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Serhud [2]
3 years ago
9

Find the surface area of a basketball with a diameter of 10 in.

Mathematics
1 answer:
horrorfan [7]3 years ago
3 0

Answer:

100 pi in ^2

Step-by-step explanation:

The surface area of a sphere is

SA = 4 pi r^2

   We need to find the radius

r = d/2 = 10/2 =5

 SA = 4 * pi * (5)^2

       = 4 * pi *25

       = 100 pi in ^2

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5 = 4a - 7<br> 3 - 8c = 35<br> -1/2x -7 = -11<br> Solve this please.
Hitman42 [59]

Answer:

a=3, c=-4, x=8

Step-by-step explanation:

5=4a-7

4a-7=5

4a=5+7

=12

a=12÷4

=3

3-8c=35

-8c=35-3

=32

c=-32÷8

=-4

-1/2x-7=-11

-1/2x=-11+7

=-4

x=4÷1/2

=4/1×2/1

=8

3 0
3 years ago
A bag contains 3 yellow, 1 red, 2 green beads. Charlene draws a bead, keeps it out, then draws another bead. What’s the probabil
CaHeK987 [17]
Charlene had more green then red.

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Hope this helps....
5 0
3 years ago
Geometry help!! Find x and y.
MrRa [10]
The last answer is correct
x= 45 degrees
y= 10.9sqrt2
6 0
2 years ago
Read 2 more answers
Order the equations from least to greatest based on the number of solutions to each equation.
aleksandrvk [35]

In order it  goes like this

- 4^ x - 1 = 3^ (-x) - 2

- 3 x + 6 = 2^ x + 1

3^ x - 3 = 2 x - 2

so the question is the answer

3 0
3 years ago
How do you solve this can someone help me pls
horrorfan [7]

Answer:

x-8°+20°= 90°

=>x+12°=90°

=>x=90°-12°

=>x= 78°

5 0
3 years ago
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