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ki77a [65]
3 years ago
15

Solve the system of equations by substitution method

Mathematics
1 answer:
mina [271]3 years ago
6 0

( - 0.625, - 1.75 )

so since the first equation is already simplified , just replace it in the second equation

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The function C(x) = 29x + 54.5 represents the cost (in dollars) of cable for x months, including $54.50 installation fee. How ma
Ratling [72]

Hey there!!

Given equation :

... c(x) = 29x + 54.5

<em>In this equation $54.50 is installation fee and this would remain as a constant. ( This value wouldn't change ). </em>

<em>'x' is represented as the number of months. </em>

The total cost or c(x) is given as $344.50

Getting this into equations :

... 344.50 = 29x + 54.5

Subtracting 54.5 on both sides :

... 29x = 290

Dividing by 29 on both sides :

... x = 10

<u><em>Hence, the number of months is 10. </em></u>

Hope my answer helps!!

8 0
3 years ago
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ozzi

Answer:

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Step-by-step explanation:

y = mx + b

y = 3/4 x + 6

3 0
4 years ago
write a numerical expression to represent "20 minus the product of 5 and 2. then evaluate your expression. PLEASE HELP I DON'T H
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Answer:

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