Answer the question.The following table gives the electricity usage (in kilowatt hours) for the Peters family for six months.
What is the average electricity usage for the months January through May?
A. 936.8 kwh
B. 957.86 kwh
C. 958.97 kwh
D. 971.23 kwh
Answer: B
Mathematics
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Solve.The voltage across a resistor is jointly proportional to the resistance of the resistor and the current flowing through the resistor. If the voltage across a resistor is for a resistor whose resistance is
and when the current flowing through the resistor is
find the voltage across a resistor whose resistance is
and when the
current flowing through the resistor is
A. 12 volts
B. 36 volts
C. 27 volts
D. 18 volts
Mathematics
Solve the proportion.
Mathematics
Evaluate., for x = 10 and y = 53
A. 6 B. 7 C. 5 D. 8
Mathematics
Simplify.i-19
A. 1 B. -i C. -1 D. i
Mathematics