An expression is a combination of numbers, variables, and operations that can be evaluated to produce a value. Expressions can be simple or complex and can involve arithmetic, logical, or comparison operations.
What is the expression?A) To factor [tex]p^2-x^2+6x-9[/tex] first notice that the expression inside the parentheses is the difference of two squares, so we can use the formula:
[tex]p^2 - x^2 = (p + x)(p - x)[/tex]
Therefore, we can write the expression as:
[tex](p + x + 3)(p - x + 3)[/tex]
To check this, you can use FOIL to expand the expression:
[tex](p + x + 3)(p - x + 3) = p^2 - px + 3p + px - x^2 + 3x + 3p - 3x + 9 = p^2 - x^2 + 6x + 9[/tex]
B) To factor b^2-c^2-10(b-c), notice that the first two terms form a difference of squares, so we can use the formula again:
[tex]b^2 - c^2 = (b + c)(b - c)[/tex]
The expression can then be written as:
[tex](b + c)(b - c) - 10(b - c) = (b - c)(b + c - 10)[/tex]
To check this, we can use FOIL again:
[tex](b - c)(b + c - 10) = b^2 - bc - 10b - cb + 10c = b^2 - c^2 - 10(b - c)[/tex]
Therefore, the factored form of the expression is [tex](b - c)(b + c - 10)[/tex].
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What is the meaning of mean, meadian and mode?
(With explanation)
Step-by-step explanation:
The mean (average) of a data set is found by adding all numbers in the data set and then dividing by the number of values in the set. The median is the middle value when a data set is ordered from least to greatest. The mode is the number that occurs most often in a data set.
Please mark as brainliestAnswer:
Step-by-step explanation:
Certainly! "Mean," "median," and "mode" are three different measures of central tendency used in statistics to describe a dataset. They help provide insight into the typical or central value within a set of data points.
1. **Mean:**
- **Definition:** The mean, also known as the average, is calculated by adding up all the values in a dataset and then dividing by the total number of values.
- **Calculation:** Mean = (Sum of all values) / (Number of values)
- **Explanation:** The mean gives you the "typical" or "average" value in a dataset. It's the sum of all the values divided by the number of values. For example, if you have test scores of 80, 85, 90, 92, and 95, the mean score would be (80 + 85 + 90 + 92 + 95) / 5 = 88.4.
2. **Median:**
- **Definition:** The median is the middle value in a dataset when the values are arranged in ascending or descending order. If there is an even number of values, the median is the average of the two middle values.
- **Explanation:** The median is the middle value that separates the dataset into two equal halves. It is not influenced by extreme values (outliers) as much as the mean. For example, in the dataset 4, 7, 9, 12, 15, the median is 9 because it's the middle value.
3. **Mode:**
- **Definition:** The mode is the value that appears most frequently in a dataset. A dataset can have one mode (unimodal), more than one mode (multimodal), or no mode if all values occur with the same frequency.
- **Explanation:** The mode represents the most common value or values in a dataset. For example, in the dataset 2, 3, 3, 4, 4, 4, 5, the mode is 4 because it appears more frequently than any other value.
In summary, the mean is the average value, the median is the middle value, and the mode is the most frequently occurring value in a dataset. Each of these measures provides different insights into the central tendency of data and can be useful for various statistical analyses and interpretations.
Lisa uses her railcard to buy a ticket.
She gets off the normal price of the ticket.
The normal price of the ticket is £24.90
Work out how much Lisa pays for the ticket.
The discount percentage is different, the amount that Lisa pays will also be different.
What exactly is the discounted method?The act of estimating the present value of a future payment or series of cash flows that will be received in the future is referred to as discounting. A discount rate (also known as a discount yield) is the rate at which future cash flows are discounted back to their present value.
We need to know what percentage of the regular ticket price Lisa saves with her railcard. We cannot calculate the exact amount Lisa pays for the ticket without this information.
Assuming Lisa receives a 1/3 discount with her railcard, we can calculate the cost of her ticket as follows:
Discounted price = Regular price minus discount amount
Normal price x Discount percentage = Discount amount
Discount rate = 1/3 = 33.33% (rounded to two decimal places)
Discount amount = £24.90 multiplied by 33.33% = £8.30 (rounded to two decimal places)
Price after discount = £24.90 - £8.30 = £16.60 (rounded to two decimal places)
As a result, if Lisa receives a 1/3 discount with her railcard, she will pay£16.60 for the ticket. However, if the discount percentage is different, Lisa's payment will be different as well.
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Lisa uses her railcard to buy a ticket.
She gets off the normal price of the ticket.
The normal price of the ticket is £24.90
Work out how much Lisa pays for the ticket.
William writes a function f(x) = 2x - 10. He uses an
input-output table to represent the function.
Input: 4
Output: -8
What is the output of William's function when the
input is 4?
Answer: -8
Step-by-step explanation:
When the input is 4, according to the input-output table, the output is -8.
Plugging 4 into the function f(x) = 2x - 10 directly also gives the same result:
f(4) = 2(4) - 10 = 8 - 10 = -2
So the output of William's function when the input is 4 is -8.
Can some one solve this and show their work plssss
Answer:
For WXYZ to be a parallelogram, both pairs of opposite sides must be parallel.
So, we have 7m + 4 = 9m and 5y + 13 - (2n - 1) = 6y - 8 - (n + 6).
Solving the first equation, we get m = 2.
Solving the second equation, we get y - n = 4.
Thus, for WXYZ to be a parallelogram, m = 2 and y - n = 4, so option B is correct.
find the ratio of 15 min and 1 hour
Answer:
1 : 4 minutes.
Step-by-step explanation:
Given: 15 minutes / 1 hour.
First convert 1 hour to minutes:
1 hour = 60 minutes
Then write the fraction:
15 : 60
Finally, simplify it:
1 : 4 minutes
Expresa en grados los siguientes radiantes:
1) π RAD=?
2) 3/2π RAD=?
3) π/6 RAD=?
4) π/18 RAD=?
Given
Δ
ΔACE with vertices A(2, 1), C(2, 4), and E(5, 1)
and
Δ
Δ BCD with vertices B(2, 3), C(2, 4), and D(3, 3)
a) Find each length in simplest form
AC =
BC =
CE =
CD =
b) < C
≅
≅ < C because
c)
Δ
ΔACE
Δ
ΔBCD because
d) < CBD
< A
a) the lengths of each side:
AC = 3, BC = 1, CE = 3, CD = √2.
b) < C ≅ < C, corresponding angles of congruent triangles.
c) ΔACE ≅ ΔBCD by Side-Angle-Side (SAS) criterion,
d) ∠CBD ≅ ∠A, vertical angles.
What is the similarity of a triangle?
If the two sides of a triangle are in the same proportion of the two sides of another triangle, and the angle inscribed by the two sides in both triangles are equal, then two triangles are said to be similar.
a)
AC = √[(2-2)² + (4-1)²] = √9 = 3
BC = √[(2-2)² + (4-3)²] = 1
CE = √[(5-2)² + (1-1)²] = 3
CD = √[(3-2)² + (3-4)²] = √2
b) < C ≅ < C because they are corresponding angles of congruent triangles ΔACE and ΔBCD.
c) ΔACE ≅ ΔBCD by Side-Angle-Side (SAS) criterion, since AC = BC, CE = CD and < C ≅ < C.
d) < CBD < A because the point B lies on AC, and therefore < A and < CBD are vertical angles, and by definition, vertical angles are congruent.
Hence, a) the lengths of each side:
AC = 3, BC = 1, CE = 3, CD = √2.
b) < C ≅ < C, corresponding angles of congruent triangles.
c) ΔACE ≅ ΔBCD by Side-Angle-Side (SAS) criterion,
d) ∠CBD ≅ ∠A, vertical angles.
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Find the missing angle. Round your
answer to the nearest tenth.
tº
11 mi
5 mi
Answer:
24.4 degrees
Step-by-step explanation:
This is a right triangle so you can use trig to solve. If you take the arctan of 5/11 you get 24.4(rounded to the nearest tenth)
researchers analyzed data from more than 5000 adults and found that the more diet sodas a person drank, the greater the person's weight gain. does this mean that drinking diet soda causes weight gain?
Based on the analyzed data from more than 5,000 adults, researchers found that the more diet sodas a person drank, the greater the person's weight gain.
But it is not true that drinking diet soda causes weight gain.
The causal link between drinking diet soda and weight gain is not established. People who drink diet soda may be consuming more calories and sugars from other sources or may be leading an unhealthy lifestyle that results in weight gain.
the artificial sweeteners used in diet soda may interfere with the body's natural ability to regulate calorie intake, leading to increased cravings for high-calorie foods and, ultimately, weight gain. However, more research is needed to understand the impact of artificial sweeteners on weight gain fully.
Therefore, it can be concluded that drinking diet soda does not directly cause weight gain. Instead, a healthy lifestyle and balance between calorie intake and energy expenditure is necessary to maintain a healthy weight.
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Halla los números desconocidos de estas operaciones
A)872+. +173=2000
B)9180:. =102
C). -99=706
Con los mismos números y las mismas operaciones podemos obtener diferentes resultados,coloca los paréntesis de manera que se obtengan los resultados indicados. A)3+5x7-2=40
B)3+5×7-2=54
C)3+5×7-2=28
ES PARA HOY PORFAVOR☹,PUEDEN HACER EN UNA HOJA O ESCRIBIR ASI PERO EXPLIQUEN BIEN!!!!!!AYUDA SI NO SABEN NO RESPONDAD
In equation A the missing number is 955, In equation B the missing number is 90 and In equation C the missing number is 805.
A) To find the missing number in the equation 872 + ? + 173 = 2000, we need to subtract 872 and 173 from 2000, which gives us:
2000 - 872 - 173 = 955
Therefore, the missing number is 955.
B) To find the missing number in the equation 9180 ÷ ? = 102, we need to divide 9180 by 102, which gives us:
9180 ÷ 102 = 90
Therefore, the missing number is 90.
C) To find the missing number in the equation ? - 99 = 706, we need to add 99 to 706, which gives us:
706 + 99 = 805
Therefore, the missing number is 805.
To obtain the indicated results with the same numbers and operations, we need to use parentheses to change the order of operations.
A) 3 + (5x7) - 2 = 40
B) (3 + 5) × 7 - 2 = 54
C) 3 + (5 × (7-2)) = 28
Equations are used extensively in various fields of science, engineering, economics, and finance, to name a few. It is formed by placing an equal sign between the two expressions. Equations are used to solve problems and find unknown values.
An equation can contain variables, constants, and mathematical operations such as addition, subtraction, multiplication, and division. The variables in an equation represent unknown values that need to be found, while the constants are known values that are already given. Solving an equation involves manipulating the expressions on both sides of the equal sign using mathematical operations to isolate the variable on one side and constants on the other. The final solution obtained is the value of the variable that satisfies the equation..
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Complete Question: -
Find unknown numbers of these operations
A ) 872 +. + 173 = 2000
B ) 9180:. = 102
C ). -99 = 706
With the same numbers and the same operations we can obtain different results, place the parentheses so that the indicated results are obtained.
A ) 3 + 5 x 7-2 = 40
B ) 3 + 5 × 7-2 = 54
C ) 3 + 5 × 7-2 = 28
IT'S FOR TODAY PLEASE ☹, CAN DO IN A LEAF OR WRITE ASI BUT EXPLAIN WELL!!!!!!HELP IF THEY DON'T KNOW NO RESPOND
Can some one solve this and show their work please
Answer:
m = 2n = 7Step-by-step explanation:
we solve with two equations between the corresponding sides
9m = 7m + 4
9m - 7m = 4
2m = 4
m = 2
----------------------------------
check
9 x 2 = 7 x 2 + 4
18 = 18
this answer is good
n + 6 = 2n - 1
n + 7 = 2n
7 = n
-----------------------------------
7 + 6 = 2 x 7 - 1
13 = 13
this answer is good
find the volume of the largest rectangular box with edges parallel to the axes that can be inscribed in the ellipsoid(x^2/4) + (y^2/64) + (z^2/49) = 1Hint: By symmetry, you can restrict your attention to the first octant (where x,y,z=0), and assume your volume has the form V=8xyz. Then arguing by symmetry, you need only look for points which achieve the maximum which lie in the first octant.What is the maximum volume?
The volume of the rectangular box is given by using the Lagrangian multiplier theorem is 172.435 cubic units.
It states that any local maxima or any local minima of the function are calculated under the equality constraints.
The equation of ellipsoid is given as,
[tex]\frac{x^2}{4} +\frac{y^2}{64} +\frac{z^2}{49} =1[/tex]
Let the edges of the required rectangular box be x, y, and z.
Then, the volume of the box in the first quadrant is V = xyz
Then we have,
[tex]\phi(x,y,z) = \frac{x^2}{4} +\frac{y^2}{64} +\frac{z^2}{49} -1[/tex]
By the Lagrange multiplier,
[tex](V_x,V_y,V_z) = \lambda (\phi_x, \phi_y,\phi_z)\\\\(yz,xz,xy)=\lambda(\frac{2x}{4},\frac{2y}{64},\frac{2z}{49} )\\\\xyz = \lambda\frac{x^2}{2},xyz =\lambda\frac{y^2}{32} ,xyz=\lambda\frac{2z^2}{49} \\\\x^2 = 2k, y^2=32k,z^2=49k/2[/tex]
Solving for k we have the value of k as k = 2/3.
Put k=2/3 in equation 2, we have
x² = 2*2/3 , y² = 32*2/3, z² = 49/2*2/3
x =±2/√3 , y= ±8/√3 , z = ±7/√3
Then the volume of the rectangular box will be
Volume = [tex]\frac{2}{\sqrt{3} } \frac{8}{\sqrt{3} } \frac{7}{\sqrt{3} }[/tex]
Volume = 172.435 cubic units.
Therefore, the value of volume of the rectangular box is 172.435 cubic units.
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All 5 students in Mr. Arthur's class score 50 on a test. What is the average score on this test?
If all the 5 students in Mr. Arthur's class scores 50 on a test then the average score of the test is 50.
To find the average score on the test, we need to sum up the scores of all the students and then divide by the number of students.
In this case, all 5 students scored 50 on the test.
So the total score of all 5 students is:
Total score = 5 x 50 = 250
The average score is then calculated by dividing the total score by the number of students:
Average score = Total score / Number of students
Average score = 250 / 5
Average score = 50
Therefore, the average score on the test is 50.
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5x-2=3(x+4)
What is the value of X
Answer:
[tex]\large\boxed{\textsf{x = 7}}[/tex]
Step-by-step explanation:
[tex]\textsf{For this problem, we are asked to find the value of x.}[/tex]
[tex]\textsf{We should simply isolate the x so that it's only on one side.}[/tex]
[tex]\large\underline{\textsf{How?}}[/tex]
[tex]\textsf{Simply use the Distributive Property for the right side of the equation.}[/tex]
[tex]\textsf{Simplify the equation to where x is by itself.}[/tex]
[tex]\large\underline{\textsf{What is the Distributive Property?}}[/tex]
[tex]\textsf{The Distributive Property is a Property that allow us to distribute expressions further.}[/tex]
[tex]\textsf{Commonly, the form is a(b+c); Where b and c are multiplied by a.}[/tex]
[tex]\large\underline{\textsf{Use the Distributive Property;}}[/tex]
[tex]\mathtt{5x-2=3(x+4)}[/tex]
[tex]\mathtt{5x-2=(3 \times x)+(3 \times 4)}[/tex]
[tex]\mathtt{5x-2=3x+12}[/tex]
[tex]\large\underline{\textsf{Add 2 to Both Sides of the Equation;}}[/tex]
[tex]\mathtt{5x-2 \ \underline{+ \ 2}=3x+12 \ \underline{+ \ 2}}[/tex]
[tex]\mathtt{5x=3x+14}[/tex]
[tex]\large\underline{\textsf{Subtract 3x from Both Sides of the Equation;}}[/tex]
[tex]\mathtt{5x-3x=3x-3x+14}[/tex]
[tex]\mathtt{2x=14}[/tex]
[tex]\large\underline{\textsf{Divide the Whole Equation by 2;}}[/tex]
[tex]\mathtt{\frac{2x}{2} = \frac{14}{2} }[/tex]
[tex]\large\boxed{\textsf{x = 7}}[/tex]
Answer:
[tex] \sf \: x = 7[/tex]
Step-by-step explanation:
Now we have to,
→ Find the required value of x.
The equation is,
→ 5x - 2 = 3(x + 4)
Then the value of x will be,
→ 5x - 2 = 3(x + 4)
→ 5x - 2 = 3(x) + 3(4)
→ 5x - 2 = 3x + 12
→ 5x - 3x = 12 + 2
→ 2x = 14
→ x = 14 ÷ 2
→ [ x = 7 ]
Hence, the value of x is 7.
Identifying and naming congruent angles 
In response to the stated question, we may state that As a result, the figure's pairs of congruent angles are: ∠BAC ≅ ∠EDF; ∠ABC ≅ ∠DEF; ∠ACB ≅ ∠DFE
What are angles?An angle is a form in Euclidean geometry that is constructed from two rays, known as the tone's sides, that connect at a central location known as angle's vertex.
Two beams may combine to generate an inclination in the plane in which they are located. They are known as dihedral angles. In plane geometry, an angle is a potential arrangement of two rays or planes that meet a termination.
The English term “angle” derives from the Latin phrase "angulus," which means "horn." The vertex is the point at where the twin rays, also termed as the angle's sides, converge.
The congruent angles in the illustration are:
BAC and EDF are vertically opposed angles with the same measurement.
ABC and DEF are equivalent angles with the same measure.
ACB and DFE are equivalent angles with the same measure.
Therefore, the figure's pairs of congruent angles are:
∠BAC ≅ ∠EDF
∠ABC ≅ ∠DEF
∠ACB ≅ ∠DFE
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Given (x – 7)2 = 36, select the values of x.
Answer:
25
Step-by-step explanation:
2x-14=36
2x=36+14
2x=50
x=25
Ñamandu es un genio dibujó un cuadrado de x cm cada lado en la parte superior del cuadrado partió en tres partes iguales quedando el corte expresado de esta manera x bajo 3 unió el primer punto de corte con el vértice del lado paralelo trazando un segmento a lo que llamó y Descubre que figuras se forman y entra el perímetro de cada figura formado
The figures created are a square and a right triangle, and the perimeter of the entire figure is (13x/3) + x × sqrt(10).
When Namandu divides the top side of the square into three equal parts, he creates two segments of length x/3 each. By connecting the first point of division with the vertex of the parallel side, he creates a right triangle with legs of length x/3 and x, and hypotenuse of length y.
Using the Pythagorean theorem, we can solve for y:
y^2 = (x/3)^2 + x^2
y^2 = x^2/9 + x^2
y^2 = (10x^2)/9
y = x×sqrt(10)/3
Now we can find the perimeter of each figure that is created
Perimeter of the original square = 4x
Perimeter of the right triangle = x + x/3 + y = x + x/3 + xsqrt(10)/3
Perimeter of the entire figure = 4x + x + x/3 + xsqrt(10)/3 = (13x/3) + x×sqrt(10)
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is this relation reflexive? is this relation irreflexive? is this relation total? is this relation transitive?
The relation you have described is neither reflexive, nor irreflexive, nor total, nor transitive.
A relation cannot be both reflexive and irreflexive. Hence, these two properties are mutually exclusive. If it is reflexive, then it is not irreflexive. If it is irreflexive, then it cannot be reflexive. Nonetheless, it is possible for a relation to be neither reflexive nor irreflexive.
A reflexive relation is one in which every element is related to itself. A relation is irreflexive if no element is related to itself. A total relation is one in which every element is related to every other element. A transitive relation is one in which, if element A is related to element B and element B is related to element C, then element A is related to element C.
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Square root of За^2/10b^6
The simplified square expression for[tex]\sqrt{3a^2/10b^6}[/tex] is [tex]|3a| / (\sqrt{10} * b^{3})[/tex].
What is square root ?
In mathematics, the square root of a number is a value that, when multiplied by itself, gives the original number. For example, the square root of 9 is 3, because 3 x 3 = 9.
The square root is denoted by the symbol √, also known as the radical symbol. For instance, the square root of 16 is written as √16 = 4.
The square root can be used to solve various types of equations, including quadratic equations and problems involving areas and volumes. It is also used in various fields such as physics, engineering, and finance.
According to the question:
To simplify the expression [tex]\sqrt{3a^{2}/10b^6}[/tex], we can first separate the numerator and denominator inside the square root:
[tex]\sqrt{3a^2/10b^6} = \sqrt{3a^2}/\sqrt{10b^6}[/tex]
Next, we can simplify the square root of the numerator:
[tex]\sqrt{3a^2} = |3a|,[/tex] where |За| represents the absolute value of За.
Finally, we can simplify the square root of the denominator by factoring out the perfect square[tex]b^2[/tex]:
[tex]\sqrt{10b^6} = \sqrt{10} * \sqrt{b^6} = \sqrt{10} * b^{3}[/tex]
Substituting these values back into the original expression, we get:
[tex]\sqrt{3a^2/10b^6} = |3a| / \(sqrt{10} * b^3[/tex]
Therefore, the simplified expression for[tex]\sqrt{3a^2/10b^6}[/tex] is [tex]|3a| / (\sqrt{10} * b^{3})[/tex].
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an arm wrestler is the champion for a period of 75 hours. (here, by an hour, we mean a period starting from an ex- act hour, such as 1 p. m ., until the next hour.) the arm wrestler had at least one match an hour, but no more than 125 total matches. show that there is a period of consec- utive hours during which the arm wrestler had exactly 24 matches.
In the following question, among the conditions given, There must have been at least one 24-hour period in the 75-hour period in which the arm wrestler had exactly 24 matches.
The arm wrestler had at least 75 matches and no more than 125 total matches. This means that the arm wrestler had a maximum of 50 matches in any consecutive period of 75 hours. Therefore, there must be a period of consecutive hours during which the arm wrestler had exactly 24 matches.
To show this, let us consider the following: in the 75-hour period, there must have been at least 3 periods of consecutive 24-hour periods (24 matches per period). If we subtract 3 x 24 matches from the total of 75 matches, we are left with 3 matches. Therefore, there must have been at least one 24-hour period in the 75-hour period in which the arm wrestler had exactly 24 matches.
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Rose graphs this equation as shown x^2-4x+y^2=0 Rose correctly found the what but incorrectly found the what to correct her graph she could what
The equation [tex]x^2-4x+y^2=0[/tex] can be rewritten as [tex]x^2-4x+4+y^2=4[/tex], which is equivalent to [tex](x-2)^2 + y^2 = 2^2[/tex]. This is the equation of a circle centered at (2,0) with a radius of 2.
How to graph this equation?To graph this equation, you could plot the center point (2,0) and then draw a circle with a radius of 2 around that point. Alternatively, you could find a few points on the circle by plugging in values for x and solving for y (or vice versa), and then plot those points to sketch the circle.
If Rose found the correct equation but incorrectly graphed it, she could try using the correct center point and radius to sketch the circle more accurately. Alternatively, she could check her work to see where she made a mistake in graphing the equation.
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I am in need of some help with this
The required volume of the shape is [tex]\frac{850\pi}{3}$[/tex] cubic units.
What is volume?A measurement of three-dimensional space is volume. It is frequently expressed mathematically using SI-derived units, as well as different imperial or US-standard units. Volume and the definition of length are linked.
First, let's find the volume of the cylinder:
[tex]$$V_{cylinder} = \pi r^2 h = \pi (5)^2 (8) = 200\pi$$[/tex]
Next, let's find the volume of the hemisphere:
[tex]$V_{hemisphere} = \frac{2}{3}\pi r^3 = \frac{2}{3}\pi (5)^3 = \frac{250\pi}{3}$$[/tex]
To find the volume of the entire shape, we simply add the volume of the cylinder and hemisphere:
[tex]$$V_{shape} = V_{cylinder} + V_{hemisphere} = 200\pi + \frac{250\pi}{3} = \frac{850\pi}{3}$$[/tex]
Therefore, the volume of the shape is [tex]\frac{850\pi}{3}$[/tex] cubic units.
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Kernels as Dot Products 2 1 point possible (graded) Which of the following feature vectors (x) produces the kernel K(x,x) = (x) - (x') (x) = [x1, x2, x3] O(x) = [₁ + x₂ + x3] (x) = [x₁, x₂ + x3] (x) = [x₁ + x3, x1 + x2] = x₁x₁ + x2x₂ + x3 x3 + x 2 x 3 + x 3 x 2
The feature vector that generates the kernel K(x, x) = (x) - (x') is given by (x) = [x1, x2 + x3].
The formula for kernel is K(x, y) = φ(x) · φ(y) and the dot product of two vectors is defined as (x) · (y) = x^Ty where x^T denotes the transpose of x.
Therefore, we can expand the given kernel to: K(x, x') = φ(x) · φ(x')= [x1, x2 + x3] · [x1, x2 + x3]'= [x1, x2 + x3] · [x1, x2 + x3]= x1x1 + (x2 + x3)(x2 + x3) The correct option is (x) = [x1, x2 + x3]
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About 24% of flights departing from New York's John F. Kennedy International Airport were delayed in 2009. Assuming that the chance of a flight being delayed has stayed constant at 24%, we are interested in finding the probability of 10 out of the next 100 departing flights being delayed. Noting that if one flight is delayed, the next flight is more likely to be delayed, which of the following statements is correct? . (A) We can use the geometric distribution with n = 100, k = 10, and p = 0.24 to calculate this probability. (B) We can use the binomial distribution with n = 10, k = 100, and p = 0.24 to calculate this probability. (C) We cannot calculate this probability using the binomial distribution since whether or not one flight is delayed is not independent of another. (D) We can use the binomial distribution with n = 100, k = 10, and p = 0.24 to calculate this probability
The statement that is correct is (D) We can use the binomial distribution with n = 100, k = 10, and p = 0.24 to calculate this probability.
The binomial distribution can be used to calculate the probability of a certain number of successes in a given number of trials, where each trial has a fixed probability of success.
The probability of a flight being delayed is 0.24, and the probability of a flight not being delayed is 0.76. Therefore, the probability of exactly 10 flights out of 100 being delayed can be calculated using the binomial distribution with n = 100, k = 10, and p = 0.24.
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The stem-and-leaf plot below gives the number of minutes that customers waited for their orders at two restaurants. There were 13 wait times recorded for the first restaurant and 16 for the second. Use the plot to answer the questions.
Answer: The first restaurant had a greater median time
the range for the first restaurant is 35 minutes and the range for the second restaurant is 39 minutes
The second restaurant had more wait times from 30-39 minutes
find the length of the cord pt.3
According to the circle theorem, we can find the length of the cord, x = 4 units.
Define circle theorem?Geometrical assertions known as "circle theorems" set forward significant conclusions pertaining to circles. These theorems provide significant information regarding several aspects of a circle.
A circle's chord is a line segment that hits the circle twice on its edge, separating it into two equal pieces. The circle is divided into two equal pieces by the longest chord of the circle, which runs through its centre.
Here in the given circle,
As per the intersecting chords theorem,
AB × CB= BE × BD
⇒ 6 × 6 = 9× x
⇒ x = 36/9=4
Therefore, the length of the chord, x = 4 units.
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need help finding the letter u
In the given diagram, ΔHIJ ≈ ΔFIG, the value of u in triangle FIG is calculated as: IG = 8 yd
What is a triangle?A triangle is a geometric shape that is formed by three line segments that intersect at three non-collinear points. The three line segments are called the sides of the triangle, while the three points where they intersect are called the vertices of the triangle.
A triangle is a three-sided polygon formed by three line segments intersecting at three non-collinear points, and it can be classified based on the length of its sides and the measure of its angles.
∆HIJ similar to ∆FIG
HI/FI = IJ/IG
5/10 = 4/IG
IG = 8 yd
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In the given diagram, ΔHIJ ≈ ΔFIG, the value of u in triangle FIG is calculated as: IG = 8 yd
What is a triangle?A triangle is a geometric shape that is formed by three line segments that intersect at three non-collinear points. The three line segments are called the sides of the triangle, while the three points where they intersect are called the vertices of the triangle.
A triangle is a three-sided polygon formed by three line segments intersecting at three non-collinear points, and it can be classified based on the length of its sides and the measure of its angles.
∆HIJ similar to ∆FIG
HI/FI = IJ/IG
5/10 = 4/IG
IG = 8 yd
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Select the correct solution for the expression. 2 5 + 3 8 2 5 + 3 8 A. 2 5 + 3 8 = 5 13 2 5 + 3 8 = 5 13 B. 16 40 + 15 40 = 31 40 16 40 + 15 40 = 31 40 C. 10 40 + 24 40 = 34 40 10 40 + 24 40 = 34 40 D. 2 5 + 3 8 = 6 40
In response to the stated question, we may state that As a result, the equation proper answer is: B. 16/40 + 15/40 = 31/40
What is equation?An equation in mathematics is a statement that states the equality of two expressions. An equation is made up of two sides that are separated by an algebraic equation (=). For example, the argument "2x + 3 = 9" asserts that the phrase "2x + 3" equals the number "9". The purpose of equation solving is to determine the value or values of the variable(s) that will allow the equation to be true. Equations can be simple or complicated, regular or nonlinear, and include one or more elements. In the equation "x2 + 2x - 3 = 0," for example, the variable x is raised to the second power. Lines are utilised in many different areas of mathematics, such as algebra, calculus, and geometry.
We must identify a common denominator for the two fractions in order to solve the formula 2/5 + 3/8. Because 40 is the lowest common multiple of 5 and 8, we can transform both fractions to have a denominator of 40:
2/5 = 16/40
3/8 = 15/40
We can now sum the two fractions:
16/40 + 15/40 = 31/40
As a result, the proper answer is:
B. 16/40 + 15/40 = 31/40
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Dakota earned $6.00 in interest in Account A and 30.00$ in interest in Account B after months. If the simple interest rate is 4% for Account A and 5% for Account B, which account has the greater principal? Explain.
the principal in Account B is 4.8 times the principal in Account A.
How to solve?
Let the principal in Account A be P and the principal in Account B be Q. Also, let n be the number of months.
From the given information, we have:
Interest earned in Account A = $6.00
Interest rate in Account A = 4%
Number of months = n
Using the formula for simple interest, we have:
Interest earned in Account A = (P × 4%× n) / 12
Substituting the given values, we get:
6.00 = (P × 4% × n) / 12
P× n = 150
Similarly, we have:
Interest earned in Account B = $30.00
Interest rate in Account B = 5%
Number of months = n
Using the formula for simple interest, we have:
Interest earned in Account B = (Q× 5% × n) / 12
Substituting the given values, we get:
30.00 = (Q× 5% ×n) / 12
Q × n = 720
To compare the principals, we can divide the equation for Account B by the equation for Account A:
(Q × n) / (P× n) = 720 / 150
Simplifying, we get:
Q / P = 4.8
Therefore, the principal in Account B is 4.8 times the principal in Account A.
Since the interest rate in Account B is higher than the interest rate in Account A, we can conclude that the principal in Account B is greater than the principal in Account A.
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Which statements are true? Select each correct answer.
A. 40m^6 -4=4(10m^6-1)
B. 32m^4 +12m^3 =4m^3(8m +3)
C. 15m^3-6m=3m(5m^2 -6m)
D. 6m^2+18m=6m^2(1+3m)
Answer:
C. 15m^3-6m=3m(5m^2 -6m) is true.
D. 6m^2+18m=6m^2(1+3m) is true.
A. 40m^6 -4=4(10m^6-1) is not true.
B. 32m^4 +12m^3 =4m^3(8m +3) is not true.
Answer:
C. 15m^3-6m=3m(5m^2 -6m) is true.
D. 6m^2+18m=6m^2(1+3m) is true.
Step-by-step explanation: