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Andrei [34K]
3 years ago
7

What is the area of r=5

Mathematics
2 answers:
Vlad1618 [11]3 years ago
8 0

Answer:

if you need the circumferance of a circle with a radious of 5, then it should be 31.42.

Step-by-step explanation:

myrzilka [38]3 years ago
7 0

Answer:

25pi or 78.5 units^2

Step-by-step explanation:

A = pi r^2

A = 25pi or 78.5

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Integers between -1and -5​
egoroff_w [7]
-2, -3, -4.

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5 0
3 years ago
Maggie's brother is 4 years younger than three times her age. The sum of their ages is 16.
bearhunter [10]

Answer:

Maggie is 5 years old

Step-by-step explanation:

3M-4+M=16

add 4 to both sides

4M=20

Divide both sides by 4

20/4 = 5

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7 0
4 years ago
when the temperature is 68 F, the speed of sound in air is approximately 343 meters per second. Approximately how many kilometer
Digiron [165]

Hello!

Since we are given that the speed of sound in the air travels about 343 meters per second, we can multiply 343 meters per second by 5, and then we convert the meters to kilometers.

343 · 5 = 1715 meters per 5 seconds.

1000 meters are equal to 1 kilometer. So, we can divide 1715 by 1000 to convert meters to kilometers.

1715 / 1000 = 1.715

Therefore, the speed of sound in air is about 1.715 kilometers per 5 seconds.

6 0
3 years ago
Read 2 more answers
Find the sum. Do not round.<br><br> 39.882 + 11.03 =
lukranit [14]
The answer is 50.912

3 0
4 years ago
Read 2 more answers
Algebra:please answer #1 and show work
Novay_Z [31]
So 12 mins to 600 feet
35 mins=1900 feet
find the slope which is change in top over change in bottom (aka slope) so to find do
(y1-y2)/(x1-x2)
we want, per minute, so put the time as x1 and x2
x1=12
y1=600
x2=35
y2=1900
subsitutte
(600-1900)/(12-35)=-1300/-23=56.5 per minute
the answe ris 56.5 feet per minute or the last answer
4 0
3 years ago
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