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Ludmilka [50]
2 years ago
5

1.The diameter of a circle is 20m. Find the circumference to the nearest tenth

Mathematics
1 answer:
Temka [501]2 years ago
3 0

Answer:

62.8

Step-by-step explanation:

The formula for circumference is 2(pi)r

Let's plug in the values.

Well, we know the diameter, and since the radius is 1/2 the diameter, but then you multiply by 2 again, you don't have to change anything. Therefore, another formula is (pi)<em>d</em>

3.14 x 20

= 62.8 is your answer. And the answer is already rounded to the nearest tenth, so nothing is left to do!

<em>Hope this helps!</em>

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50 POINTS
ludmilkaskok [199]
The area of the composite figure can be calculate

120 pi x 5.1 1922.6547
1922.6547 divided by 7.4 =259.8182
259.8182 + 3.2 = 263.0182
6 0
2 years ago
Please help With this one will give a lot of points
AlladinOne [14]

Answer:

not really sure can’t see the problem to good but C?

Step-by-step explanation:

hope this helped tho. cross multiple (btw if you search it on google it will help you)

8 0
3 years ago
Read 2 more answers
I WILL AWARD BRAINLIEST!! PLEASE HELP!!
lara31 [8.8K]

Answer:

A(...; 7)

x =-1/5

B(8; ...)

y = 48

The slope is 5

Step-by-step explanation:

y−5x=8

A(...; 7)

We know that y=7, we need to find x

7 - 5x = 8

Subtract 7 from each side

7-7 -5x = 8-7

-5x =1

Divide by -5

-5x/-5 = 1/-5

x =-1/5

B(8; ...)

We know x = 8 we need to find y

y−5x=8

y - 5(8) = 8

y - 40 =8

Add 40 to each side

y-40+40 = 8+40

y = 48

Now we need to find the slope

y - 5x =8

Add 5x to each side

y -5x+5x = 5x+8

y = 5x+8

This is in the form y = mx+b  where m is the slope

The slope is 5

5 0
3 years ago
The O! Natural Company sells a juice 1-gallon Bottles. The current retail price of the juice is $3.50 for 1 gallon. In order to
vodomira [7]
I would say 19 because 300 is the right way
4 0
2 years ago
If 25% of a number is 12, what is 75% of that number?
snow_tiger [21]

Answer:

36

Step-by-step explanation:

\frac{0.25}{0.75} =\frac{12}{x} \\

0.75 *12=9

\frac{9}{0.25} =36

8 0
3 years ago
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