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Vinil7 [7]
3 years ago
6

Find the volume of a frustum of a right circular cone with height 25, lower base radius 32 and top radius 15.

Mathematics
1 answer:
mrs_skeptik [129]3 years ago
8 0
The answer is 45265 hope this helps
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Kelly took 12 pictures at school on Tuesday. She took 7 pictures at lunch and 5 pictures at recess. If she randomly selects a pi
goblinko [34]
D.  5/12 is your answer
3 0
3 years ago
Determine the sample size needed to construct a 99​% confidence interval to estimate the average GPA for the student population
Volgvan

Answer: n = 14

Step-by-step explanation: margin of error = critical value × σ/√n

Where σ = population standard deviation = 1

n = sample size = ?

We are to construct a 99% confidence interval, hence the level of significance is 1%.

The critical value for 2 tailed test at 1% level of significance is gotten from a standard normal distribution table which is 2.58

Margin of error = 0.7

0.7 = 2.58×1/√n

0.7 = 2.58/√n

By cross multipying

0.7×√n = 2.58

By squaring both sides

0.7^2 × n = 2.58^2

0.49 × n = 6.6564

n = 6.6564/0.49

n = 14

3 0
3 years ago
Can you helo please !!!!
Maurinko [17]

The answer for your question is B

4 0
3 years ago
You are given that a wheel has a radius of 2 feet and a spin rate of 10 revolutions per minute. Describe how you would determine
igomit [66]

Answer:

2.09.ft/min

Step-by-step explanation:

There is a formula for the linear velocity using rpm:

V = (2π)/60 * r * rpm

V = (2π)/60 * 2ft * 10 = 2.09ft/min

4 0
2 years ago
Read 2 more answers
What does the fundamental theorem of algebra and its corollary tell you about the roots of the polynomial equation p(x)=0 where
denis23 [38]

Answer:

A polynomial with complex coefficients of degree n has n complex roots, counted with multiplicity.

Step-by-step explanation:

We are given a polynomial p(x) in the question with degree n.

The degree n means the n is the highest power of variable in the given polynomial.

The equation:

p(x) = 0

Fundamental theorem of Algebra

  • The Fundamental theorem of Algebra states that a a polynomial of degree n will have n roots of the equation.

This can further be explained as:

  • A polynomial with complex coefficients of degree n has n complex roots, counted with multiplicity.
3 0
3 years ago
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