A swimming pool is 65.25 feet long and 40.5 feet wide. How much longer is the pool than it is wide

1 answer:

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As is feet is 24,75 longer.

As a ratio the pool is x 1.6 times longer than the width of the pool!

To find out the ratio you divide l / w

65.25/40.5=1.61 times longer

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Which two points in the graphed function have an average rate of change of 5?

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Answer:

B. points A and B

Step-by-step explanation:

"Rate of change" is just a fancy name for slope.

The question asks for points on the graph having a slope of 5. We know a slope of 5 is a positive (goes up from left to right) and it's quite steep.

By looking at the graph, we see that to have a slope of 5, it has to take place in the first half of the graph.

Let's look at the possible options:

A. Points D and F: From point D to point F, you're going down, so the slope is negative. NO

B. Points A and B: goes up, pretty steep. Let's calculate the slope.

Point A: (2,1), Point B: (3,6)

Slope = (6 - 1) / (3 - 2) = 5 / 1 = 5

We found it!

C. Points B and C: goes up, pretty steep too. Let's calculate the slope:

Point B: (3,6) , Point C: (4,9)

Slope = (9 - 6) / (4 - 3) = 3 / 1 = 3, NO, not the slope we're looking for

D. Points C and E: goes down, NO, not what we want.

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