3 years ago

Please help kinda stuck

Mathematics

2 answers:

Leni [432]3 years ago

7 0

I believe your answer is 132

Artist 52 [7]3 years ago

4 0

I think the answer is 132

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Molodets [167]

Answer:

it's 6

Step-by-step explanation:

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3 years ago

A sphere has a diameter of 12.5 inches. What is the surface area of the sphere? 50π in² 156.25π in² 625π in² 2604.17π in²

Advocard [28]

Hello!

To find the surface area of a sphere you use the equation

$A = 4 \pi r^{2}$

A is surface area
r is radius which is half the diameter

Put in the values you know

$A = 4 \pi 6.25^{2}$

Square the number

$A = 4 \pi 39.0625$

Multiply the 4 and the 39.0625

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The answer is $B) 156.25 \pi in^{2}$

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3 years ago

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ololo11 [35]

I think it's four?...

6 0

3 years ago

Is (4,1), (5.1), (6,1), 7,1) a function?

sergeinik [125]

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yes.

Step-by-step explanation:

each x value is used once and never repeated.

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4 years ago

Two cans of paint and 1 brush cost $37. Four cans of paint and 3 brushes cost $81. Find the cost of one can of paint.

weeeeeb [17]

2c + b = 37 ....multiply by -3
4c + 3b = 81
------------------
-6c - 3b = - 111 (result of multiplying by -3)
4c + 3b = 81
------------------add
-2c = - 30
c = -30/-2
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and it costs $ 7 for each brush

8 0

4 years ago