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Bas_tet [7]
2 years ago
9

ind the surface area of a sphere with a radius of 12 cm. Approximate as 3.14 and round your answer to the nearest hundredth

Mathematics
1 answer:
Bezzdna [24]2 years ago
5 0
The surface area of a sphere is:

A=4πr^2, if r=12 and π is approximated as 3.14 then

A≈4(3.14)(12^2)

A≈4(3.14)(144)

A≈576(3.14)

A≈1808.64 cm^2
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Graph the numbers that are solutions to both inequalities below.
aleksklad [387]

Answer:

3x>12 2x/3 ≤ 6

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3 0
2 years ago
1. What is the difference between –4 and 6?
Alexandra [31]
1.Choice 4: 10
2. Choice 1: Add 5.2 to both sides if the equation.
4 0
3 years ago
Read 2 more answers
Area=<br> Help me please!! Thanks :)
Savatey [412]

Answer:

80π

Step-by-step explanation:

Circle O with radius IO:

large radius = IO = 12 = R

Circle O with diameter JK

IJ = JK = KL = 2 × IO = 24

IJ = JK = KL = 24/3 = 8

small radius = 8/2 = 4 = r

The shaded area is a semicircle of radius 12 minus a semicircle of radius 4 plus two semicircles of radius 4.

That is the same as

1 semicircle of radius 12 plus 1 semicircle of radius 4

A = πR²/2 + πr²/2

A = π(12² + 4²)/2

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8 0
2 years ago
Which expression below is equivalent to -3x+5(x+2)
kari74 [83]

Answer:


                                         Step-by-step explanation:

1.) Apply the distributive law

                5x + 5 * 2

2.) Multiply the numbers

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3.) Group like terms

                 5x - 3 + 10

4.) Add/subtract the numbers

                  -3 + 10 = 7 is equivalent to 5x + 7




4 0
3 years ago
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jeka94

Answer:

18

Step-by-step explanation:

I hope this helps

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