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AURORKA [14]
2 years ago
9

A welder is making a metal sphere. The diameter will be 130 inches. What is the surface area of the metal sphere? Use 3.14 for π

and round to the nearest tenth.
Mathematics
1 answer:
IgorLugansk [536]2 years ago
8 0

Answer:

53092.92 square inches

Step-by-step explanation:

Surface Area of a Sphere = 4πr2

Radius = ½D = 130÷2 = 65

4 × 3.14 × 65² = 53092.92

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Carrie has $5.50 saved. She wants to buy a book that costs $15.00, including tax. Carrie plans to save $1.25 cach Friday What is
aev [14]

Answer:

Step-by-step explanation:

15 + t

t= tax

16-5.50 = 10.5

10.5 / 1.25 is around 8.4

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What can you do to make 50 into 15. And do the same thing to 60 so they can both be divided equally because they are not the sam
Virty [35]
Simplify the numbers
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5 10 15 20 25 30 35 40 45 50 55 60
4 0
4 years ago
Arithmetic, geometric, or neither?
Tomtit [17]

Answer:

1st)  geometric

2nd)  arithmetic

3rd)  arithmetic

Step-by-step explanation:

Geometric = you multiply or divide to get the next term

Arithmetic = you add or subtract to get the next term

1st)  you times by 3 to get next term = geometric

2nd)  you add one to get next terms = arithmetic

3rd) you add 4 to get next term = arithmetic

3 0
3 years ago
PLEASE PLEASE HELP ME?!?!!? PLEASSEE I ONLY HAVE 2 QUESTIONS!!!
Nonamiya [84]
<h3>Answer:</h3>
  1. d. The y-intercept is 1 space higher.
  2. a. 9 to the power of -1/2
<h3>Step-by-step explanation:</h3>

1. Changing f(x) to f(x) + 1 adds 1 to every output value of the function, moving that value "1 space higher". This is true for the y-intercept, too.

___

2. The rules of exponents apply:

  • a^b · a^c = a^(b+c)
  • 1/a^b = a^-b

You apparently want to simplify ...

... 9^(1/4) × 9^(1/2) / 9^(5/4)

... = 9^(1/4 + 1/2 - 5/4)

... = 9^((1+2-5)/4)

... = 9^(-2/4) = 9^(-1/2)

7 0
3 years ago
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