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Mekhanik [1.2K]
2 years ago
9

Solve the system by substitution. 2x=y-10 2x+7=2y The solution is ( , ).

Mathematics
1 answer:
Ugo [173]2 years ago
7 0

Answer:

Step-by-step explanation:

2x=y-10

2x+7=2y

====

2x=y-10

x = (y-10)/2

Use this in the 2nd equation:

2x+7=2y

2((y-10)/2)+7=2y

y - 10 + 7 = 2y

-y -3 = 0

-y = 3

y = -3

Use this in either equation:

2x=y-10

2x=(-3)-10

x = -(13/2) or - 6.5

(-6.5, -3)

See attached graph.

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C(x) = 0.6x+ 15,000 and R(x) = 1.25x where x is the number of units produced.
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The profit function is the difference between the cost and revenue functions

The profit function is P(x) = 0.65x - 15000

<h3>How to calculate the profit function</h3>

The functions are given as:

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The profit function is then calculated as:

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P(x) = 0.65x - 15000

Hence, the profit function is P(x) = 0.65x - 15000

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brainly.com/question/10009899

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Read 2 more answers
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