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3 years ago

9

If the circumference of a round barn is 56 meters, what is the diameter of the barn to the nearest whole meter ? Use 3.14 pi

1 answer:

Radda [10]3 years ago

6 0

To calculate a circle's diameter from its circumference, you divide the circumference by the constant pi. So 56 divided by 3.14, which equals 17.83439490445859872611464968152866242. Round that to the nearest whole meter, you get 18 meters. Therefore, the diameter of the barn is 18 meters.

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Answer:

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Step-by-step explanation:

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Answer:

$Highway = 155\ miles$

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Step-by-step explanation:

Given

$Highway = 31mi/gallon$

$City = 26mi/gallon$

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Required

Determine the number of miles driven on the highway and on the city

Represent the gallons used on highway with h and on city with c.

So, we have:

$c + h = 10$ ---- gallons used

and

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In the first equation, make c the subject

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Substitute 10 - h for c in the second equation

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Open bracket

$31h + 260 - 26h = 285$

Collect like terms

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Make h the subject

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If in the highway, he travels 26 miles per gallon, then his distance on the highway is:

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Answer:

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never [62]

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