Use Cramer's rule to solve the system.3x = 55 - 4y3y = 48 - 3x
A. {(9, -7)}
B. {(7, 9)}
C. {(-7, 9)}
D. {(9, 7)}
Answer: D
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Evaluate the determinant.
A. -3 B. -8 C. 3 D. 27
Provide an appropriate response.The Krishnans amortize a loan of $150,000 for a new home by obtaining a 40-year mortgage at the rate of 10.2% compounded monthly. Find (a) the monthly payment, (b) the total interest charges, and (c) the principal remaining after 15 years.
What will be an ideal response?
Find the fifth term and the nth term of the geometric sequence whose initial term, a, and common ratio, r, are given.a = -7; r = -3
A. a5 = 189; an = -7 ? (-3)n B. a5 = 189; an = -7 ? (-3)n-1 C. a5 = -567; an = -7 ? (-3)n-1 D. a5 = -567; an = -7 ? (-3)n
What is the size of the payments that must be deposited at the beginning of each 6-month period in an account that pays an annual rate of 8%, compounded semiannually, so that the account will have a future value of $110,000 at the end of 11 years? Round your answer to the nearest cent. ?
A. $17,573.48 B. $7,842.69 C. $916.44 D. $3,088.34 E. $1,597.49