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Tasya [4]
3 years ago
15

The amount of Jen’s monthly phone bill is normally distributed with a mean of $75 and a standard deviation of $8. What percentag

e of her phone bills are between $51 and $99?
A. 99.7%
B. 95%
C. 99.99%
D. 68%
Mathematics
1 answer:
nikklg [1K]3 years ago
8 0
Answer:a is the answer
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The diameter of a sphere is 6 ft. Find the exact volume of the sphere.
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Answer:

V ≈ 113.1ft³

Step-by-step explanation:

the answer is V ≈ 113.1ft³.

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yanalaym [24]
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Artemon [7]
The lateral area of the prism is given by:
LA=[area of the two triangles]+[area of the lateral rectangles]
hypotenuse of the triangle will be given by Pythagorean:
c^2=a^2+b^2
c^2=6^2+4^2
c^2=52
c=sqrt52
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The total are will be given by:
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=32 in^2
thus;
T.A=32+129.69
T.A=161.69 in^2

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