A dvd case is 9/16 thick. how many of these cases will fit on a shelf that is 1 1/2 ft wide.
1 answer:
You might be interested in
The basic angle for 1/2 is 60°, and cosines are negative in the first and third quadrant.
So, you take 180° - 60° = 120° to get the angle in the first quadrant, and 180° + 60° = 240° to get the angle in the third quadrant.
Since only 120° is an option, the answer is B.
Answer:
A. 36 ÷ a
B. 55 - b
C. 18 + c
D. 49 · d
E. e ÷ 62
F. f - 71
