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Stolb23 [73]
3 years ago
14

5-1.

Mathematics
1 answer:
liq [111]3 years ago
6 0

Answer:

If you mean y = 4x + 5, then the answer is 5 (the height would be 5 feet)

Step-by-step explanation:

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Derek wants to determine the height of the top of the backboard on the basketball goal at the playground. He places a standard 1
s344n2d4d5 [400]

Answer:

10.2 feet.

Step-by-step explanation:

We have been given that Derek places  a standard 12-inch ruler next to the goal post and measures the shadow of the ruler and the backboard. If the ruler has a shadow of 10 inches. We are asked t find the height of the backboard, if the backboard has a shadow of 8.5 feet.

We will use proportions to solve our given problem as ratio between sides ruler will be equal to ratio of sides of background.

\frac{\text{Actual height of ruler}}{\text{Shadow of ruler}}=\frac{\text{Actual height of backboard}}{\text{Shadow of backboard}}

\frac{12}{10}=\frac{\text{Actual height of backboard}}{8.5}

\frac{12}{10}*8.5=\frac{\text{Actual height of backboard}}{8.5}*8.5

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4 years ago
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