Let f be the function that determines the area of a circle (in square cm) that has a radius of r cm. That is, f ( r ) represents the area of a circle (in square cm) that has a radius of r cm. Use function notation to respond to each item below. Represent the area (in square cm) of a circle that has a radius of 3.7 cm. syntax error: you gave an equation, not an expressionsyntax error. Check your variables - you might be using an incorrect one. Represent how much a circle's area (in square cm) increases when the circle's radius increases from 10.6 to 10.61 cm. Represent the total area of 3 circles that each have a radius of 12.9 cm. A circle has a radius of 27 cm. A second circle has an area that is 59 square cm more than the first circle. Represent the area of the second circle.

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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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rauschg

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answer: x=60

answer: its c because when it has a magnet next to it it will move away from the mixture. hope this

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