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mrs_skeptik [129]
3 years ago
10

An audio books club charges an initial joining fee of $15.00. The cost per audio book is $12.00. The graph shows the cost of bel

onging to the club as a function of audio books purchased. How will the graph change if the cost per audio book goes up by $1.00?

Mathematics
1 answer:
Irina18 [472]3 years ago
6 0

Answer:

the graph will describe 13x+15 if the cost per audio book goes up by $1.00.

Step-by-step explanation:

This happens because the coefficient to x is 12 before the change. If the change is the cost per audio book going up by one dollar, the coefficient changes to 13. The initial joining fee is the same ($15.00).

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3 years ago
2x-5y=3 4y-x=-3 solve by elimination
loris [4]

Answer:

x = -1 and y = -1

Step-by-step explanation:

to solve this equation we say

let

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4y-x=-3............................................equation 2

from equation 2

4y-x=-3............................................equation 2

4y + 3 = x

i.e

x = 4y + 3 .............................................  equation 3

put x = 4y + 3 in equation 1

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x = -4 + 3

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therefore the value of x = -1 and y = -1 respectively

4 0
2 years ago
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