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aev [14]
2 years ago
9

What is the volume of a sphere with a diameter of 6.3 rounded to the nearest tenth

Mathematics
2 answers:
Ede4ka [16]2 years ago
5 0

Answer:

Volume of sphere = 130.9cm³

Step-by-step explanation:

Formula :

\frac{4}{3} \times  \pi \:  \times r^{3}

We need the radius. 6.3 ÷2=3.15

\frac{4}{3}  \times \pi \times 3.15 ^{3}

=130.924303cm³

rounded to the nearest tenth

=130.9cm³

Reptile [31]2 years ago
4 0
The answer is 4.................
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Solve the measure of an angle is 161°. what is the measure of a supplementary angle?
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Supplementary angles sum up to 180°, suppose the supplement of 161° is x. Then
161+x=180
solving for x we subtract 161 from both sides
161-161+x=180-161
x=19
thus the supplement is 19°


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What is the general equation of a sine function with an amplitude of 6, a period of StartFraction pi Over 4 EndFraction, and a h
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Answer:

C: y = 6 \sin (8(x-\frac{\pi}{2} ))

Step-by-step explanation:

Amplitude is changed by multiplying the entire trig function by a number, by default the amplitude is 1, so multiplying by 6 is necessary; eliminate A and B

Horizontal shift is going through the x axis, so it must be subtracted from the x value. This is only seen in choice C of the remaining answers.

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3 0
2 years ago
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Solve x^(2)+4x=4 for x by completing the square.
Mama L [17]

Answer:

x = 2 sqrt(2) - 2 or x = -2 - 2 sqrt(2)

Step-by-step explanation:

Solve for x:

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Subtract 2 from both sides:

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