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1 answer:
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Answer:
y = 12,000x + 40,000
Explanation:
A linear relationship that would model the mileage of the car in this example is:
where
y is the number of miles
x is the number of years
m is the number of miles driven per year
q is the number of miles already in the car at x=0
In this problem, we have
m = 12,000 (number of miles driven per year)
q = 40,000 (number of miles already in the car at x=0)
So substituting into the equation we get
Answer:
Explanation:
Given that,
Power of electromagnetic energy, P = 100 W
We need to find the intensity at a distance of 10 m from the source. Intensity is equal to the power per unit area. So,
So, the intensity at a distance of 10 m is