Solve the problem.Suppose that a radio transmission pattern can be modeled by 
for 
where the units are miles. Determine the predominant direction(s) of transmission and the distance(s) of transmission in such direction(s). Assume that the positive 
points east.
A. Northeast; 80 miles
B. North and south; 80 miles
C. Northeast and southwest; 6400 miles
D. Northeast and southwest; 80 miles
Answer: D
Mathematics
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Solve.Find two numbers whose product is 21 and the sum of whose reciprocals is 
A. 63 and 
B. 3 and 7
C. 441 and 
D. 147 and 
Mathematics
Solve the problem.How much work does it take to slide a box 10 meters along the ground by pulling it with a 67 N force at an angle of 32° from the horizontal? Round to the nearest Newton.
A. 558.9 J B. 670 J C. 56.82 J D. 568.2 J
Mathematics
Provide an appropriate response.
Find angle A. Round to the nearest 0.1°.
A. 28.7° B. 106.3° C. 45° D. 73.7°
Mathematics
Solve.
+ 
= - 
A. 15 B. -16 C. -15 D. No solution
Mathematics