3 years ago

Help me pleasse the first correct answer gets a brainliest

Mathematics

2 answers:

Yuri [45]3 years ago

7 0

Answer: 2,340

Step-by-step explanation:

First you have to find the total amount of books in the sample which is 1125 then you can see that 45 of those books have major damage. Next you need to divide 58,500 by 1125 to see how much you need to multiply 45 by which is 52. So now you need to multiply 45 by 52 which is 2340.

tigry1 [53]3 years ago

3 0

Answer:1005

Step-by-step explanation:sorry if I’m wrong I really want a like it would help a lot but I think this answer is right

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Phoenix [80]

Answer

a. The volume is multiplied by 4

b. The volume is doubled

Explanation

a. The volume of a cone with radius r and height h is $\pi r^2 h/3$ . If the radius is doubled, the new volume will be $\pi (2r)^2h/3$ , which is equal to $4\pi r^2h/3$ . This means that the volume is multiplied by 4.

b. The volume of a cone with radius r and height h is $\pi r^2 h/3$ . If the height is doubled, the new volume will be $\pi r^2(2h)/3$ , which is equal to $2\pi r^2 h/3$ . This means that the volume is multiplied by 2.