If

then we have

By Fermat's little theorem, if

is not divisible by a prime

, then

This works for

; in this case, we would have
Answer:
Reasonable estimation for constant of variation is 0.25 kWh per day.
Step-by-step explanation:
We are given the following information in the question:
- The graph represents the function where electricity usage.
- Electricity usage in kilowatts per hour of a clock radio varies directly with the number of days.
- The x-axis shows the number of days and usage in kilo-watt per hour is showed on the y-axis.
- Some coordinates of the graph are: (0,0), (2,0.5) and (6,1.5)
Formula for constant of variation:

Putting the values from the coordinates (2,0.5) and (6,1.5), we get:

Hence, reasonable estimation for constant of variation is 0.25 kWh per day.
The conversion factor should be multiplied in Step 2 instead of being divided.
The answer is C.
Step-by-step explanation:
Given Naoma draws a portion of a figure as shown. She wants to construct a line segment through R that makes the same angle with QR as PQ.
To draw the line we will make sure to draw the same angle as that of the angle between QR and PQ.
Therefore, Owr next step is to measure the angle between QR and PQ with the help of compass in order to draw the same angle & this step is shown in figure C.
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