Question 5 2 points) Two years ago the Lange family used $3,250 worth of electricity. Last year they switched to balanced billing.
a. What was their monthly payment last year under balanced billing? Round to the nearest cent.
b. During last year, they actually used $3,766 of electricity and their balanced billing payments were not enough to pay for
their electrical usage. They had to pay the difference at the end of the year. How much did they owe the utility company?
Oa
Ob
a. $516 b. $43
a. $314 b. $26
a. $542 b. $386
С
a. $271 b. $516

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

know the answer? add it here!

step-by-step explanation:

it is not that hard all u have to do is plot the graph

step-by-step explanation:

you didn't post any answer choices, so its not 100% clear what your teacher is looking for

however, log(15/7) is equivalent to log(15) - log(7)

i'm using the rule log(x/y) = log(x) - log(y)