subject
Mathematics, 29.09.2019 01:20 anglacx5465

Acylindrical metal pipe has a diameter of 20 millimeters and a height of 21 millimeters. a cylindrical hole cut out of the center has a radius of 6 millimeters.

which expressions represent the volume of metal needed, in cubic millimeters, to make the pipe? check all that apply.

21π(10)2 – 21π(6)2
π(20)2(21) – π(6)2
2,100π – 756π
7,644π
1,344

answer is choice 1 and 3.


Acylindrical metal pipe has a diameter of 20 millimeters and a height of 21 millimeters. a cylindric

ansver
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 15:50, Pbaer3087
Agreeting card company can produce a box of cards for $7.50. if the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50?
Answers: 1
image
Mathematics, 21.06.2019 16:30, skylarjohnson2683
What is true about the dilation? it is a reduction with a scale factor between 0 and 1. it is a reduction with a scale factor greater than 1. it is an enlargement with a scale factor between 0 and 1. it is an enlargement with a scale factor greater than 1.
Answers: 2
image
Mathematics, 21.06.2019 19:00, lex112592
Samantha is growing a garden in her back yard. she spend $90 setting up the garden bed and buying the proper garden supplies. in addition, each seed she plants cost $0.25. a. write the function f(x) that represents samantha's total cost on her garden. b. explain what x represents. c. explain what f(x) represents. d. if samantha plants 55 seeds, how much did she spend in total?
Answers: 2
image
Mathematics, 21.06.2019 20:20, bbyjoker
Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?
Answers: 1
You know the right answer?
Acylindrical metal pipe has a diameter of 20 millimeters and a height of 21 millimeters. a cylindric...

Questions in other subjects:

Konu
Mathematics, 15.09.2021 14:00
Konu
English, 15.09.2021 14:00
Konu
Mathematics, 15.09.2021 14:00
Konu
Mathematics, 15.09.2021 14:00
Konu
Mathematics, 15.09.2021 14:00