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aniked [119]
3 years ago
11

The radius of a circle is 2 m. Find the circumference to the nearest tenth.

Mathematics
1 answer:
Y_Kistochka [10]3 years ago
6 0

Answer:

25.13 or 25.1

Step-by-step explanation:

2 x pi/3.14x4

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7. A sphere has a volume of 361 in. Find the<br>radius of the sphere.​
Dahasolnce [82]

Answer:

r =  4.417

Step-by-step explanation:

in order to calculate the radius of a sphere

given  that

volume of sphere = 361

π = 3.14

radius = ?

recall that the volume of a sphere = 4/3 πr³

361 = 4 /3 × 3.14 × r³

361 = 12.56r³/3

cross multiply

361 × 3 = 12.56r³

1083 = 12.56r³

divide both sides by 12.56

1083/12.56 = 12.56r³/12.56

86.226 = r³

find the cubic root of both sides

r = ∛86.226

r =  4.417

therefore the radius of the sphere is evaluated to be  4.417

7 0
3 years ago
Please Help me solve for x<br> 3x-m=10
Triss [41]

Answer:

x=(10+m)/3

Step-by-step explanation:

3x-m=10

3x=10+m

x=(10+m)/3

8 0
3 years ago
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Difference between rajarshi janak university and lumbini university​
aliina [53]

Answer:

whatttt!!!!!!!!!!

Step-by-step explanation:

8 0
3 years ago
There are 3 seventh-grade boys, 4 seventh-grade girls, 5 eighth-grade boys, and 8 eighth-
AURORKA [14]

Answer:

the answer would be 2/5

Step-by-step explanation:

you add up all of the boys to get 8

there are, in total 20 students that can be chosen, so there is an 8/20 chance that it would be a boy, simplified that is 2/5

8 0
3 years ago
Peri spent 40% of her money on books and 50% of the rest on toys. She has $21. How much money did she have first.
Vlad1618 [11]
40/100 + 50/100 = 90/100

il lui reste  10/100 ou 21 $

10 % = 21 $
100 % = 210 $
6 0
3 years ago
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