A man invests a total of $21,000 in two accounts, one paying 5.5% simple interest per year and the other paying 8.5% simple interest per year. His annual interest from both accounts is $1,280 . How much did he invest at each rate?
What will be an ideal response?
x = $16,833 , y = $4,167
Mathematics
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Simplify, if possible.
A. -1
B. 
C. 1
D. -3x
Mathematics
Solve the problem.A bank offers a 7.3% annual interest rate compounded daily. The APY is approximately
A. 13.23%. B. 7.57%. C. 8.03%. D. 10.72%. E. none of these
Mathematics
Multiply using the rules for special products.
A. 9r2 - s2 - 14s - 49 B. 9r2 - s2 - 7s - 49 C. 9r2 + s2 - 14s - 49 D. 9r2 - s2 - 15s - 49
Mathematics
Solve the problem.Find the cubic polynomial satisfying the following conditions.P(-2) = -48, P(-1) = 14, P(1) = 12, P(2) = 140
A. P(x) = 16x3 - 11x2 + 17x + 2 B. P(x) = 556x3 - 190x2 + 118x - 164 C. P(x) = 16x3 + 11x2 - 17x + 2 D. P(x) = 556x3 + 190x2 + 118x - 164
Mathematics