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Yanka [14]
2 years ago
7

Find the area of a circle with a diameter

Mathematics
2 answers:
Maslowich2 years ago
6 0

To get the answer divide the diameter by two, so you can get the radius. So plug it into the formula A=π 8²=π (8²)=64π =200.96 and for multiplying pie I just used 3.14 instead the entire number so I could get it  by having the decimal in the hundredths place.

koban [17]2 years ago
6 0
64 pi. Half of 16 is 8 and 8 squared is 64.
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A robot is expected to filter pollution out of at least 350 liters of air and water. It filters air at the rate of 50 liters per
s2008m [1.1K]

Answer:

20W+50A\geq 350

Step-by-step explanation:

we are given that A robot is expected to filter pollution out of at least 350 liters of air and water.

Also It filters air at the rate of 50 liters per minute, and it filters water at the rate of 20 liters per minute.

The inequality for  number of minutes the robot should filter air (A) and water (W) to meet this expectations can be writte as follows:

20W+50A\geq 350

Hence the required inequality has been formulated.

4 0
2 years ago
Read 2 more answers
Clear parenthesis and combine like terms.<br><br> -2(x-4) -3(x+2y)<br><br> Show all the work.
Helen [10]

Answer:

-5x - 6y + 8

Step-by-step explanation:

-2(x - 4) -3(x + 2y)

-2x + 8 - 3x - 6y

-5x - 6y + 8

Hope this helps!

4 0
3 years ago
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Given that the measure of ∠x is 90°, and the measure of ∠y is 64°, find the measure of ∠z.
AURORKA [14]

Answer:

<h2><u>26°</u></h2>

Step-by-step explanation:

Assuming that your figure is a triangle, we should keep in mind that all the interior angles of a triangle add up to 180°, always.

So, we have the values of angles x and y as 90° and 64°.

90 + 64 = 154°  ⇒ Add them up.

Now, subtract 154 from 180 to get ∠z.

180 - 154 = <u>26°</u>

5 0
3 years ago
which of the following fractions are equivalent? 3/4 and 6/7. 2/3 and 12/13. 1/9 and 4/12. 1/6 and 3/18
sertanlavr [38]

Answer:

1/6 and 3/18

Step-by-step explanation:

I used the butterfly method to compare all the fraction pairs together and then 1/6 and 3/18 were equal. Hopefully I can help you.

8 0
2 years ago
How many solutions does 7(2x-2)=7x+14 have?
lyudmila [28]

it has only one solution

3 0
3 years ago
Read 2 more answers
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