Finn’s fish store has 5 tanks of goldfish; each tank holds 40 fish. He collects and inspects 5 fish from each tank and finds that 4 fish have fin rot. Find the estimated number of goldfish in the store that have fin rot. SHOW ALL WORK!

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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answers

rauschg

rauschg · hand

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step-by-step explanation:

b. f(x) = –√x + 3this is the correct answer

c(x)= 6x + 3

step-by-step explanation:

the correct answer is c) 2.