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earnstyle [38]
3 years ago
7

A formula in the form y = mx + b models the value, y, of a new car x years after the initial purchase in 2017. Would

Mathematics
1 answer:
Andru [333]3 years ago
8 0

Answer:

negative

Step-by-step explanation:

If you google car price over time, you will find that prices of cars deteriorate over time. seriously ask your parents they probably could have helped you with this one lol.

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Solve the system of equations by elimination.<br> 2x - y + 3z=-1<br> x + 2y - 4z=-1<br> y – 2z=0
MrRa [10]

Answer:

x = -1, y = 2 and z = 1

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The given system of equations are :

2x - y + 3z= -1  ....(1)

x + 2y - 4z = -1  ......(2)

y – 2z = 0  .....(3)

Equation (3) can be written as :

y = 2z

Use y = 2z in equation (2)

x + 2(2z) - 4z = -1

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Adding equation (3) and (4)

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