The next term in the given pattern is 36.
What is pattern of numbers?A recurring arrangement of numbers, forms, colours, and other elements constitutes a pattern in mathematics. The Pattern can be connected to any kind of occasion or thing. When a group of numbers are arranged in a particular way, the arrangement is referred to as a pattern. Patterns can also occasionally be referred to as a series.
The number of squares in the given pattern is as follows is 9, 16, 25,....
So, the pattern is 3², 4², 5², 6², 7², 8²,.....
9, 16, 25, 36, 49, 64,....
Hence, the next term in the given pattern is 36.
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Suppose 50% of recent college graduate plan on pursuing a graduate degree. 14 recent college graduates are randomly selected
The probability that not more than 5 graduates plan to pursue a graduate degree is 0.0191.
Given Information
Percentage of college graduates that plan on pursuing a graduate degree=50%
Number of graduates selected=14
Let us consider the event that a college graduate plans on pursuing a graduate degree as a success.
The probability of getting success is p = 0.50
Let X denotes the event of success.
We have, n = 14.
Then,
X∼Bin(14,0.50).
The pmf of X is given as,
[tex]P(X)= ^nC_xP^x(1-P)^n^-^x\\\\P(X)= ^1^4C_x(0.50)^x(0.50)^1^4^-^x[/tex]
The probability that not more than 5 graduates plan to pursue a graduate degree can be computed as,
P(X≤5)=5∑¹⁴Cₓ(0.50)x(0.50)¹⁴⁻ˣ
=0+0.00001+0.00012+0.00081+0.00396+0.01425
P(X≤5)=0.01914
Hence, the probability that not more than 5 graduates plan to pursue a graduate degree is 0.0191.
The probability that exactly 7 of the college graduates plan to pursue a graduate degree can be computed as,
P(X=7)=¹⁴C₇(0.5)⁷(0.5)⁹
P(X=7)=0.08395
Therefore, the probability that exactly 7 of the college graduates plan to pursue a graduate degree is 0.0840.
The probability that at least 9 but not more than 14 of the college graduates plan to pursue a graduate degree can be computed as,
P(9≤X≤14)=14∑x=9 ¹⁴Cₓ(0.50)x(0.50)¹⁴⁻ˣ
P(9≤X≤14)=0.18889+0.19833+0.16227+0.10142+0.04681+0.01505
P(9≤X≤14)=0.71277
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when is 9^3n - 5^3n divisivle by 2^n
9³ⁿ - 5³ⁿ will not be divisible by 2ⁿ for any positive integer value of n.
The expression 9³ⁿ - 5³ⁿ is divisible by 2ⁿ if and only if 9³ⁿ and 5³ⁿ have the same number of factors of 2. In order to check this, we can write 9³ and 5³ as powers of 2:
9³ = 729 = 9² × 9 = (3²)² × 3² = (2² × 3)² × 3²
5³ = 125 = 5² × 5 = (5²)²
Since 9³ has three more factors of 2 than 5³, 9³ⁿ - 5³ⁿ will not be divisible by 2ⁿ for any positive integer value of n.
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Divide the sum of `(-12)/(5) and (-18)/(15)` by their difference.
Dividing the sum of `(-12)/(5) and (-18)/(15)` by their difference. The answer is 3.
How did we get the value?To divide the sum of two numbers by their difference, we first need to find the sum and the difference of the two numbers.
The sum of (-12)/(5) and (-18)/(15) is:
(-12)/(5) + (-18)/(15) = (-12)/(5) + (-6)/(5) = -18/5
The difference of (-12)/(5) and (-18)/(15) is:
(-12)/(5) - (-18)/(15) = (-12)/(5) - (-6)/(5) = -6/5
Finally, dividing the sum by the difference, we get:
(-18/5) / (-6/5) = -18/-6 = 3
So, the answer is 3.
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Is u in the plane in R3 spanned by the columns of A? I was able to reduce the matrix and see that there is a solution and it is consistent. However my last row doesn't have a pivot and is 000=0, how can the answer be yes if each row doesn't have a pivot and doesnt follow theroem 4?
Yes, the solution to the system of linear equations represented by the matrix A lies in the plane spanned by the columns of A.
If the last row of the reduced matrix is [0, 0, 0, 0], it means that the system of linear equations represented by the matrix is consistent, but not necessarily unique. This is because the last row corresponds to an equation of the form 0 = 0, which is always true.
However, the presence of a non-zero row in the reduced matrix that corresponds to a non-trivial equation (i.e., an equation that is not of the form 0 = 0) is sufficient to guarantee that the solution exists and is unique, and that the solution lies in the plane spanned by the columns of A.
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three groups of participants are asked to read a short story and then take a multiple-choice test on the content of the story. one group is given 10 minutes to read the story, a second is given 15 minutes, and a third 20 minutes. the independent variable in this study is
Independent variable t is time given to read story, dependent variable y is test scores, relationship modeled as y = f(t).
What is variable ?
variable, In algebra, a symbol (usually a letter) standing in for an unknown numerical value in an equation. Commonly used variables include x and y (real-number unknowns), z (complex-number unknowns), t (time), r (radius), and s (arc length).
Let's denote the amount of time given to read the story as t. The independent variable t has three levels: t = 10 minutes, t = 15 minutes, and t = 20 minutes.
The dependent variable y is the test scores on the content of the story. The purpose of the study is to determine the relationship between the independent variable t and the dependent variable y.
The problem can be mathematically represented as:
y = f(t)
where f is a function that represents the relationship between the independent variable t and the dependent variable y.
Independent variable t is time given to read story, dependent variable y is test scores, relationship modeled as y = f(t).
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Independent variable t is time given to read story, dependent variable y is test scores, relationship modeled as y = f(t).
variable, In algebra, a symbol (usually a letter) standing in for an unknown numerical value in an equation. Commonly used variables include x and y (real-number unknowns), z (complex-number unknowns), t (time), r (radius), and s (arc length).
Let's denote the amount of time given to read the story as t. The independent variable t has three levels: t = 10 minutes, t = 15 minutes, and t = 20 minutes.
The dependent variable y is the test scores on the content of the story. The purpose of the study is to determine the relationship between the independent variable t and the dependent variable y.
The problem can be mathematically represented as:
y = f(t)
where f is a function that represents the relationship between the independent variable t and the dependent variable y.
Independent variable t is time given to read story, dependent variable y is test scores, relationship modeled as y = f(t).
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Explain with an example what an even number is
The explanation of an even number is mentioned below
What is an Even number?A number that is a multiple of two is said to be "even." Any integer that can be divided in half by two is considered to be an even number.
Explanation:
An illustration will enable you to understand this.
Let's say John has six balls.
He can couple up all 6 balls and create 3 pairs if he attempts to organize them.
There are no unpaired balls remaining.
He can thus deduce that 6 is an even number.
Let's split 6 by 2 now.
The number of pairs that are created, 3, is the quotient that we arrive at. The number of balls that cannot be matched is equal to the remainder, which comes out to be 0.
Every time John attempts to pair
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Question: Which function is best represented by this graph?
Responses:
f(x)=x2+2x−1,
f(x)=x2−2x−1,
f(x)=x2+2x,
f(x)=x2−2x
The function is best represented by f (x) = x² + 2x.
option C is the correct answer.
What is the value of x in the given function?The values of x in the given function can be determined as follows;
From one of the solution of x = - 2 and the second solution = 0
Now, we already know that the function has no y intercept, so we will eliminate option A, and B because they have values for y intercept.
Since one of the solutions of x, is negative 2, we will consider a function with positive equation.
f (x) = x² + 2x
solve for x;
x ( x + 2 ) = 0
x = 0 or x + 2 = 0
x = 0 or - 2
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let a and w . determine if w is in col(a). is w in nul(a)?
Yes, w is in col(a) since w can be written as a linear equationof the columns in a. No, w is not in nul(a) since w cannot be written as a linear combination of the columns in a with all scalar coefficients being zero.
Yes, w is in col(a) since w can be written as a linear combination of the columns in a. A linear combination of two or more vectors is a vector that can be expressed as a sum of those vectors, with each vector scaled by a scalar (or coefficient). By expressing w as a linear combination of the columns in a, we are saying that w can be expressed as a sum of those columns, with each column scaled by a scalar.
No, w is not in nul(a) since w cannot be written as a linear combination of the columns in a with all scalar coefficients being zero. In other words, w cannot be expressed as a sum of the columns in a such that all coefficients are zero. This is the definition of nul(a): a subspace in which all linear combinations of the columns in a have a coefficient of zero. Since w cannot meet this requirement, then it is not in nul(a).
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4x-37 2x + 7 pleasee helpppppppppp
The solution of the linear equation, 4·x - 37 = 2·x + 7, found using the collection of like terms, is; x = 22
What is a linear equation?A linear equation is an equation of the form, y = m·x + c, that has the highest index or power of one (1), and for which the graph of the equation is a straight line.
The expressions, 4·x - 37 and 2·x + 7 are linear expressions
Whereby the equation is 4·x - 37 = 2·x + 7, we get;
4·x - 37 = 2·x + 7
Collecting like terms, produces
4·x - 2·x = 7 + 37 = 44
2·x = 44
Dividing both sides by 2, we get;
2·x/2 = x = 44/2 = 22
x = 22
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Complete the statement comparing Manuel’s and Gretchen’s data.
Select the correct answer from each drop-down menu.
Gretchen’s data values Manuel’s data values because the are for Manuel’s data.
The correct statement about the comparison between Manuel’s and Gretchen’s data is: Gretchen’s data values are more spread out than Manuel’s data values because the mean and median and interquartile range mean and standard deviation and interquartile range are larger for Gretchen's data than for Manuel’s data.
What is Interquartile Range?The interquartile range is a measure of statistical dispersion, or the spread of the data, in descriptive statistics.
The middle 50%, fourth spread, or H-spread are further names for the IQR. It is described as the spread between the data's 75th and 25th percentiles.
Hence, from the data gotten from both Manuel and Gretchen shows differences in them.
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Triangle DHG is a scale drawing of triangle AFB. Use a ruler. Measure and label the side lengths of triangle AFB and triangle DHG. What scale factor was used to make triangle DHG?
Divide the length of the longest side of triangle AFB by the longest side of triangle DHG to find the scale factor.
Triangle AFB: A=4 cm, B=5 cm, F=7 cm
Triangle DHG: D=2.8 cm, H=3.5 cm, G=4.9 cm
Scale factor = 7/4.9 = 1.43
Step by explanation
Step 1: Draw triangle AFB on a piece of paper.
Step 2: Measure the side lengths of triangle AFB and record them.
Step 3: Draw a second triangle, DHG, on the paper.
Step 4: Measure the side lengths of triangle DHG and record them.
Step 5: Divide the length of the longest side of triangle AFB by the longest side of triangle DHG to find the scale factor.
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Six different colored dice are rolled. Of interet i the number of dice that how a one. Find the probability that all ix dice how a one
The fundamental colours of red, blue, and yellow, as well as orange, purple, and green, are most frequently present on six dice.
What is probability?The area of mathematics known as probability deals with numerical descriptions of how likely it is for an event to happen or for a claim to be true. A number between 0 and 1 is the probability of an event, where, broadly speaking, 0 denotes the event's impossibility and 1 denotes its certainty. Simply put, probability measures how probable something is to occur. We can discuss the probabilities of various outcomes, or how likely they are, whenever we are unsure of how an event will turn out. Statistics is the study of events subject to probability.Six dice most likely have the primary colours of red, blue, and yellow as well as orange, purple, and green.
Despite the possibility of black and white, unseen hues are highly improbable: the infrared and ultraviolet
Each dice has 6 possible results, numbered from 1 to 6. There are only the possible outcomes of 1, 2, 3, 4,5, or 6.
On each die, a 5 has a 1/6 chance. divided by the total number of possible outcomes, by one way to achieve a five.
The likelihood of all 6 having is 1/6^5s
About 0.00002 is equal to 5 = 1/6 x 1/6 x 1/6 x 1/6.
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Following is a statement of a theorem which can be proven using the quadratic formula. For this theorem, a, b, and c are real numbers.Theorem - If f is a quadratic function of the form f(x) = ax2 + bx + c and ac < 0,then the function f has two x-intercepts.Using only this theorem, what can be concluded about the functions given by the following formulas?(a) g(x) = -8x2 + 5x - 2(b) h(x) = (-1/3)x2 + 3x(c) k(x) = 8x2 - 5x - 7
(a) The function g(x) = -8[tex]x^2[/tex] + 5x - 2 doesn't have two x-intercepts because ac > 0.
(b) The function h(x) = (-1/3)[tex]x^2[/tex] + 3x doesn't have two x-intercepts because ac = 0.
(c) The function k(x) = 8[tex]x^2[/tex] - 5x - 7 have two x-intercepts because ac < 0.
In the theorem, a, b, and c are real numbers.
Theorem - If f is a quadratic function of the form f(x) = a[tex]x^2[/tex] + bx + c and ac < 0, then the function f has two x-intercepts.
(a) The function is g(x) = -8[tex]x^2[/tex] + 5x - 2
On comparing the equation by f(x) = a[tex]x^2[/tex] + bx + c, we get a = -8, b = 5 and c = -2.
To check the two x-intercepts, we put values in ac and compare with ac<0
ac = (-8)(-2)
ac = 16 > 0
As the value of ac is greater than 0. So we can say that it doesn't have two x-intercepts.
(b) The function is h(x) = (-1/3)[tex]x^2[/tex] + 3x
On comparing the equation by f(x) = a[tex]x^2[/tex] + bx + c, we get a = -1/3, b = 3 and c = 0.
To check the two x-intercepts, we put values in ac and compare with ac<0
ac = (-1/3)(0)
ac = 0 = 0
As the value of ac is equal to 0. So we can say that it doesn't have two x-intercepts.
(c) The function is k(x) = 8[tex]x^2[/tex] - 5x - 7
On comparing the equation by f(x) = a[tex]x^2[/tex] + bx + c, we get a = 8, b = -5 and c = -7.
To check the two x-intercepts, we put values in ac and compare with ac<0
ac = 8(-7)
ac = -56
ac < 0
As the value of ac is less than 0. So we can say that it have two x-intercepts.
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5/8-5/12x2 3/4+2/3
Pls answer ASAP
The numeric value of the expression 5/8 - 5/12 x 3/4 + 2/3 is given as follows:
47/48.
How to obtain the numeric value of the expression?The expression for this problem is defined as follows:
5/8 - 5/12 x 3/4 + 2/3
The multiplication operation has a higher precedence over the addition/subtraction operation, hence it must be solved first.
5/12 x 3/4 = 15/48.
Then the expression is given as follows:
5/8 - 15/48 + 2/3.
Using a common denominator, we have that:
5/8 - 15/48 + 2/3 = 30/48 - 15/48 + 32/48.
Adding the numerators, the result of the expression is given as follows:
(30 - 15 + 32)/48 = 47/48.
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If f(x) = x5 + x3 + x, find f−1(3) and f(f−1(2)).
For f(x) = x5 + x3 + x, the value of f1(3) is 1. Because of the inverse function feature, the value of f(f1(2)) is 2.
What is function?A function is an equation with just one solution for y for every x. A function produces exactly one output for each input of a certain type. Instead of y, it is usual to call a function f(x) or g(x). f(2) indicates that we should discover our function's value when x equals 2. A function is an equation that depicts the connection between an input x and an output y, with precisely one output for each input. Another name for input is domain, while another one for output is range.
Here,
f(x)=x^5 + x^3 + x
f(1)=3
f^-1(3)=1
f[f −1 (x)]=f −1 [f(x)]=x
f(f^(-1)2)=2
The value of f−1(3) is 1 for f(x) = x^5 + x^3 + x. The value of f(f−1(2)) is 2 by property of inverse function.
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What is (56z+5)+(−13z−4) ? Explain how you found your answer. Include in your explanation any properties that you used to simplify the expression
The simplified form after simplifying we get 43z+1
What is an Algebraic Expression?An algebraic expression in mathematics is an expression which is made up of variables and constants, along with algebraic operations (addition, subtraction, etc.). Expressions are made up of terms.
Given here: The expression (56z+5)+(−13z−4)
simplifying the expression we get
(56z+5)+(−13z−4)
56z+5-13z-4
Arranging the like terms and combining we get
56z-13z+5-4
43z+1
Hence, The simplified form after simplifying we get 43z+1
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A car aleperon earn a bae alary of $1,400 per month plu a commiion of 5% on ale. The aleperon earned $4500 thi month. Write an equation to repreent the amount of ale made
The car salesperson made $62,000 in sales for the month
Let us say the amount of sales the car salesperson made in a month is x. Then, the total income can be represented as:
$1,400 + 0.05x = $4,500
The equation represents the total income of the car salesperson as the base salary of $1,400 per month plus a commission of 5% on sales. To find the amount of sales made, we have to solve x.
Subtracting $1,400 from both sides:
0.05x = $4,500 - $1,400 = $3,100
Dividing both sides by 0.05:
x = $3,100 / 0.05 = $62,000
So the car salesperson made $62,000 in sales for the month.
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If c intersects b what is m<2
The measure of angle 2 from the given figure is 90°.
What are angles of parallel lines?Angles in parallel lines are angles that are created when two parallel lines are intersected by another line called a transversal.
Given that, c is perpendicular to b.
Sice, c⊥b angles formed with lines c and b are equal to 90°.
Now, m∠2=90°
Therefore, the measure of angle 2 from the given figure is 90°.
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what are the values of a b and c in the quadratic equation 0=-15 9x^2 13
-15,9,13 are the quadratic equation values of a,b and c is 231.3.
How do you solve a quadratic equation for B and C?The equation for the quadratic function is f(x) = a * x2 + b * x + c. The center figure, the one right next to the x, is the b-value. Both a and c are numbers, just like the other letters. Any number may be used for each of them. They provide information about the graph of the quadratic function when taken together.
Graphs, A quadratic function is one that has the formula f(x) = ax2 + bx + c, where a, b, and c are all integers with a not equal to zero. T
Our ability to solve any quadratic equation is aided by the quadratic formula. First, we change the equation's form to read as ax2+bx+c=0, where a, b, and c are the coefficients.
As a result, we enter these coefficients into the formula:
(-b(b2-4ac))/(2a).
(-b(b2-4ac))/(2a).
-9(9-4*-15*13)/2*-15
-9(9-780)/-30 = -9(-771)/-30 =6939/-30 = -231.3.
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Complete question:
What are the values of a, b and c in the quadratic equation 9x² -15x + 13 = 0?
If 5 dates cost 25 cents, how many can be bought for USD 5?
Step-by-step explanation:
25 cents = $0.25
the ratio is 5/0.25 (5 dates for $0.25)
now we need to convert this to $5 in the denominator. and we need to multiply the numerator with the same factor.
and then the numerator will tell us how many dates we get for $5 in the denominator.
0.25 × x = 5
x = 5/0.25 = 20
indeed, 20 quarters = $5
so, we do
5/0.25 × 20/20 = 100/5
that means we can buy 100 dates for $5.
How do you find the missing side of the right triangle with legs: a = 5, b = 12?
The missing side of the triangle is known as the hypotenuse. The length of the missing side is 13.
What is a right triangle?
A right triangle, also known as a right-angled triangle, right-perpendicular triangle, orthogonal triangle, or formerly rectangled triangle, is a triangle with one right angle, or two perpendicular sides. The foundation of trigonometry is the relationship between the sides and other angles of the right triangle.
A right triangle has two legs and one hypotenuse.
The length of the legs is 5 and 12.
The sum of the square of the legs is equal to the square of the hypotenuse.
Therefore,
Hypotenuse² = 5²+ 12²
Hypotenuse² = 25+ 144
Hypotenuse² = 169
Hypotenuse = 13
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BRAINLIEST AND POINTS
The stem-and-leaf plot displays the distances that a heavy ball was thrown in feet.
2 0, 1, 3
3 1, 1, 5
4 1, 3, 4
5 0, 8
6 2
Key: 4|1 means 4.1
What is the mean, and what does it tell you in terms of the problem?
4.59 feet; The value means that a typical throw of the ball results in 4.59 feet.
4.1 feet; The value means the furthest the ball went.
3.825 feet; The value means that a typical throw of the ball results in 3.825 feet.
3.1 feet; The value means this measurement had the most occurrences.
The mean and the meaning is
C. 3.825 feet; The value means that a typical throw of the ball results in 3.825 feet.What is mean?The mean is a measure of central tendency that gives us the average value of a set of numbers.
To calculate the mean of the distances that the ball was thrown, we add up all the values and divide by the number of values. In this case, the mean is calculated as:
= (2.0 + 2.1 + 2.3 + 3.1 + 3.1 + 3.5 + 4.1 + 4.3 + 4.4 + 5.0 + 5.8 + 6.2) / 12
= 45.9 / 12
= 3.825
This value of 3.825 feet tells us that on average, the ball was thrown a distance of approximately 3.825 feet. This value gives us an idea of what a typical throw of the ball looks like, and can help us understand the distribution of the data.
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How many integrals would be required in the shell method?
The number of integrals required in the shell method is one or two, depending on the axis of rotation and the dimension of the solid of revolution.
The number of integrals required in the shell method depends on the dimension of the solid of revolution being generated. The shell method generates a solid of revolution by rotating a region about an axis.
For a solid of revolution generated by rotating a two-dimensional region about a vertical axis (i.e., a vertical shell), two integrals are required: one to find the volume of the shell and another to add up the volumes of all the shells to get the total volume of the solid.
For a solid of revolution generated by rotating a two-dimensional region about a horizontal axis (i.e., a horizontal shell), one integral is required to find the volume of the solid.
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Distance and Dot Products: Consider the vectors u=〈−3,10,9〉 and v=〈9,−5,7〉.
The dot product of u and v is -64. The distance between u and v is 16.
The dot product of two vectors u and v is calculated by multiplying the corresponding components of each vector and then summing the results. Therefore, the dot product of u and v is:
u•v = (−3)(9) + (10)(−5) + (9)(7) = −27 − 50 + 63 = −64
The distance between two vectors u and v is calculated by taking the square root of the dot product of the two vectors. Therefore, the distance between u and v is:
Distance(u,v) = √(u•v) = √(−64) = 16
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enter the complete name for dl
Deep Learning (DL) is a type of Artificial Intelligence (AI) that uses a set of algorithms to simulate the functioning of the human brain.
It is a form of machine learning that is based on the concept of neural networks. DL uses a set of algorithms to process large volumes of data and identify patterns in the data. DL can be used to identify patterns and relationships in data that are not easily visible to the human eye.
DL works by using a series of layers of neurons, each of which is connected to the next layer by a set of weights and biases. During the training process, these weights and biases are adjusted so that the output of the neural network is adjusted to match the desired output. This is done by using an optimization algorithm such as gradient descent. At each step, the weights and biases are adjusted until the output of the neural network matches the desired output.
Once the DL model has been trained, it can be used to make predictions from new data. It does this by taking inputs and passing them through the layers of neurons to generate an output. This output is then compared to the desired output and an error is calculated. This error is then used to adjust the weights and biases in order to minimize the error. This process of adjusting the weights and biases is repeated until the error is minimized and the model can make accurate predictions from new data.
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Complete question .
What is Deep Learning (DL)?
Which equation represents the relationship shown in the graph?
Hello, your answer should be B. I hope this helps. Have a great day! ~Ray
The quadratic function d = -2x^2+ 10 models a skateboarders distance,
in feet, from the bottom of a hill, x seconds after the skateboarder starts moving down the hill.
After how many seconds, is the skateboarder 1 ft from the bottom of the hill?
Answer:
2.1 seconds
Step-by-step explanation:
Note we are told that d = -2x² + 10, where d is distance (in feet) and x is time (in seconds).
After how many seconds is the skateboarder 1 ft from the bottom of the hill? => What is x when d=1?
To do this, sub 1 in for d and solve for x:
d = -2x² + 10
1 = -2x² + 10
-9 = -2x²
4.5 = x²
x = [tex]\sqrt{4.5}[/tex] ≈ 2.12132
Nondisclosure of the treatment an experimental unit is receiving.
Blinding refers to nondisclosure of the treatment an experimental unit is receiving
What is Non discloure Treatment?
Medical NDAs are written agreements in which a patient agrees not to post negative reviews of a medical professional on the internet. Medical NDAs, like any other type of contract, vary widely.
Concept:
Blinding is the practice of not disclosing the treatment that an experimental unit is getting. A single-blind experiment is one in which the experimental unit (or subject) is unaware of the therapy being administered.
A single-blind experiment is one in which the experimental unit (or subject) is unaware of the therapy being administered.
A double-blind experiment is one in which neither the experimental unit nor the researcher who comes into touch with it knows which treatment it is receiving.
Blinding is the practice of not disclosing the treatment that an experimental unit is getting.
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Blinding refers to nondisclosure of the treatment an experimental unit is receiving
What is Nondisclosure Treatment?
Medical NDAs are written agreements in which a patient agrees not to post negative reviews of a medical professional on the internet. Medical NDAs, like any other type of contract, vary widely.
Concept:
Blinding is the practice of not disclosing the treatment that an experimental unit is getting. A single-blind experiment is one in which the experimental unit (or subject) is unaware of the therapy being administered.
A single-blind experiment is one in which the experimental unit (or subject) is unaware of the therapy being administered.
A double-blind experiment is one in which neither the experimental unit nor the researcher who comes into touch with it knows which treatment it is receiving.
Blinding is the practice of not disclosing the treatment that an experimental unit is getting.
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data collected over several years shows that of all patients that come to the doctor's office with a sore throat, 220 patients are being sampled with a sore throat are tested for this virus. 5% (or 11 patients) of them have a contagious virus. a) the population is [ select ] . the parameter of interest is [ select ] and the value of the parameter is [ select ] . b) the central limit theorem (clt) holds for the sample proportion of patients with a contagious virus, because [ select ] . c) the mean of the sample proportion of patients with sore throat who have the virus is [ select ] and standard deviation the sample proportion is [ select ] . d) the probability that between 7.5% and 9% of these 220 patients in the sample with sore throat that have the virus is: [ select ] e) [ select ]
A sample of 220 patients with sore throats is tested for a contagious virus (5% positive). The central limit theorem holds and the mean of the sample proportion is 5% with a standard deviation of 0.0096. The probability of 7.5-9% positive is 68.3%.
a) the population is all patients who come to the doctor's office with a sore throat. The parameter of interest is the proportion of patients with a contagious virus in the population. The value of the parameter is 5%.
b) the central limit theorem (CLT) holds for the sample proportion of patients with a contagious virus because the sample size of 220 patients is large enough (more than 30) and the sample is being drawn randomly from the population.
c) the mean of the sample proportion of patients with a sore throat who has the virus is 5% and the standard deviation of the sample proportion is √(0.05 * 0.95) / 220 = 0.0096.
d) the probability that between 7.5% and 9% of these 220 patients in the sample with a sore throat have the virus is approximately 68.3% (based on a normal distribution).
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A sample of 220 patients with sore throats is tested for a contagious virus (5% positive). The central limit theorem holds and the mean of the sample proportion is 5% with a standard deviation of 0.0096. The probability of 7.5-9% positive is 68.3%.
a) the population is all patients who come to the doctor's office with a sore throat. The parameter of interest is the proportion of patients with a contagious virus in the population. The value of the parameter is 5%.
b) the central limit theorem (CLT) holds for the sample proportion of patients with a contagious virus because the sample size of 220 patients is large enough (more than 30) and the sample is being drawn randomly from the population.
c) the mean of the sample proportion of patients with a sore throat who has the virus is 5% and the standard deviation of the sample proportion is √(0.05 * 0.95) / 220 = 0.0096.
d) the probability that between 7.5% and 9% of these 220 patients in the sample with a sore throat have the virus is approximately 68.3% (based on a normal distribution).
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The target weight of a bag of potatoes is 10 pounds. The weight of each bag can differ from this value by
at most 0.75 pounds. Write and solve an absolute-value inequality to find the range of acceptable
weights. Graph the solutions.
O lt - 10l ≤ 0.75
The range of acceptable weights is t ≥ 9.25 AND t ≤ 10.75.
O lt-10l ≤ 0.75
The range of acceptable weights is t ≥ 9.25.
O It-10l ≤ 0.75
The range of acceptable weights is t ≤ 9.25 OR t≥ 10.75.
O lt -10l < 0.75
The range of acceptable weights is t > 9.25 AND t < 10.75
The inequality is (a) lt - 10l ≤ 0.75
The range of acceptable weights is t ≥ 9.25 AND t ≤ 10.75.
How to determine the rangeThe range of acceptable weights for a bag of potatoes can be found by writing an absolute value inequality as follows:
|w - 10| ≤ 0.75
Where
Difference = At most 0.75 poundsTarget = 10 poundsExpanding the absolute value:
-0.75 ≤ w - 10 ≤ 0.75
Solving for w:
9.25 ≤ w ≤ 10.75
The range of acceptable weights for a bag of potatoes is 9.25 to 10.75 pounds.
The number line is attached
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