Find the volume of a cylinder with a diameter of 8 inches and a height that is
three times the radius. Use 3.14 for pi and round your answer to the nearest
hundredth. (Hint: You may only enter numerals, decimal points, and negative
signs in the answer blank) (4 points)

600

Step-by-step explanation:

Volume of a cylinder= pi r2h

Diameter = 2radii

8= 2r

R= 8/2 =4

Height = 3 times of radius

Height = 3x4 =12

Pi = 3.14

Volume = 3.14x(4^2)x12

= 3.14x16x12

=602.88

=600 (to the nearest hundredths)

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last graph i believe

step-by-step explanation:

worked it out i believe

answer: a video game has three difficulty levels: easy, medium, and expert. the game's scoring works in such a way that a player has to score a fixed number of points to advance to the next level, and then the scoring starts over. the total score needed to clear all three difficulty levels is 7,500. two times the number of points needed to clear the easy level is 500 more than the number of points needed to clear the medium level. twice the number of points needed to clear the medium difficulty level is 1,500 more than the number of points needed to clear the expert level. if x, y, and z represent the easy, medium, and expert levels, respectively, and a is the coefficient matrix of the system of equations modeling this situation, identify the inverse matrix, a-1, and the solution matrix, x, of the system of equations.

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step-by-step explanation: