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Gnom [1K]
3 years ago
8

9. Find the volume of the sphere if the radius is 12.4 in. Round to the nearest tenth.

Mathematics
1 answer:
d1i1m1o1n [39]3 years ago
6 0

Answer:

V=7982.4 in

Step-by-step explanation:

V=4/3pi*r^3

V=4/3pi*12.4^3

V=4/3pi*1906.62

V=7626.48/3pi

V=2542.16pi

V=2542.16*3.14

V=7982.4

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Dennis_Churaev [7]

Answer:

answer is below

Step-by-step explanation:

3/8x(how much money she had)= 30

So, Mary originally had $80.

7 0
3 years ago
If apples cost £1.25 per killogram. How much will 6 kilogram cost?
pochemuha
Your answer will be 7.50. What I did was take 1.25 and times it by 6. 
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nordsb [41]

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7 0
2 years ago
Find the x-intercept of the parabola with vertex (1,-13) and y-intercept (0,-11).
Advocard [28]
1. find equation

general solutions are:
y = a x^{2} +bx +c \\ \\ \frac{dy}{dx} = 2ax +b

for P(0,-11)

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for p(1,-13)
-13 = 1a + 1b -11 \\ a+b = -2

and

0 = 2a + b \\ b = -2a

solve for a and b:
a - 2a = -2 \\ a = 2 \\ b = -4

the total equation is now:

y = 2 x^{2} -4x -11

To find the x-intercept set y=0 and solve for x

0 = 2 x^{2} -4x-11
4 0
3 years ago
Read 2 more answers
Please please help!!!!
I am Lyosha [343]

Answer:

4.75

Step-by-step explanation:

4 0
2 years ago
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