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kap26 [50]
3 years ago
11

What is the radius of a sphere that has a surface area of 951.1 in2?

Mathematics
2 answers:
Archy [21]3 years ago
8 0

Answer:

The answer is D. 8.7

Step-by-step explanation:

A=4πr2

Solving fore

r=1

2A

π=1

2·951.1

π≈8.69978in

dusya [7]3 years ago
4 0

Answer:

FORMULA FOR SURFACE AREA OF SPHERE = 4 pi r^2  

r = 6 " area = 4 pi X 6 X 6 = 144 pi " squared  

r = 12 "  

area = 4 X pi X 12 X 12 = 576 pi" squared  

ANSWER Area will be 4 times the original

Step-by-step explanation:

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Multiply.Express your answer in standard form.(3 points)(x² -4x + 3)(-3x²+ 7x –1)
bija089 [108]

Answer:

-3x^{4} + 19x^{3} - 38x^{2} + 25x - 3

Step-by-step explanation:

1) distribute x² into (-3x² + 7x - 1) to get: -3x^{4} + 7x³ - x²

2) distribute -4x into (-3x² + 7x - 1) to get: 12x³ - 28x + 4x

3) distribute 3 into (-3x² + 7x - 1) to get: -9x² + 21x - 3

4) combine all the answers together into one equation:

-3x^{4} + 7x³ - x² + 12x³ - 28x² + 4x - 9x² + 21x - 3

5) combine like terms:

7x³ + 12x³ = 19x³

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6) combine answers together into one equation:

-3x^{4} + 19x³ - 38x² + 25x - 3

3 0
3 years ago
Evaluate the following integral in cylindrical coordinates triple integral 1/(1+x^2+y^2) dzdxdy z=0..2 y=0..square root(1-x^2) x
sertanlavr [38]

In cylindrical coordinates, we take

x=r\cos\theta

y=r\sin\theta

z=z

so that \mathrm dx\,\mathrm dy\,\mathrm dz=r\,\mathrm dr\,\mathrm d\theta\,\mathrm dz.

We have

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and the integral is

\displaystyle\int_0^2\int_0^\pi\int_0^1\frac r{1+r^2}\,\mathrm dr\,\mathrm d\theta\,\mathrm dz=\frac{\ln2}2\int_0^2\int_0^\pi\mathrm d\theta\,\mathrm dz=\boxed{\pi\ln2}

8 0
3 years ago
Can someone help please
crimeas [40]
Answer is 5 because the other sides are 9 each
7 0
3 years ago
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The sum of 5x and 2xis at least 14 as a inequality
vesna_86 [32]

Answer:

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The product of x and y is less than 4 as an inequality is: x * y < 4

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
В субботу музейный комплекс «Старый Орхей» посетили 3 группы по 30 туристов ,а в воскресенье —5 групп по 30 туристов.Сколько все
cricket20 [7]
Во-первых, вы должны умножить 3 и 30. Это дает 90. Затем умножить 5 и 30. Это дает 150. Наконец, сложите вместе, чтобы получить 240. 240 туристов.

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8 0
4 years ago
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