Perform the row operation(s) on the given augmented matrix.R2 = -2r2 + r1
A. 
B. 
C. 
D. 
Answer: D
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Solve the problem.In electronics, the impedance Z of an alternating series circuit is given by the formulaZ = 
, where R is the resistance and X is the reactance, both in ohms. Find the value of the impedance Z if 
and X = 48 ohms.
A. 28 ohms B. 52 ohms C. 68 ohms D. 44 ohms
The life expectancy of a star is a power function of its mass. The value of the power in this function is 
. If the mass is increased by 43%, how is the life expectancy affected? Round your answer to two decimal places if necessary.
?
A. Life expectancy is increased by 40.89% B. Life expectancy is decreased by 40.89% C. Life expectancy is decreased by 59.11%. D. Life expectancy is increased by 59.11%.
Use the given Taylor polynomial p2 to approximate the given quantity.Approximate e-0.01 using f(x) = e-x and p2(x) = 1 - x + 
.
A. 0.9904 B. 0.9900 C. 0.9891 D. 0.9908
Determine whether the statement is true or false.Every rational number is an integer.
A. True B. False