Question

Area and Volume

Answer 1

for the last one i have A.27

Answer 2

I need help with the first one and wonder if im correct with the last

Answer 3

V=πr^2h/3
in other words
pi r squared times hight divided by 3 so ill you have to do is go backwards

Answer 4

The 2nd one is incorrect..

Answer 5

We have 3/4 of the height.

We multiply this by 3, becomes volume is in 3 dimensions.

3/4 * 3/4 * 3/4 = ?

Answer 6

0.421875

Answer 7

Yes, now we multiply that by 36.

Answer 8

15.1875

Answer 9

so D 15.2

Answer 10

Yep, you got it.

Answer 11

I need help with first one

Answer 12

For the first one we set up a proportion:

\(\dfrac{768}{x} = \dfrac{6144}{24}\)

Cross multiply and solve for 'x'

Answer 13

24x768=18432

Answer 14

It's 6144x = 18432

Answer 15

X=3

Answer 16

6144 x 3 = 18432

Answer 17

Correct?

Answer 18

Yep

Answer 19

or 12

Answer 20

wouldnt question 3 be 5

Answer 21

and number 1 be D