A dictionary with keys 'normalize' and 'alpha' and values [True, False] and [1, 10, 100] respectively can be used to perform a grid search.
Grid search is a technique used to find the optimal hyperparameters for a machine learning model. In the case of determining if normalization should be used and testing different values of alpha, we need to provide the algorithm with a range of values for each hyperparameter. This can be done using a dictionary.
The keys in the dictionary would be 'normalize' and 'alpha', representing the hyperparameters we want to search for. The values for 'normalize' would be [True, False], representing the options for normalizing the data or not. The values for 'alpha' would be [1, 10, 100], representing the different values of alpha to test.
This dictionary can then be passed as an argument to the grid search algorithm, which will then perform a search through all possible combinations of these hyperparameters, evaluating the performance of the model for each combination and determining the optimal set of hyperparameters.
To learn more about normalization, visit:
https://brainly.com/question/23004973#
#SPJ11
find the linearization f ( x ) = √ 1 x at x = 0, and then use it to approximate √ 0 . 96 .
The approximation of √0.96 using the linearization of f(x) = √(1/x) at x = 1 is 0.6836.
To find the linearization of f(x) = √(1/x) at x = 0 use the tangent line of f(x) at x = 0. To do this, we first need to find the derivative of f(x) at x = 0, which is f'(0).
Using the power rule for derivatives, we have:
f(x) = √(1/x)
f'(x) = -1/([tex]2x^{(3/2)[/tex])
Now, we can use f'(0) to find the tangent line at x = 0. The equation for the tangent line is given by:
y = f'(0)(x - 0) + f(0)
Since f(0) is undefined (since the square root of zero is undefined), we can't use the equation above. However, we can still find the slope of the tangent line at x = 0. The slope is given by f'(0), which is:
f'(0) = -1/(2(0)[tex]^{(3/2)[/tex]) = undefined
So, we can conclude that the linearization of f(x) = √(1/x) at x = 0 is undefined.
To approximate √0.96, we can use the linearization of f(x) = √(1/x) at x = 1, since 0.96 is close to 1. The linearization of f(x) = √(1/x) at x = 1 is given by:
y = f'(1)(x - 1) + f(1)
f'(1) = -1/([tex]2(1)^{(3/2)[/tex]) = -1/√2
y = -1/√2(x - 1) + √1/1 = -1/√2x + √2
Now, we can use this linearization to approximate √0.96:
y = -1/√2 * 0.96 + √2 = 0.96 * -1/√2 + √2
y = 0.96 * -1/√2 + √2 = 0.96 * -0.7071 + 1.41
y ≈ 0.6836
So, the approximation of √0.96 using the linearization of f(x) = √(1/x) at x = 1 is 0.6836.
To learn more about linearization, visit:
brainly.com/question/26139696
#SPJ4
Miracle and Dante are working on a math project on linear pairs and vertical angles. Below they have a diagram they need to describe. Dante says that all angles across from each other are vertical angles and all adjacent angles form linear pairs. Miracle disagrees with him. Using the picture below, who do you agree with and why? Write at least 3 full sentences.
help needed ASAP…please if you can
Note that in the above scenario, the expert in Geometry of the two students is Miracle. All angles across from each other are NOT vertical angles; NOT all adjacent angles form linear pairs.
What are vertical angles?Vertical angles have two properties: 1) their sides are defined by the same lines; and 2) they share a vertex but not a side. Vertical angles are equivalent, according to the vertical angle theorem.
A vertex is a place on a polygon where the object's sides or edges meet, or where two rays or line segments intersect. Vertices is the plural of vertex.
In the original image, you can see visually that the angles formed by the lines "intersection of the lines" are not equal because they do not share the same vertex.
See the updated image to see the adjusted intersections and show how it is that the angles are now vertical. Note as well that the newly added angles x and y are also vertical and therefore congruent.
So in the new image:
1 ≅ 3
2≅ 4; and
x ≅ y
With regard to the question, if whether adjacent angles always form linear pairs, as indicated above, this statement is false. This is evidenced by ∠2 and ∠3 in the original image which are adjacent but non-linear.
Learn more about Linear Pairs:
https://brainly.com/question/17525542
#SPJ1
The motel room is $102. 00 per day. The room tax is 18%.
How much will it cost to stay 3 days?
The room tax is 18%. Total cost fo the motel room to stay 3 days including the tax is $361.08.
A percent represents a fraction of a hundred.
For example:
60% = 60/100
Percent is usually used to denote a portion of a whole. For example, 20% of 30, means:
20% x 30 = 20/100 x 30 = 6
In this problem:
The motel room costs $102.00 per day.
The cost for 3 days before tax is:
Cost = 3 x $102 = $306
The tax rate is 8%, it means the amount of tax is:
tax = 18% x $306 = $55.08
Total cost after tax = $306 + $55.08 = $361.08
Learn more about tax here:
https://brainly.com/question/25844719
#SPJ4
Please help fast I need some help
Answer:
NO
Step-by-step explanation:
In the pythagorean theorem,
[tex]{a}^{2} + {b}^{2} = {c}^{2} [/tex]
So it should be
[tex] {10}^{2} + {24}^{2} = {28}^{2} [/tex]
But,
[tex]100 + 576 = 676 \: and \: {28}^{2} = 784[/tex]
Which graph shows the solution to the system of linear equations? y = 4x y = x − 1 a coordinate grid with one line that passes through the points 0 comma 0 and 1 comma 2 and another line that passes through the points 0 comma negative 2 and 1 comma negative 1 a coordinate grid with one line that passes through the points 0 comma 2 and 1 comma 3 and another line that passes through the points 0 comma 0 and 1 comma 2 a coordinate grid with one line that passes through the points 0 comma 0 and 1 comma 4 and another line that passes through the points 0 comma 3 and negative 1 comma negative 1 a coordinate grid with one line that passes through the points 0 comma 0 and 1 comma 4 and another line that passes through the points 0 comma negative 1 and 2 comma 1
The solution to the system of equations is x = -( 1/3 ) and y = -( 4/3 )
What is an Equation?Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.
It demonstrates the equality of the relationship between the expressions printed on the left and right sides.
Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.
Given data ,
Let the system of equations be A and B
Now , the first equation is
y = 4x be equation (1)
And , the second equation is
y = x - 1 be equation (2)
Substituting the value of y in equation (1) , we get
4x = x - 1
Subtracting x on both sides of the equation , we get
3x = -1
Divide by 3 on both sides of the equation , we get
x = -1/3
Substituting the value of x in equation (1) , we get
y = -4/3
Hence , the equations are solved
To learn more about equations click :
https://brainly.com/question/19297665
#SPJ1
Chess top uses the periodic inventory system. For the current month, the beginning inventory consisted of 200 units that cost p65 each. During the month, the company made two purchases: 300 units at p68 each and 150 units at p70 each. Chess top also sold 500 units during the month. Using the average cost method, what is the amount of ending inventory?.
The ending inventory amount is p68,000: (200 x 65) + (300 x 68) + (150 x 70) - (500 x 68) = 68,000.
1. Calculate the total cost of the beginning inventory: 200 units x p65 = p13,000
2. Calculate the total cost of the first purchase: 300 units x p68 = p20,400
3. Calculate the total cost of the second purchase: 150 units x p70 = p10,500
4. Calculate the total cost of the units sold: 500 units x p68 = p34,000
5. Calculate the total cost of the ending inventory amount : (13,000 + 20,400 + 10,500) - 34,000 = p68,000
Learn more about amount here
https://brainly.com/question/8082054
#SPJ4
What is the form of the Sum of Cubes identity?
A. a³ + b³ = (a−b) (a² - ab + b²)
B. a³b³ = (a + b) (a² + ab + b²)
O c. a³ + b³ = (a−b) (a² + ab + b²)
OD. a³ b³ = (a - b) (a² + ab + b²)
Answer:
a³ + b³ = (a+b) (a² - ab + b²)
Step-by-step explanation:
(a+b) (a² - ab + b²) =
(a+b)*a² - (a+b)*ab + (a+b)*b² =
(a³+ba²) - (a²b+ab²) + (ab²+b³) =
a³ + ba² - a²b - ab² + ab² + b³ =
a³ + ba² - a²b - ab² + ab² + b³ =
a³ + 0 - 0 + b³ = a³ + b³
what is the maximum possible area of an isosceles triangle if the two equal sides are each 15 cm long?
The entire space or area occupied by an isosceles triangle's sides in a two-dimensional space is known as the triangle's area. Thus the area will be "112.5 cm²".
what is the maximum possible area of an isosceles triangle if the two equal sides are each 15 cm long?
The area is a function of the apex angle β according to
Area = (1/2)(2 cm)²×sin(β)
This will be a maximum for β = 90°. The corresponding length of the third side is 2√2 cm ≈ 2.2828 cm.
The entire space or area occupied by an isosceles triangle's sides in a two-dimensional space is known as the triangle's area. A triangle with two equal sides, which also means two equal angles, is referred to as an isosceles triangle. The following characteristics of an isosceles triangle set it apart from other kinds of triangles: The vertex angle, also known as the apex angle, is the angle formed by the two equal sides of an isosceles triangle. The base is the side that the vertex angle faces, and the base angles are equal.
The vertex angle and the base are both divided in half by the perpendicular from the vertex angle.
To learn more about area of isosceles triangle refers to;
https://brainly.com/question/13664166
#SPJ4
evaluate the double integral. d (7x 6y) da, d is bounded by y = x and y = x2
The double integral of the given equation is -0.983
What is meant by integral?
In mathematics, an integral lends numerical values to functions to represent concepts like volume, area, and displacement that result from combining infinitesimally small amounts of data. Integration is the action of locating integrals.
The integrals of a function in two variables over a region in R², or the real number plane, are referred to as double integrals in mathematics.
The surface area of a 2D figure can be determined primarily using the double integral, which is indicated by the symbol "∫∫". By using double integration, we may quickly determine the area of a rectangular region. Double integration challenges will be easier to address if we are familiar with simple integration.
We have to find the double integral of ∫∫(7x + 6y) dA over region D.
D is bounded by y = x and y = x²
From the graph below, we can see the region is bounded between x = 0 and 1
So the equation becomes
[tex]\int\limits^1_0\int\limits^{x}_{x^2} (7x+6y)dydx[/tex]
The lower limit of y is x² because the lower part of the region is x² and the upper part is x.
Evaluating,
[tex]\int\limits^1_0\int\limits^{x}_{x^2} (7x+6y)dydx = \int\limits^1_0[7xy+6y^2/2]^x_x^2dx= \int\limits^1_0[(7x^3+6x^4/2) - ( 7x^2+6x^2/2]dx[/tex]
= [tex]\int\limits^1_0[(7x^3+6x^4/2) -10x^2]dx[/tex]
=[tex][(7x^4/4+6x^5/10 -10x^3/3]^1_0 = 7/4 + 6/10-10/3 =[/tex]
= -0.983
Therefore the double integral of the given equation is -0.983.
To learn more about integrals, follow the link.
https://brainly.com/question/19053586
#SPJ4
two points in a rectangular coordinate system have the coordinates (1.8, 3.0) and (4.5, -1.7), where the units are in meters. what is the distance between these two points?
The distance between the two points is 5.4 meters.
What is coordinate ?
A coordinate system is a system that uses one or more numbers, or coordinates, to uniquely determine the position of the points or other geometric elements on a manifold such as Euclidean space.
The distance between two points in a rectangular coordinate system can be calculated using the Pythagorean theorem, which states that the distance between two points is the square root of the sum of the squares of the differences of the x-coordinates and the y-coordinates.
Given the two points (1.8, 3.0) and (4.5, -1.7), the distance can be calculated as follows:
d = √((4.5 - 1.8)^2 + (-1.7 - 3.0)^2) = √(2.7^2 + 4.7^2) = √(7.29 + 22.09) = √29.38 = 5.4
So, the distance between the two points is 5.4 meters.
To learn more about coordinate visit : brainly.com/question/16634867
#SPJ4
The distance between the two points is 5.4 meters.
A coordinate system is a system that uses one or more numbers, or coordinates, to uniquely determine the position of the points or other geometric elements on a manifold such as Euclidean space.
The distance between two points in a rectangular coordinate system can be calculated using the Pythagorean theorem, which states that the distance between two points is the square root of the sum of the squares of the differences of the x-coordinates and the y-coordinates.
Given the two points (1.8, 3.0) and (4.5, -1.7), the distance can be calculated as follows:
d = √((4.5 - 1.8)^2 + (-1.7 - 3.0)^2) = √(2.7^2 + 4.7^2) = √(7.29 + 22.09) = √29.38 = 5.4
So, the distance between the two points is 5.4 meters.
To learn more about coordinate
brainly.com/question/16634867
#SPJ4
When the measure of ∠4 is 120∘, the measure of ∠1 is 60∘. Please answer in " always true, sometimes true, or never true
Always true. The sum of the measures of the interior angles of any triangle is 180 degrees, so when one angle is 120 degrees, the remaining two angles must add to 60 degrees.
The sum of the measures of the interior angles of any triangle is 180 degrees. This is because the angles of a triangle add up to form a straight line, which is 180 degrees. Therefore, if one angle has a measure of 120 degrees, the remaining two angles must add up to the remaining 60 degrees to make 180 degrees in total. This means that the measure of angle 1 must be 60 degrees. Therefore, it is always true that when the measure of angle 4 is 120 degrees, the measure of angle 1 is 60 degrees. This is because the total sum of the interior angles of a triangle must add up to 180 degrees, so the other two angles must add up to the remaining 60 degrees.
Learn more about angle here
https://brainly.com/question/29588072
#SPJ4
find the radius r of the circle if an arc of length 16 m on the circle subtends a central angle of 4/7 rad.
Answer:
28 m
Step-by-step explanation:
r = l/a
= 16/4/7
= 16*7/4
= 28
The formula r = (arc length / central angle) is used to calculate the radius of a circle. Consequently, r = (16/4/7) = 4.57 m
1. Multiply the central angle (4/7 rad) by the arc length (16 m).
2. Determine the outcome to determine the circle's radius (r): 16 / 4/7 = 4.57 m
The equation r = (arc length / central angle) can be used to calculate the radius of a circle. With the help of this formula, we can determine the radius of a circle given the length of an arc and its central angle. In this instance, the centre angle is 4/7 rad, and the arc length is 16 m. Divide the arc length by the central angle to get the radius: 16 / 4/7 = 4.57 m. The circle's radius is 4.57 m as a result.
Finding other circle measures is made easier by knowing the radius of the circle. For instance, using the formula circumference = 2r, we can determine the circumference of a circle if we know its radius. Any circle's circumference can be determined using this formula given its radius. The circumference in this instance would be 2 x 4.57 m, or 28.7 m. Furthermore, we may utilise the radius to get the circle's area by applying the formula area = r2. Any circle's area can be determined using this formula given its radius. The area in this instance would be x 4.572 = 66.3 m2.
Learn more about radius here
https://brainly.com/question/15047456
#SPJ4
A group of 202 people went on an overnight camping trip, taking 60 tents with them. Some of the tents held 2 people each, x, and the rest held 4 people each, y. All the tents were filled to capacity and every person got to sleep in a tent. How many of each type of tent were taken on the camping trip?
The total number of two-person tents taken on the camping trip was 0, and the total number of four-person tents taken on the camping trip was 50.
The total number of tents taken on the camping trip was 60, and the total number of people was 202. We want to determine how many of each type of tent were taken. Let x represent the number of two-person tents and y represent the number of four-person tents. We can use the following equation to solve for x and y:
2x + 4y = 202
After rearranging the equation to solve for x, we get x = (202 - 4y)/2. Substituting this into the equation, we get 2((202 - 4y)/2) + 4y = 202. Simplifying, we get (202 - 4y) + 4y = 202. Then, 0 + 4y = 202. Dividing both sides by 4, we get y = 50.5. Plugging this value into the equation x = (202 - 4y)/2, we get x = (202 - 202)/2, which simplifies to x = 0.
Therefore, the total number of two-person tents taken on the camping trip was 0, and the total number of four-person tents taken on the camping trip was 50.
Learn more about camping trip here:
https://brainly.com/question/20861986
#SPJ4
Solve for x. 7) G x + 13 21 F x + 10 E
The solution for x to the expression x + 13 = 21(x + 10) is given as follows:
x = -9.85.
How to solve the expression?The expression for this problem is defined as follows:
x + 13 = 21(x + 10)
Before solving for x, we must apply the distributive property at the left side of the expression, hence:
x + 13 = 21x + 210
Now we must isolate the variable x, with every term with x on the left side of the expression and every term without x on the right side, hence:
x - 21x = 210 - 13
-20x = 197
20x = -197
Then the solution is obtained applying the division, which is the inverse operation of the multiplication, hence:
x = -197/20
x = -9.85.
More can be learned about solution of expressions at https://brainly.com/question/723406
#SPJ1
Find the x- and y-intercepts of the graph of -2x + y =7
State each answer as an integer or an improper fraction in simplest form.
The x-intercept is x = -7/2
The y-intercept is when y = 7.
What are coordinates in a graph?The coordinates in a graph indicate the location of a point with respect to the x-axis and y-axis.
The coordinates in a graph show the relationship between the information plotted on the given x-axis and y-axis.
We have,
The equation of the graph is -2x + y = 7.
Now,
The x-intercept is when y = 0.
The y-intercept is when x = 0.
So,
-2x + y = 7
Substitute x = 0 and y = 0.
-2 x 0 + y = 7
y = 7
And,
-2x + 0 = 7
-2x = 7
x = -7/2
Thus,
x = -7/2 is the x-intercept.
y = 7 is the y-intercept.
Learn more about coordinates here:
https://brainly.com/question/13118993
#SPJ1
Answer each question about the following arithmetic series: what are the terms of the series? a1 = a2 = a3 = a4 =.
The terms of the following arithmetic series are thus:
1)a₁=6
2)a₂=15
3)a₃=24
4)a₄=33
The following math series is given:
[tex]S_4=[/tex][tex]^4_k_=_1(-3+9k)[/tex]
A list of integers is considered an arithmetic series if there is a consistent difference between any two terms that follow one another in the series.
The total of the terms in an arithmetic sequence with a set number of terms is known as an arithmetic series. Here is a straightforward formula for calculating the sum: in Formula 1 If S denotes the sum of a term-filled arithmetic sequence, then The first and last term values, as well as the total number of terms, are necessary for this formula.
Put k=1 in the given series for a1:
So,
[tex]a_1=-3+9*1\\a_1=6[/tex]
Similarly,
[tex]a_2=-3+9*2\\a_2=15\\a_3=-3+9*3\\a_3=24\\a_4=-3+9*4\\a_4=33[/tex]
The terms of the following arithmetic series are thus:
1)a₁=6
2)a₂=15
3)a₃=24
4)a₄=33
To learn more about arithmetic series, refer:-
https://brainly.com/question/16415816
#SPJ4
Use the point slope formula to find the linear equation with a slope of 1/3 and a point of (12, 5).
This is the equation of the line with a slope of 1/3 and a point of (12, 5).
What do you mean by slope?The slope of a line is a measure of its steepness and direction. It is defined as the ratio of the vertical change (rise) to the horizontal change (run) between two points on the line. The slope can be positive (the line rises from left to right), negative (the line falls from left to right), or zero (the line is horizontal).
The point-slope formula for a line is given by:
y - y1 = m(x - x1)
where m is the slope of the line, (x1, y1) is a point on the line, and (x, y) is any other point on the line.
In this case, the slope is 1/3 and the point is (12, 5). Substituting these values into the formula:
y - 5 = 1/3(x - 12)
Expanding the right-hand side:
y - 5 = 1/3x - 4
Adding 5 to both sides:
y = 1/3x - 4 + 5
Simplifying:
y = 1/3x + 1
To know more about equation visit:
https://brainly.com/question/29174899
#SPJ1
Help me with this and i will mark
Answer:
28.5
Brainly is probably going to take this down because of the picture but here you go anyway
Step-by-step explanation:
You're welcome.
A harried chef can't keep up with his breakfast orders and decides to automate the process with a "butter gun." The gun provides a 10 gram burst of butter spray with each hit of the trigger. He starts with a rack that holds one piece of toast 1 meter away. The demand again exceeds supply and he realizes he can use the same gun to produce more toast by placing a larger rack at a greater distance. He finds that a four-slice rack works at a distance of 2 meters. Pleased with profits he carries the idea a step further and puts a holder 3 meters away, maintaining a 10 gram spray. See figure below.a) If 1 spray entirely covers the area of a single slice at 1 meter, can it entirely cover the area of 4 slices at 2 meters? Why or why not?b) How many slices can one spray cover with a 3 meter arragnement?c) How do these changes affect the amount of butter on each piece of toastd) Our up-and-coming chef moves the fun back to 5 meters. Predict how much toast he can spray and how much better each piece gets.e) Explain how he could duplicate the original single-slice toast at 5 meters from the gun.
a) No, a single spray of 10 grams of butter would not be enough to entirely cover the area of 4 slices of toast at 2 meters. The area of 4 slices of toast is larger than the area of 1 slice of toast, meaning that it would require more butter than 10 grams to cover the entire area.
b) A single spray of 10 grams of butter would be enough to cover the area of 8 slices of toast at 3 meters.
c) These changes would affect the amount of butter on each piece of toast in that there would be more butter on each piece with a larger rack and further distance from the "butter gun".
d) At 5 meters from the gun, our up-and-coming chef would be able to spray 16 slices of toast with a single burst of 10 grams of butter. Each piece of toast would also have more butter than it would if it was sprayed at a closer distance.
e) To duplicate the original single-slice toast at 5 meters from the gun, the chef would need to reduce the amount of butter being sprayed. He could do this by simply reducing the distance between the gun and the toast rack.
To know more about area click on the link below:
https://brainly.com/question/27444262#
#SPJ11
Complete question :
A harried chef can't keep up with his breakfast orders and decides to automate the process with a "butter gun." The gun provides a 10 gram burst of butter spray with each hit of the trigger. He starts with a rack that holds one piece of toast 1 meter away. The demand again exceeds supply and he realizes he can use the same gun to produce more toast by placing a larger rack at a greater distance. He finds that a four-slice rack works at a distance of 2 meters. Pleased with profits he carries the idea a step further and puts a holder 3 meters away, maintaining a 10 gram spray. See figure below.a) If 1 spray entirely covers the area of a single slice at 1 meter, can it entirely cover the area of 4 slices at 2 meters? Why or why not?b) How many slices can one spray cover with a 3 meter arragnement?c) How do these changes affect the amount of butter on each piece of toastd) Our up-and-coming chef moves the fun back to 5 meters. Predict how much toast he can spray and how much better each piece gets.e) Explain how he could duplicate the original single-slice toast at 5 meters from the gun.
find the value of xyz
The values of x, y and z are 33 degrees, 35 degrees and 109 degrees
How to determine the value of x, y and zFrom the question, we have the following parametes that can be used in our computation:
The parallelogram
By the alternate interior angle theorem, we have
x = 33 degrees
Also, we have
z = 109 degrees
The sum of angles in a triangle is 180
So, we have
33 + y + 109 = 180
Evaluate
y = 38 degrees
Read more about parallelogram at
https://brainly.com/question/970600
#SPJ1
standard errors assume that the covariance matrix of the errors is correctly specified
It is important to ensure that the covariance matrix of the errors is correctly specified in order to obtain valid results and make accurate inferences about the coefficients of the independent variables in a regression model.
Standard errors are a measure of the variability of the estimated parameters in a regression model. They are used to test the hypothesis that the coefficients of the independent variables are significantly different from zero, and to construct confidence intervals for the coefficients.
The standard errors of the coefficients in a regression model are based on the assumption that the covariance matrix of the errors (also known as the residuals) is correctly specified. This assumption is crucial for the validity of the standard errors, as it determines the accuracy of the estimates of the coefficients.
The covariance matrix of the errors is a crucial component in the calculation of the standard errors. It represents the variance-covariance structure of the residuals and is used to estimate the precision of the coefficients. If the covariance matrix of the errors is correctly specified, the standard errors will accurately reflect the variability of the coefficients and provide valid results.
However, if the covariance matrix of the errors is not correctly specified, the standard errors will be biased and the hypothesis tests and confidence intervals will not be valid. In such cases, the standard errors will either be too large or too small, leading to incorrect results.
Therefore, it is important to ensure that the covariance matrix of the errors is correctly specified in order to obtain valid results and make accurate inferences about the coefficients of the independent variables in a regression model.
To learn more about covariance matrix,
Visit; brainly.com/question/28537650
#SPJ4
Approximate 14 plus the square root of 81 to the third power to the nearest 10
The value of the given expression is 12167.
What is the exponent?Exponent is defined as the method of expressing large numbers in terms of powers. That means, exponent refers to how many times a number multiplied by itself.
The given expression is (14+√81)³.
= (14+9)³
= (23)³
= 12167
Therefore, the value of the given expression is 12167.
To learn more about an exponents visit:
https://brainly.com/question/15993626.
#SPJ1
determine the probability that a random sample of adults results in a mean time watching television on a weekday of between 2 and 3 hours.
Calculating the probability of a mean time watching television falling between 2 and 3 hours requires knowledge of the population's distribution of time spent watching television.
The probability that a random sample of adults will result in a mean time watching television on a weekday of between 2 and 3 hours can be determined by using the standard normal distribution. This requires knowledge of the population's mean and standard deviation for time spent watching television. If these values are not known, they can be estimated using a sample from the population. The calculated probability assumes that the population's distribution of time spent watching television is normal. If this assumption is not met, alternative methods may be used to estimate the probability.
Learn more about mean :
https://brainly.com/question/17060266
#SPJ4
HURRY UP ALREADY SERIOUSLY
The area of the Circular pool will be 1256 square feet.
What is Area?The area is the entire amount of space occupied by a flat (2-D) surface or an object's form. On a sheet of paper, draw a square using a pencil. It has two dimensions. The area of a form on paper is the area that it occupies.
Given, A pool that is surrounded by the Square shaped Deck.
Let " 20 feet" be the radius of the pool. that makes the side of the deck will be 20 + 20 = 40 feet
From the formula of the area of a circle:
Area of circle= pi * radius^2
In our case,
Area of the pool = 3.14 * 20 * 20
Area of the pool = 1256 Feet square
Area of the square made by deck = Side * side
Area of the square made by deck = 40 * 40 = 1600
Area of deck = area of Square - the area of the circle
Area of deck = 1600 - 1256
Area of deck = 344 Square feet
therefore, The area of the Circular pool will be 1256 square feet.
Learn more about Area here:
https://brainly.com/question/27683633
#SPJ1
statistics is the study of statistics is the science of conducting studies to collect, , , analyze, and draw conclusions from data.
statistics is the study of statistics is the science of conducting studies to collect, , , analyze, and draw conclusions from data. It involves using mathematical concepts such as probability and regression analysis to analyze data and make predictions.
Statistical methods are used in a wide variety of fields, including economics, medicine, engineering, and social sciences. Statisticians use data to make decisions, test hypotheses, and evaluate the effectiveness of policies and programs. Statistical techniques are also widely used in business, finance, and marketing to help make decisions and understand customer behavior.
1. Statistics is the science of collecting, organizing, analyzing, and interpreting data to draw conclusions.
2. Statisticians use mathematical concepts such as probability and regression analysis to analyze data and make predictions.
3. Statistical methods are used in a variety of fields, including economics, medicine, engineering, and social sciences.
4. Statistical techniques are used in business, finance, and marketing to understand customer behavior and make decisions.
5. Statisticians use data to test hypotheses, evaluate the effectiveness of policies and programs, and make decisions.
Statistics is a science that uses mathematical concepts such as probability and regression analysis to analyze data and make predictions. It is used in a variety of fields, including economics, medicine, engineering, and social sciences, as well as in business, finance, and marketing to understand customer behavior and make decisions. Statistical methods are used to test hypotheses, evaluate the effectiveness of policies and programs, and make decisions.
Learn more about probability here
https://brainly.com/question/11234923
#SPJ4
(3*10) + (4*1) + (5+1/10) + (5*1/100) + (6*1/1000) as a decimal number
Answer:
39.2
Step-by-step explanation:
Quadrilateral ABCD has the vertices B (2, 5) and D (0,-3). If ABCD is a square, what are the coordinates of the other two vertices?
O (5, 5) and (-3, 2)
O (5,0) and (3, 2)
O (5, 0) and (-3, 2)
O (-5, 0) and (-3,-2)
The quadrilateral ABCD has the vertices B (2, 5) and D (0,-3). If ABCD is a square, the coordinates of the other two vertices are (5, 0) and (-3, 2). So option C is correct
What is distance?Distance is a numerical measurement of how far apart two or more points are in space, typically in one, two, or three dimensions. It is used to describe the separation between objects, locations, or events.
Given that,
The quadrilateral ABCD,
whose two opposite vertices B (2, 5) and D (0,-3)
other two vertices = ?
This problem can be solved by hit and trial method,
It is known that,
all the sides of square has equal length,
lets take,
A = (5, 0)
C = (-3, 2)
Now, by calculating the length of each side, we can check
Distance between A & B
AB = √[(-3-0)²+(2+3)]
= √34
BC = √34
CD = √34
DA = √34
Hence, A & B are respectively, (5, 0) and (-3, 2)
To know more about distance check:
brainly.com/question/15172156
#SPJ1
Let y be a number between 0 and 1 produced by a random number generator. Assuming that the random variable y has a uniform distribution, find the following probabilities:.
For a uniform distribution, the probability of any given value is the same across the entire range of the distribution. Therefore, for the given random variable Y, the probability of Y being less than or equal to 0.4 (P(Y <= 0.4)) is 0.4. The probability of Y being less than 0.4 (P(Y < 0.4)) is also 0.4.
For the third probability, P(0.1 < Y <= 0.15 or 0.77 ≤ Y < 0.88), the probability is the sum of the probabilities of the two ranges. The probability of Y being between 0.1 and 0.15 is 0.05, and the probability of Y being between 0.77 and 0.88 is 0.11. Therefore, the total probability is 0.05 + 0.11 = 0.16.
In conclusion, the probabilities of the given random variable Y are P(Y <= 0.4) = 0.4, P(Y < 0.4) = 0.4, and P(0.1 < Y <= 0.15 or 0.77 ≤ Y < 0.88) = 0.16.
To learn more about uniform distribution:
https://brainly.com/question/22209943
#SPJ4
Write a system of four equations whose solution gives estimates
for the temperatures T1; : : : ; T4.
a system of four equations whose solution gives estimates for the temperatures T1; : : : ; T4:
T1 = 1/4(10 + 20 + T2 + T4)
T2 = 1/4(T1 + 20 + 40 + T3)
T3 = 1/4(T1 + T2 + 40 + 30)
T4 = 1/4(10 + T1 + T3 + 30). This is system of equations.
What is system of equation?Algebra requires the simultaneous solution of two or more equations. There must be an equal number of equations and unknowns for a system to have a singular solution. The several kinds of linear equation systems are as follows:
Dependent: There are an endless number of solutions for the system. The equations' graphs show the identical lines.Independent: There is just one possible outcome for the system. The graphs of the equations come together at this one location.Inconsistent: There is no solution for the system.Given that,
T1 = 1/4(10 + 20 + T2 + T4)
or, 4T1 - T2 - T4 = 30
similarly for 2nd, 3rd, and 4th nodes we have:
T2 = 1/4(T1 + 20 + 40 + T3)
or -T1 + 4T2 - T3 = 60
T3 = 1/4(T1 + T2 + 40 + 30)
or -T2 + 4T3 - T4 = 70
T4 = 1/4(10 + T1 + T3 + 30)
or -T1 - T3 + 4T4 = 40
To know more about system of equations refer to:
https://brainly.com/question/13729904
#SPJ4
FILL IN THE BLANK. the branch of statistics that draws conclusions about a large set of data based on a smaller set of data is often referred to as ______ statistics.
The branch of statistics that draws conclusions about a large set of data based on a smaller set of data is often referred to as sampling statistics.
Sampling statistics involve taking a small subset of data from a larger population, and then making inferences about the population based on the sample. For example, if you wanted to determine the average height of people in a given population, you could take a sample of a few hundred people and calculate the average height of the sample. Then, you could use that information to make inferences about the average height of the entire population. The formula for calculating the sample mean, which is the average of the sample, is: X = Σx/n, where x is the sample data, Σx is the sum of the sample data, and n is the sample size. For example, if a sample of five people had heights of 165, 192, 186, 154, and 176 cm, then the sample mean would be (165+192+186+154+176)/5 = 175 cm.
Learn more about Sampling statistics here:
https://brainly.com/question/29490427
#SPJ4