Find an angle between 0 and 360° that is coterminal with each angle given.
(a) 362°
(b) -870°
(c) 1170°
a. 2°
b. 210°
c. 90°
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Solve the problem.An office contains 1000 ft3 of air initially free of carbon monoxide. Starting at time = 0, cigarette smoke containing 4% carbon monoxide is blown into the room at the rate of 0.5 ft3/min. A ceiling fan keeps the air in the room well circulated and the air leaves the room at the same rate of 0.5ft3/min. Find the time when the concentration of carbon monoxide reaches 0.01%.
A. 7.01 min B. 6.01 min C. 8.01 min D. 5.01 min
Change the numbers to their percent equivalents. Round to the nearest tenth of a percent.
A. 9.5% B. 950% C. 95% D. 0.95%
Add or subtract as indicated. Write the answer in simplest form.
- 
- 
A. 
B. 
C. - 
D. - 
Write out the first three terms and the last term of the arithmetic sequence.
A. -5 + 0 + 5 + . . . + 55 B. 0 + 5 + 10 + . . . + 55 C. -5 - 0 + 5 - . . . + 55 D. 0 + 20 + 70 + . . . + 295