Solve the problem.Jesse invests $1000 for 2 years in an investment that bears 8% interest compounded annually. On the same day that Jesse invests his money, Shirley invests $1000 in a simple interest account with an interest rate of
On the date of maturity, Shirley
her money, including the interest, for a second year. Without using calculations, explain which person, if either, has made the more profitable investment.
What will be an ideal response?
The investments are identical. Compound interest accounts are just simple interest investments that are automatically re-invested at the end of a pre-determined term.
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Solve the problem.A rectangular field is to be enclosed on four sides with a fence. Fencing costs $7 per foot for two opposite sides, and $8 per foot for the other two sides. Find the dimensions of the field of area 620 ft2 that would be the cheapest to enclose.
A. 28.5 ft @ $7 by 21.8 ft @ $8 B. 23.3 ft @ $7 by 26.6 ft @ $8 C. 21.8 ft @ $7 by 28.5 ft @ $8 D. 26.6 ft @ $7 by 23.3 ft @ $8
Simplify the exponential expression.
A.
B.
C.
D.
Find the slope of the line satisfying the given conditions.through (2, -5) and (2, 9)
A. 14 B. undefined C. 0 D. -14
Find the length of the third side of the right triangle. Where appropriate, give both an exact answer and an approximation to three decimal places.
A. 15 B. 11 C. 14 D. 12