Solve the problem.If P dollars are invested at a simple interest rate r (in decimals), the amount A that will be available after t years is A = P + Prt. If $500 is invested at a rate of 7% simple interest, how long will it before the amount of money available is $622.50?
A. 5.5 yr
B. 0.5 yr
C. 3.5 yr
D. 1.2 yr
Answer: C
You might also like to view...
LetU = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y} B = {q, s, y, z} C = {v, w, x, y, z}. List the elements in the set.(A ? B)'
A. {s, u, w} B. {t, v, x} C. {r, s, t, u, v, w, x, z} D. {r, t, v, x}
Compute the compound interest.How long must $5500 be in a bank at 8% compounded annually to become $16,154.56? (Round to the nearest year.)
A. 14 yr B. 13 yr C. 16 yr D. 15 yr
Solve the problem. Be sure to make a diagram of the situation with all the given information labeled.
?
A man wandering in the desert walks 2.5 miles in the direction 
. He then turns 90° and walks 3.3 miles in the direction 
. At that time, how far is he from his starting point, and what is his bearing from his starting point? Round the distance to one decimal place and the angle to the whole number.
??
A. The distance is 1.8 mi ; the man's bearing is 
.
B. The distance is 4.1 mi ; the man's bearing is 
.
C. The distance is 1.8 mi ; the man's bearing is 
.
D. The distance is 4.1 mi ; the man's bearing is 
.
E. The distance is 4.1 mi ; the man's bearing is 
.
Find the location and value of all relative extrema for the function. 
A. Relative maximum of 0 at 0 ; Relative minimum of 3 at -2; Relative minimum of 0 at 6. B. Relative minimum of -2 at 3. C. Relative maximum of 0 at 0 ; Relative maximum of 0 at 6. D. Relative minimum of -2 at 3 ; Relative maximum of 0 at 6.