3 years ago

A house repair costs 5000 for materials and 200 per hour. Write an equation for the cost c as a function of the hours worked, t

Mathematics

1 answer:

Crank3 years ago

4 0

The answer for this would be
C = 5000 + 200t

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ludmilkaskok [199]

3rd option: $-\frac{1}{2} < t \leq 3$ is the correct answer

Step-by-step explanation:

First of all, we have to observe the number line

Observing the number line we can see that the number -0.5 or -1/2 is not included in the solution as the circle on -1/2 is empty. An empty circle means that the number is not included in the solution.

While on the other side we can see that 3 has a filled circle which means 3 is included in the solution

This means that the solution might be:

$t>-0.5\\and\\t \leq 3$

By comparing the observation and the answer choices we can conclude that

3rd option: $-\frac{1}{2} < t \leq 3$ is the correct answer

Keywords: Inequalities, solution

Learn more about inequalities at:

#LearnwithBrainly

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balu736 [363]

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Ksenya-84 [330]

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attashe74 [19]

Answer:

Step-by-step explanation:

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