Find a formula for the nth term of the sequence.0, 2, 2, 2, 0, 2, 2, 2 (0, 2, 2, 2 repeated)
A. an = 1 + (-1)n(n+1)(n+2)/6
B. an = 1 + (-1)(n+1)(n + 2)/2
C. an = 1 + (-1)n(n-1)/2
D. an = 1 + (-1)n(n+1)/2
Answer: A
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Solve using the problem-solving strategy for systems of linear equations.Two angles are supplementary if the sum of their measures is 180°. The measure of the first angle is 6° less than four times the second angle. Find the measure of each angle.
A. first angle = 37.2° second angle = 142.8° B. first angle = 142.8° second angle = 37.2° C. first angle = 40.8° second angle = 139.2° D. first angle = 139.2° second angle = 40.8°
Perform the operations.1.4070 × 105
A. 14,070 B. 70.35 C. 1,407,000 D. 140,700
Find the volume area of the figure. Use 3.14 for ?. Round the answer to the nearest hundredth when appropriate.
A. 14,469.12 cu. ft B. 904.32 cu. ft C. 3,617.28 cu. ft D. 452.16 cu. ft
Solve the problem.
The graph of y = f(x) depicts the amount of cash y in dollars that a bank teller has at his station after x minutes. (i) When did the largest withdrawal occur? (ii) How much was it?
A. After 165 minutes; $150 B. After 75 minutes; $250 C. After 165 minutes; $250 D. After 30 minutes; $150