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ankoles [38]
3 years ago
15

What is the radius of a sphere with a surface area of 100 pi cm2

Mathematics
2 answers:
deff fn [24]3 years ago
7 0
I think it is around 23
Ksenya-84 [330]3 years ago
6 0
The surface area of a sphere is 4r^2pi, so dividing 100 by 4pi gives a result of 25/pi.  Taking the square root and rationalizing the denominator, we have 5sqrt(pi)/pi as the radius of the sphere.
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Christine deposits $700 into an account that pays simple interest at a rate of 2 per year. How much interest will she be paid in
xxMikexx [17]

Answer:

$56

Step-by-step explanation:

A=P(1+i.n)

A is final amount

P is amount deposited

i is interest rate

n is number os years

A = $700(1+2%×4)

=$756

$756-$700=$56

7 0
3 years ago
In this figure, AB || CD and mZ3 = 120°.<br> What is mZ6?<br> (Look at picture”
Lerok [7]

Answer:

60°

Step-by-step explanation:

m3 = m1 = m5 = 120°

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= 60°

4 0
2 years ago
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alexandr402 [8]

The equation is y =(4/5)x -6

6 0
3 years ago
Read 2 more answers
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boyakko [2]
X => -8 -6 -8 3
y => 33 31 39 33
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8 0
3 years ago
F(x) = 3x + 1<br> f(2)=?
ANEK [815]

Answer: 7

Step-by-step explanation:

f(x) 3x+1

f(2) = 3(2) +1

f(2) = 6+1

     = 7

7 0
3 years ago
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