Question

check my answers

Answer 1

A large diamond with a mass of 481.3 grams was recently discovered in a mine. If the density of the diamond is 3.51 grams over centimeters cubed, what is the volume? Round your answer to the nearest hundredth.

48.23 cm3

55.91 cm3

58.71 cm3

137.1 cm3 <--- my answer

Answer 2

A circle is represented by the equation below:

(x + 8)^2 + (y − 3)^2 = 100

Which statement is true?

The circle is centered at (−8, 3) and has a radius of 20.

The circle is centered at (8, −3) and has a diameter of 20.

The circle is centered at (8, −3) and has a radius of 20.

The circle is centered at (−8, 3) and has a diameter of 20. <--- my answer

Answer 3

The volume of a cone that fits exactly inside a cylinder is 25 cubic feet. What is the volume of the cylinder?

5 cubic feet

12.5 cubic feet

75 cubic feet <--- my answer

625 cubic feet

Answer 4

first one you are right

Answer 5

Lines CD and DE are tangent to circle A as shown below:

If arc CE is 110°, what is the measure of ∠CDE?

55°

70° <--- my answer

100°

125°

Answer 6

second one are you sure that is 100

Answer 7

the points are correct

Answer 8

for the second one

Answer 9

yes it's = 100

Answer 10

yes you are correct on the second one

Answer 11

just checking

Answer 12

third on you are right

Answer 13

yay how about the 4th?

Answer 14

correct

Answer 15

yay i have more but i'll post them in a few is it okay if you check them later?

Answer 16

yeah sure

Answer 17

Cylinder A has a radius of 8 inches and a height of 3 inches. Cylinder B has a volume of 96π. What is the percent change in volume between cylinders A and B?

Cylinder B is 50% smaller than cylinder A. <--- my answer

Cylinder B is 75% smaller than cylinder A.

Cylinder B is 150% bigger than cylinder A.

Cylinder B is 200% bigger than cylinder A.

Answer 18

@NaeNaeHoowaahh

Answer 19

this one is right

Answer 20

yay i have a few more but i have to solve them first

Answer 21

ok

Answer 22

Snowy's Snow Cones has a special bubble gum snow cone on sale. The cone is a regular snow cone that has a spherical piece of bubble gum nested at the bottom of the cone. The radius of the snow cone is 2 inches, and the height of the cone is 3 inches. If the diameter of the bubble gum is 0.5 inches, what is the closest approximation of the volume of the cone that can be filled with flavored ice? Use 3.14 for pi.

22.97 cubic inches

12.50 cubic inches <--- my answer

13.24 cubic inches

12.60 cubic inches

Answer 23

Circle A has center of (4, 6) and a radius of 5, and circle B has a center of (1, 0) and a radius of 15. What steps will help show that circle A is similar to circle B?

Dilate circle A by a scale factor of 3. <--- my answer

Translate circle A using the rule (x−3, y+6).

Rotate circle A 180° about the center.

Reflect circle A over the y-axis.

Answer 24

first on is D
second one is correct