Find the sum.Find the sum of the first 50 terms of the arithmetic sequence: 11, 16, 21, 26, . . .
A. 6800
B. 261
C. 6675
D. 6684
Answer: C
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Solve.While traveling at a constant speed in a car, the centrifugal acceleration passengers feel while the car is turning is inversely proportional to the radius of the turn. If the passengers feel an acceleration of 15 feet per second per second when the radius of the turn is 40 feet, find the acceleration the passengers feel when the radius of the turn is 120 feet.
A. 8 feet per second per second B. 5 feet per second per second C. 6 feet per second per second D. 7 feet per second per second
Follow the proper order of operations to evaluate the following.-0.03 ? (2.2 - 6)2
A. 1.2252 B. -0.4332 C. 0.4332 D. -1.2252
The graph of either a cubic or quartic polynomial f(x) with leading coefficient ±1 and integer zeros is shown. Write the complete factored form of f(x).
A. f(x) = (x + 4)(x - 1)(x - 2)(x + 4) B. f(x) = (x + 4)(x + 1)(x - 2)(x - 4) C. f(x) = (x + 4)(x - 1)(x + 2)(x - 4) D. f(x) = (x - 4)(x - 1)(x + 2)(x + 4)
Solve the problem.To estimate the number of people in Springfield, population 10,000, who have a swimming pool in their backyard, 250 people were interviewed. Of those polled, 79 had a swimming pool. How many people in the city might one expect to have a swimming pool? (Round to the nearest whole number, if necessary.)
A. 2 people B. 3160 people C. 316 people D. 31,646 people