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iren [92.7K]
3 years ago
11

Does anyone know how to calculate the volume of a sphere

Mathematics
2 answers:
marshall27 [118]3 years ago
3 0

Answer:

V=4 /3 times pie(3.14) times r^3

Step-by-step explanation:

Readme [11.4K]3 years ago
3 0

Answer:

Volume of a sphere is

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

where r = radius

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Answer:

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412/12 = 34.3

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For the function given, state the middle line; f(t) = 40cos (80t + 20)
Digiron [165]

In the standard form of the equation

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f(t) = 40cos (80t + 20)

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3 years ago
Tutor O-Rama claims that their services will raise student SAT math scores at least 50 points. The average score on the math por
Novosadov [1.4K]

Answer:

See below

Step-by-step explanation:

The score increase was 35 points. They claimed an increase of at least 50 points.  For a significance level of 5%, the z-score for the situation needs to be at smaller than -1.645.  For a significance level of 1%, the z-score needs to be smaller than -2.325

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The average score of 385 of Tutor O-Rama scores is not significantly different from the average of the other students SAT scores.  The evidence doesn't support their claim of being effective tutoring.

 

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Answer:

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