Solve the problem. When needed, use 365 days per year and 30 days per month.An initial investment of $12,000 is appreciated for 2 years in an account that earns 10% interest, compounded quarterly. Find the amount of money in the account at the end of the period.
A. $14,520.00
B. $14,620.83
C. $2620.83
D. $14,264.23
Answer: B
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Entomologists have discovered that a linear relationship exists between the number of chirps of crickets of a certain species and the air temperature. When the temperature is 90° F, the crickets chirp at the rate of 200 times/minute, and when the temperature is 110° F, they chirp at the rate of 300 times/minute. Find an equation giving the relationship between the air temperature T and the number of chirps/minute N of the crickets.
What will be an ideal response?
Solve the problem.A line from the top of a cliff to the ground passes just over the top of a pole 7.0 ft high and meets the ground at a point 6.0 ft from the base of the pole. If the point is 83 ft from the base of the cliff, how high is the cliff? Round to the nearest unit.
A. 97 ft B. 7 ft C. 3486 ft D. 581 ft
Solve the problem.Helen Weller invested $13,000 in an account that pays 10% simple interest. How much additional money must be invested in an account that pays 13% simple interest so that the average return on the two investments amounts to 11%?
A. $13,000 B. $10,000 C. $9000 D. $6500
Find the average rate of change of the function as x changes from a to b.g(x) = 3x - 7; a = -1, b = 2
A. -3
B.
C. 0
D. 3