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3 years ago

The property is 382 meters long and 89 meters wide. What is the area of the property?

Mathematics

1 answer:

kogti [31]3 years ago

8 0

382x89= 33,998

Area= 33,998

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Write each percent as a fraction in simplest form?<br><br> 1. 75%

dem82 [27]

Answer:

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Step-by-step explanation:

As a decimal, 75% is 0.75, which is 3/4

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3 years ago

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3 years ago

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tankabanditka [31]

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3 years ago

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2 years ago

Read 2 more answers

If a paper plane is thrown from the top of a 147-foot cliff into the water below, the height of the plane at any given time can

sasho [114]

Answer:

c. 6.5 seconds.

Step-by-step explanation:

We have been given that a a paper plane is thrown from the top of a 147-foot cliff into the water below, the height of the plane at any given time can be determined by the formula $h = -3t^2+147$ , where h is the height of the plane at t seconds.

To find the time, when plane will be at a height of exactly 20.25 feet, we will substitute $h=20.25$ in our given formula and solve for t as:

$20.25= -3t^2+147$

$-3t^2+147=20.25$

$-3t^2+147-147=20.25-147$

$-3t^2=-126.75$

$\frac{-3t^2}{-3}=\frac{-126.75}{-3}$

$t^2=42.25$

Take square root of both sides:

$t=\pm \sqrt{42.25}$

$t=\pm 6.5$

Since time cannot be negative, therefore, the plane will be at a height of exactly 20.25 feet after 6.5 seconds and option 'c' is the correct choice.

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3 years ago