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3 years ago

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A beach volleyball court is 9 meters wide and 17 meters long. The rope used for the boundary line costs $4.00 per meter. How muc

h would it cost to buy a new boundary line for the court?

1 answer:

mojhsa [17]3 years ago

7 0

I believe it should be 36.00$
Since the court is 9 meters wide we would have to multiply that by 4 because each meter is 4$

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Use elimination to find the solution to the system of equations. 4x+2y=34 5x-6y=34

Colt1911 [192]

Answer:

Let's solve for x.

4x+2y=345x−6y

Step 1: Add -345x to both sides.

4x+2y+−345x=345x−6y+−345x

−341x+2y=−6y

Step 2: Add -2y to both sides.

−341x+2y+−2y=−6y+−2y

−341x=−8y

Step 3: Divide both sides by -341.

−341x

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Step-by-step explanation:

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2 years ago

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Answer: 0.49 ± 0.0237

Step-by-step explanation: A interval of a 99% confidence interval for the population proportion can be found by:

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$p_{hat}$ is the proportion:

$p_{hat}$ = $\frac{1455}{2957}$

$p_{hat}$ = 0.49

For a 99% confidence interval, z = 2.576:

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0.49 ± 2.576. $\sqrt{\frac{0.49*0.51}{2957} }$

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0.49 ± 0.0237

For a <u>99% confidence interval</u>, the proportion will be between 0.4663 and 0.5137 or 0.49 ± 0.0237

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3 years ago

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bekas [8.4K]

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