Find the real solutions of the equation.x4 - 3x3 + 5x2 - x - 10 = 0
A. {1, 2}
B. {-2, 1}
C. {-1, -2}
D. {-1, 2}
Answer: D
Mathematics
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Write the product as a sum. cos 7x cos 3x
What will be an ideal response?
Mathematics
Find the payment that should be used for the annuity due whose future value is given. Assume that the compounding period is the same as the payment period.$11,000; annual payments for 6 years; interest rate 5.7%.
A. $760.05 B. $1503.26 C. $382.20 D. $268.22
Mathematics
Find the common logarithm to four decimal places.log 30
A. 0.9771 B. 1.4771 C. 3.9012 D. 3.4012
Mathematics
Find the sum without the use of a number line.81 + (-78)
A. 159 B. -3 C. -159 D. 3
Mathematics