the length, width and volume of a rectangular prism is measure 8cm, 6cm and 144 cu cm what is its height?
A.2cm B. 3cm C. 4 cm D.5cm

Answer:

y = 4 \((2)^{x}\)

Step-by-step explanation:

For an exponential function in standard form

y = a \((b)^{x}\)

To find the values of a and b, use ordered pairs from the table

Using (0, 4 ), then

4 = a\(b^{0}\) ( \(b^{0}\) = 1 ), so

a = 4

y = 4\(b^{x}\)

Using (1, 8 ), then

8 = 4\(b^{1}\) = 4b ( divide both sides by 4 )

2 = b

Thus

y = 4 \((2)^{x}\) ← exponential function

Answer:

16 pennies, one dime and 1 nickel and 1 penny, 3 nickels and 1 penny.

Step-by-step explanation:

Answer:

1 dime, 1 nickel, 1 penny

Step-by-step explanation:

1 dime= 10 cents

1 nickel= 5 cents

1 penny= 1 cent

Answer:

I'll explain below, just follow the directions. I can't directly draw it.

Step-by-step explanation:

find the length and the width of a rectangle whose perimeter is 18 ft

2L + 2W = 18

simplify, divide by 2

L + W = 9

L = (9-W)

:

whose area is 20 square feet

L*W = 20

Replace L with (9-W)

W(9-W) = 20

-W^2 + 9W - 20 = 0

Multiply by -1, easier to factor

W^2 - 9W + 20

Factors to

(W-4)(W-5) = 0

Two solutions

W = 4 ft is width, then 5 ft is the Length

and

W = 5 ft is the width, then 4 ft

The volume of the pyramid shape is 27.067 cm³

The pyramid shape is a three-dimensional shape that has a base length, base width, and height.

The volume of a pyramid can be determined by using the formula:

\(\mathbf{V = \dfrac{1}{3}\times base \ length \times base \ width \times height}\)

where:

\(\mathbf{V = \dfrac{1}{3}\times 28 \ cm^2 \times2.9 cm}\)

V = 27.067 cm³

Therefore, we can conclude that the volume of the shape is 27.067 cm³.

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It will take 24.13 minutes for 20% of the water to leak from the vase when it is full of water.

The volume of a cone is given by the formula:

V = 1/3 πr²h

where r = 4.8/2 = 2.4 inches and h = 10 inches

Volume of vase = 1/3 * 22/7 * 2.4² * 10

Volume of vase = 19.2π in³

20% of volume will be:

20/100 * 19.2π = 3.84π in³

Rate = Volume / time

time = Volume / Rate

time = 3.84π / 0.5

time = 24.13 minutes

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The intercept of the vertical axis, representing the number of movies, is 5.

To determine the intercept of the vertical axis of the budget constraint, we need to find the maximum number of movies you can purchase with your monthly budget of $34.

Since each movie costs $6, we can divide the total budget by the cost of each movie to find the maximum number of movies you can afford:

$34 / $6 = 5.67

Since you cannot purchase a fraction of a movie, the maximum number of movies you can buy is 5.

Therefore, the intercept of the vertical axis, representing the number of movies, is 5.

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The approximation of I using the simple Simpson's rule is approximately values -0.3255s.

To approximate the integral I = ∫(scos(x² + 2) dx) using the simple Simpson's rule, to divide the interval of integration into an even number of subintervals and apply the Simpson's rule formula.

The interval of integration into n subintervals. Then the width of each subinterval, h, is given by:

h = (b - a) / n

The interval limits are not provided the interval is from a = -1 to b = 1.

Using the simple Simpson's rule formula, the approximation

I = (h / 3) × [f(a) + 4f(a + h) + f(b)]

calculate the approximation using n = 2 (which gives us three subintervals: -1 to -0.5, -0.5 to 0, and 0 to 1).

First, calculate h:

h = (1 - (-1)) / 2

h = 2 / 2

h = 1

evaluate the function at the interval limits and the midpoint of each subinterval:

f(-1) = s ×cos((-1)²+ 2) = s ×cos(1) =s × 0.5403

f(-0.5) = s ×cos((-0.5)² + 2) = s × cos(2.25) = s × -0.2752

f(0) = s × cos(0² + 2) = s ×cos(2) = s ×-0.4161

f(0.5) = s × cos((0.5)² + 2) = s × cos(2.25) = s ×-0.2752

f(1) = s ×cos(1² + 2) = s × cos(3) = s × -0.9899

substitute these values into the Simpson's rule formula:

I = (1 / 3) ×[s × 0.5403 + 4 × s ×-0.2752 + s × -0.4161]

I = (1 / 3) × [0.5403 - 1.1008 - 0.4161]

I = (1 / 3) × [-0.9766]

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Answer:

the answer is to this question is f(x)=46

Volume = (base area x heigh)/3

base area = 160m x 160m

base area = 25600 m²

Volume = (25600 m² x 91 m) / 3

Volume = 776533.333 m³

the volume is 776533.333 m³

Answer:

B.) 0, 0.5, 0.5, 0.5, 0.5, 0.5, 1, 1.5, 2.5

Step-by-step explanation:

From the box plot, we can obtain the 5 - Numbe summary and compare with the values in the options given :

Kindly note that each tick mark on the box plot is seperated by a unit of 0.25

Minimum = 0 (starting point of left whisker)

Lower quartile = 0.25 (start point of box)

Median = 0.5 (point in between the box)

Upper quartile = 1.25 (end point of the box)

Maximum = 2.5 (end point of right whisker)

In ascending order we have ;

0, 0.25, 0.5, 1.25, 2.5

The data which best matches the plot is 0, 0.5, 0.5, 0.5, 0.5, 0.5, 1, 1.5, 2.5

Answer:

\(3 \times \frac{1}{3 } + \frac{1}{2} \times - 12( \frac{1}{3} ) = \frac{1}{3} \)

Answer:

46

Step-by-step explanation:

Answer:

45.7, rounded, would be 46.

Answer:

Step-by-step explanation:

Since ( 1 , -1) is a point on the line 2x-(2a+5)y=5 we can substitute it into the equation to find a

We have

2(1) - (-1)(2a + 5) = 5

Multiplying two negatives make a positive

That's

2 + 2a + 5 = 5

2a + 7 = 5

Group like terms

Send the constants to the right side of the equation

That's

2a = 5 - 7

2a = - 2

Divide both sides by 2

That's

We have the final answer as

Hope this helps you

Answer:

x=1/2, y=4

Step-by-step explanation:

Double both sides of the top equation:

4x+6y=26

Now subtract boths sides of the second one from the first one:

(4x+6y) - (4x-y) = 26 - (-2)

7y = 28

so y = 4

4x-y=-2 so 4x-4=-2

4x=2

x=1/2

There are 11 letters in the word mathematics. The probability of selecting the letter "e" first is 1/11, which is approximately 0.091 in decimal form when rounded to the nearest thousandth.

This is because there is only one "e" in the word mathematics, and we are selecting one letter out of the 11 total letters.

To find the probability that the first letter is "e" in the word "mathematics," follow these steps:

1. Count the total number of letters in the word: There are 11 letters in "mathematics."

2. Count the occurrences of the letter "e": There is 1 "e" in "mathematics."

3. Calculate the probability: Divide the occurrences of "e" by the total number of letters.

Probability = (Occurrences of "e") / (Total number of letters) = 1 / 11

In decimal form and rounded to the nearest thousandth, the probability that the first letter is "e" in the word "mathematics" when arranged randomly is approximately 0.091.

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A flowchart of the diagonalization of a matrix would typically involve steps such as verifying if the matrix is diagonalizable, finding its eigenvalues and eigenvectors, constructing the diagonal matrix, and computing the similarity transformation.

A flowchart for the diagonalization of a matrix would typically start by checking if the matrix is diagonalizable. This involves verifying if the matrix has a complete set of linearly independent eigenvectors. If the matrix is diagonalizable, the flowchart would proceed to find the eigenvalues and eigenvectors. This can be done by solving the characteristic equation and finding the corresponding eigenvectors.

Once the eigenvalues and eigenvectors are obtained, the flowchart would move on to constructing the diagonal matrix. The diagonal matrix is formed by placing the eigenvalues along the diagonal and filling the remaining entries with zeros. Finally, the flowchart would include the step of computing the similarity transformation. This involves finding the matrix that transforms the original matrix into its diagonal form.

The flowchart would present these steps in a sequential and organized manner, allowing for a clear understanding of the diagonalization process. Each step would be represented by a specific symbol or shape, connected by arrows to indicate the flow of the process.

A flowchart of the diagonalization of a matrix would outline the steps involved in determining if the matrix is diagonalizable, finding eigenvalues and eigenvectors, constructing the diagonal matrix, and computing the similarity transformation. Such a flowchart helps visualize and understand the process of diagonalization, making it easier to follow and implement.

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Answer:

Step-by-step explanation:

Answer = 6 oranges

.39 x 6 = $2.34

The number of oranges Boubacar buys is 6 oranges

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 ,

The number of oranges a grocery store sells at $ 3.12 = 8 oranges

The number of oranges a grocery store sells at $ 1.00 =
The number of oranges a grocery store sells at $ 3.12 / 3.12

The number of oranges a grocery store sells at $ 1.00 = 8 / 3.12

Now ,

The number of oranges a grocery store sells at $ 2.34 = The number of oranges bought by Boubacar

The number of oranges a grocery store sells at $ 2.34 = ( 8 / 3.12 ) x 2.34

So ,

The number of oranges bought by Boubacar = ( 8 / 3.12 ) x 2.34

                                                                           = 8 x 0.75

                                                                           = 6 oranges

Hence , the number of oranges Boubacar buys is 6 oranges

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There are 144 ways to form a five-digit number that is divisible by 5 using the numerals 0, 1, 2, 3, 4, and 5 without repetition.

For the number to be divisible by 5, its units digit must be either 0 or 5. Since we cannot repeat digits, we have two cases to consider:

Case 1: The units digit is 0.

In this case, we have 5 choices for the units digit (0, 1, 2, 3, or 4). For the remaining four digits, we can choose them in 4! ways (i.e., 4 choices for the first digit, 3 choices for the second digit, 2 choices for the third digit, and 1 choice for the fourth digit).

Therefore, the total number of five-digit numbers that are divisible by 5 and have a units digit of 0 is:

5 × 4! = 120

Case 2: The units digit is 5.

In this case, we have only one choice for the units digit, which is 5. For the remaining four digits, we can choose them in 4! ways as before.

Therefore, the total number of five-digit numbers that are divisible by 5 and have a units digit of 5 is:

1 × 4! = 24

The total number of ways to form a five-digit number that is divisible by 5 without repeating digits is the sum of the numbers from both cases:

120 + 24 = 144

Therefore, there are 144 ways to form a five-digit number that is divisible by 5 using the numerals 0, 1, 2, 3, 4, and 5 without repetition.

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Therefore ,  95% confidence interval for the difference in mean mcls levels is 95% C.I = {4.0978 , 3.1423}.

In frequentist statistics, a confidence interval is a range of estimates for an unobserved parameter. The most frequent confidence level is 95%, while other levels, such 90% or 99%, are occasionally used for computing confidence intervals.

Here,

Given:

c= 1.95 M.E = 0.5 ,n=?,C.V=1.96

Using formula,

=> M.E = C.V + \(\frac{c}{\sqrt{n} }\)

=> 0.5 = 1.96 + 1.95/\(\sqrt{n}\)

=> 0.5 = 3.822/\(\sqrt{n}\)  

=> \(\sqrt{n}\)  = 3.822/0.5

=> \(\sqrt{n}\)  = 7.644

=> n =58.43

=> n ≈ 58

So, n = 64 , \(x^{'}\)=3.62,α=1.95

=> u = \(x^{'}\) ± C.V * α/\(\sqrt{n}\)

=> u = 3.62 ±  1.96 * 1.95/√64

=>  u = 3.62 ± 0.47775

=>  u = 3.62+ 0.47775 = 4.0978

 or u=3.62-0.47775 = 3.1423

95% C.I = {4.0978 , 3.1423}

Therefore ,  95% confidence interval for the difference in mean mcls levels is 95% C.I = {4.0978 , 3.1423}.

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the awnser is B x-2                    

Answer:

441/4

Step-by-step explanation:

Find the GCD of numerator and denominator

GCD of 1323 and 12 is 3

Divide both the numerator and denominator by the GCD

1323 ÷ 3

12 ÷ 3

Reduced fraction:

441/4

________

Hope this helps!

-Lexi

(a) ( x_{t+1}=\frac{1}{2} x_{t}+3 ), the solution to this difference equation is x_t = 2^t + 3, The difference equations in this problem are both linear difference equations with constant coefficients.

This can be found by solving the equation recursively. For example, the first few terms of the solution are

t | x_t

--- | ---

0 | 3

1 | 7

2 | 15

3 | 31

The general term of the solution can be found by noting that

x_{t+1} = \frac{1}{2} x_t + 3 = \frac{1}{2} (2^t + 3) + 3 = 2^t + 3

(b) ( x_{t+1}=-3 x_{t}+4 )

The solution to this difference equation is

x_t = 4 \cdot \left( \frac{1}{3} \right)^t + 4

This can be found by solving the equation recursively. For example, the first few terms of the solution are

t | x_t

--- | ---

0 | 4

1 | 5

2 | 2

3 | 1

The general term of the solution can be found by noting that

x_{t+1} = -3 x_t + 4 = -3 \left( 4 \cdot \left( \frac{1}{3} \right)^t + 4 \right) + 4 = 4 \cdot \left( \frac{1}{3} \right)^t + 4

The difference equations in this problem are both linear difference equations with constant coefficients. This means that they can be solved using a technique called back substitution.

Back substitution involves solving the equation recursively, starting with the last term and working backwards to the first term.

In the first problem, the equation can be solved recursively as follows:

x_{t+1} = \frac{1}{2} x_t + 3

x_t = \frac{1}{2} x_{t-1} + 3

x_{t-1} = \frac{1}{2} x_{t-2} + 3

...

x_0 = \frac{1}{2} x_{-1} + 3

The general term of the solution can be found by noting that

x_{t+1} = \frac{1}{2} x_t + 3 = \frac{1}{2} (2^t + 3) + 3 = 2^t + 3

The second problem can be solved recursively as follows:

x_{t+1} = -3 x_t + 4

x_t = -3 x_{t-1} + 4

x_{t-1} = -3 x_{t-2} + 4

...

x_0 = -3 x_{-1} + 4

The general term of the solution can be found by noting that

x_{t+1} = -3 x_t + 4 = -3 \left( 4 \cdot \left( \frac{1}{3} \right)^t + 4 \right) + 4 = 4 \cdot \left( \frac{1}{3} \right)^t + 4

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Answer:

a. (x² + y²)² = (x² - y²)² + (2xy)²

b. The conjecture works in all cases.

c. Sides of 119, 120, and 169

Step-by-step explanation:

a. Equation that models this conjecture

x² + y² = sum of squares

x² - y² = difference of square

  2xy = twice the product of the integers

If these are the sides of a right triangle then

(x² + y²)² = (x² - y²)² + (2xy)²

b. Test the conjecture

(i) Try x = 2, y = 1

(2² + 1²)² = (2² - 1²)² + (2×2×1)²

       5² = 3² + 4²

      25 = 9 + 16

(ii) Try x = 3, y = 1

(3² + 1²)² = (3² - 1²)² + (2×3×1)²

      10² = 8² + 6²

    100 = 64 + 36

(iii) Try x = 3, y = 2

(3² + 2²)² = (3² - 2²)² + (2×3×2)²

       13² = 5² + 12²

     169 = 25 + 144

The conjecture appears to work in all cases.

c. A possible triangle

We must have one side greater than 100. That means,  

x² > 100 or x >1 0.

                                      Let x = 12

                               One side = 12² + y²

                  The second side = 12² - y²

The third side must have 2xy > 100

                                        24y > 100

                                            y > 4.2

                                      Try y = 5

                              (12² + 5²)² = (12² - 5²)² + (2 × 12 × 5)²

                                       169² = 119² + 120²

So, one right triangle could have sides of 119, 120, and 169.

Furthermore, these sides have no common factors.

Check:

 169² = 119² + 120²

28561 = 14161 + 14400

28561 = 28561

The function that represents the number of minutes Alejandro drove to reach mile marker m is f(m) = 4(m - 136).

The function that represents the number of minutes Alejandro drove to reach mile marker m on his route is:
f(m) = 4(m - 136)
This is because he drove at a constant speed, so the time it took to reach each mile marker was the same. From the table, we can see that he drove 5 miles in 4 minutes, so his speed was 5/4 miles per minute. Using this speed, we can write the equation:
distance = rate x time
where distance is (m - 136) miles (the distance from his starting point to the mile marker m), rate is 5/4 miles per minute, and time is the number of minutes it took to drive that distance.
Solving for time, we get:
time = distance / rate = (m - 136) / (5/4) = 4(m - 136)

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Answer:

I think 60

Step-by-step explanation:

Answer:

c) 27.9

Step-by-step explanation:

Since MN is the midsegment ,

MN = (AB + CD)/2

21.1 = (AB + 14.3)/2

21.1*2 = AB + 14.2

AB = 42.2 - 14.2

AB = 27.9

Answer:

C

Step-by-step explanation:

the midsegment is equal to half the sum of the parallel bases, that is

\(\frac{1}{2}\) (AB + CD) = MN ( substitute values )

\(\frac{1}{2}\) (AB + 14.3) = 21.1 ( multiply both sides by 2 to clear the fraction )

AB + 14.3 = 42.2 ( subtract 14.3 from both sides )

AB = 27.9 cm