Write an expression to represent the total number of legs on h horses and s spiders (spiders have 8 legs. Evaluate your expression for 4 horses and 2 spiders. a
4h+8s
b
4(h+8s)
c
4h-8s

4h+2c = 186

4h+

Step-by-step explanation:

Five horses would have 4(5) legs, since we assume all of our animals have all their legs, so h horses have 4h legs.

4h + 2c = 186

The one issue we do have is that the above is an equation because it has an equal sign. Technically, the expression would just be the left side...

4h + 2c

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step-by-step explanation:

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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