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omeli [17]
3 years ago
5

The volume of a rectangular prism is given by the formula V = lwh, where l is the length of the prism, w is the width, and h is

the height. Which expression represents the volume of the following rectangular prism?
Mathematics
2 answers:
Artemon [7]3 years ago
8 0
If the given are h =2x+9, l = x+2, w = 3x, then the answer is 6x^3+39x^2+54x

V = lwh
    = (2x+9)(x+2)(3x)
    = (2x^2 + 4x + 9x + 18)(3x)
    = 6x^3 + 12x^2 + 27x^2 + 54x
    = 6x^3 + 39x^2 + 54x
Alinara [238K]3 years ago
8 0

Answer:

C. 6x^3+39x^2+54x

Step-by-step explanation:

got it right on test

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ivolga24 [154]

Based on the information, there were initially 1200 ferns; the monthly percent rate of change is 68% and this situation is modeled by an exponential growth function

<h3>How to complete the information?</h3>

The given parameters from the question are:

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Where

n represent the number of months

An exponential growth function is represented as:

P(n) = a * (1 + r)^n

Where

a represents the initial value

r represents the rate

By comparison, we have

a = 1200

1 + r = 1.68

This gives

r = 0.68 = 68%

Hence, there were initially 1200 ferns; the monthly percent rate of change is 68% and this situation is modeled by an exponential growth function

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Jon makes a map of his neighborhood for a presentation. The scale of his map is 1 inch:125 feet, however Jon realizes that his m
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Answer:

1 inch:625 feet

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5 0
3 years ago
Ac=r+d for a solve equation for the indicated variable
konstantin123 [22]

\boxed{a=\frac{r+d}{c}}

<h2>Explanation:</h2>

Here we have the following expression:

ac=r+d

And the question asks for solving the equation for the variable a. So we need to divide both sides of the equation by c:

ac=r+d \\ \\ \frac{ac}{c}=\frac{r+d}{c} \\ \\ \\ But: \\ \\ \frac{c}{c}=1 \\ \\ \\ So: \\ \\ \boxed{a=\frac{r+d}{c}}

<h2>Learn more:</h2>

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Answer:

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Step-by-step explanation:

Your friendly local graphing calculator or spreadsheet can tell you the quadratic regression equation. It best matches choice A.

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If one of the short sides of a 45-45-90 triangle equals 5, how long is the hypotenuse?
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Answer:

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