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Kisachek [45]
3 years ago
13

Vanessa bakes a rectangular cake that is 9 inches wide,13 inches long and 2 inches high. She removes the cake from the pan to fr

ost it. How many square inches of frosting does she need?
a)144 in2
b)205 in2
c)234 in2
d)322 in2
Mathematics
1 answer:
TEA [102]3 years ago
4 0
This is a rectangular cake, and there are 3 measurements, meaning that you are evidently finding volume.

Let's go back, first off, the formula for volume is...

V = L x W x H (Length, Width, Height)
Your measurements are 9 in, 13 in, 2 in.

All you need to do is follow the formula and multiply them.

9 x 2 = 18
18 x 13 = 234 in^{2}

Your answer is C: 234 in^{2}

Hope this helps!
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33.For a car traveling at a constant speed, the distance driven, d
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Given:

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To find:

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Using it's formula, the average rates of change are given as follows:

a) 30 meters per second.

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<h3>What is the average rate of change of a function?</h3>

The average rate of change of a function is given by the <u>change in the output divided by the change in the input.</u> Hence, over an interval [a,b], the rate is given by the following equation:

r = \frac{f(b) - f(a)}{b - a}

For item a, taking the data from the table, we have that:

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Hence the rate is given as follows:

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For item b, taking the data from the table, we have that:

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Hence the rate is given as follows:

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More can be learned about the average rate of change of a function at brainly.com/question/11627203

#SPJ1

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1 year ago
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Read 2 more answers
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