3 years ago

What is the radius of a circle with an area of 32.1 square feet

1 answer:

6 0

3.2 is the answer.

If you want to learn the steps to the process
just copy and paste this "how to find the radius of a circle with an area."

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Can you help me with these too? its for a geometry final practice plisss

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The answer is C because my friend has told me it.

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Find four numbers proportional to the numbers 2, 4, 5, and 6 if the difference between the sum of the two last numbers and the s

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Number 1 wants you to set up proportions so four numbers equal to 2/1 would be: 6/3 8/4 10/5 12/6, and so on. I'm not sure what they're asking when they say the sum of the first two numbers is equal to 4.8

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What is the measure of ABC A. 63 B. 126 C. 44 D. 82

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2 years ago

Solve 5r2 – 12 = 68. {±4} {±5} {±3} {±6}

sashaice [31]

Hey there!

Assuming you meant

$5r^2 - 12 = 68$

If so, follow these steps so it can be a little bit easier to solve

Firstly, we have to $add$ by $12$ on each of your sides

$5r^2 -12 +12 \\ \\ 68 + 12$

$5r^2 = 5r^2 \\ \\ 68 + 12 = 80$

We get: $5r^2 =80$

Now, we have $divide$ by $5$ on each of your sides

$\frac{5r^2}{5} = \frac{80}{5}$

$\frac{80}{5} = 16$

We get: $r^2 = 16$

$r =$ ± $\sqrt{16}$

Therefore , your answer is: $r =$ ± $4$

Good luck on your assignment and enjoy your day!

~ $LoveYourselfFirst:)$

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3 years ago

Derek spends three dollars on breakfast and $5.50 on lunch every school day how much does he spend on breakfast and lunch in a s

maks197457 [2]

(3+5.50)5

8.50*5=42.5

Derek spends $42.50 each school week.

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