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sashaice [31]
3 years ago
14

The daily cost of hiring an electrician,Y, to work x hours on an electric job can be modeled using a linear function. The electr

ician charges a fixed costs of $75 plus an additional cost of $50 per hour. The electrician works a maximum of 7 hours per day
For one day of work, what is the range of the function for this situation?

A 0<_ x <_ 7
B 75 <_ y <_425
C 0<_ x <_ 9
D 50 <_ y <_ 575
Mathematics
2 answers:
Artyom0805 [142]3 years ago
4 0
B is the answer to your question
Sedbober [7]3 years ago
4 0

Answer:

im sorry i dont know

Step-by-step explanation:

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The question and answer choices are listed in the picture.
zepelin [54]
Given:
L=2 \pi r( \frac{x}{360})

Solution:
If we want to find the solution for r, we need to move the r to the left side first. So I reverse the side
2 \pi r( \frac{x}{360})=L

Move 2π to the right side. Because on the left side 2π acts as numerator, after it's moved to the right side, it becomes denominator.
2 \pi r( \frac{x}{360})=L
r( \frac{x}{360})= \frac{L}{2 \pi }

Move 360 to the right side. Because on the left side 360 acts as denominator, after it's moved to the right side, it becomes numerator.
r( \frac{x}{360})= \frac{L}{2 \pi }
r(x)= \frac{360L}{2 \pi }

Move x to the right side. Because on the left side x acts as numerator, after it's moved to the right side, it becomes denominator.
r(x)= \frac{360L}{2 \pi }
r= \frac{360L}{2 \pi x}

Then simplify the fraction
r= \frac{360L}{2 \pi x}
r= \frac{180L}{ \pi x}

The answer is second option
5 0
3 years ago
THIS IS NOT A QUESTION!
harkovskaia [24]

Omg! Thank you. I was stuck for like an hour till I found this.

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