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trapecia [35]
2 years ago
14

Which table represents a proportional relationship that has a constant of proportionality equal to 0.8?

Mathematics
1 answer:
Andrej [43]2 years ago
5 0

Answer:

Column #1 - 0,5,10,12.5

Column #2 - 0.8

Step-by-step explanation:

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A new Community Center is being built in Oak Valley. The perimeter of the rectangular playing field is 382 yards. The length of
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Answer:

The width is 50 yards and the length is 141 yards.

Step-by-step explanation:

Let's call: L the length of the field and W the width of the field.

From the sentence, the perimeter of the rectangular playing field is 382 yards we can formulate the following equation:

2L + 2W = 382

Because the perimeter of a rectangle is the sum of two times the length with two times the width.

Then, from the sentence, the length of the field is 9 yards less than triple the width, we can formulate the following equation:

L = 3W - 9

So, replacing this last equation on the first one and solving for W, we get:

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8W = 382 + 18

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Replacing W by 50 on the following equation, we get:

L = 3W - 9

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So, the width of the rectangular field is 50 yards and the length is 141 yards.

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