Solve the problem.A man rode a bicycle for 12 miles and then hiked an additional 8 miles. The total time for the trip was 5 hours. If his rate when he was riding a bicycle was 10 miles per hour faster than his rate walking, what was each rate?
A. Bike: 13 mph
Hike: 3 mph
B. Bike: 11.5 mph
Hike: 1.5 mph
C. Bike: 12 mph
Hike: 2 mph
D. Bike: 14.5 mph
Hike: 4.5 mph
Answer: C
Mathematics
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Change the Cartesian integral to an equivalent polar integral, and then evaluate.
A. 49? B. 98? C. 7? D. 196?
Mathematics
Provide an appropriate response. If you were given the two legs of a right triangle, explain how you could find the sine value of one of the acute angles.
What will be an ideal response?
Mathematics
Find 
. Write the answer in polar form with the argument between 0° and 360°z1 = 1 - i, z2 = 1 - 
i
A. 
(cos 15° + i sin 15°)
B. 
(cos 75° + i sin 75°)
C. 
(cos 75° + i sin 75°)
D. 
(cos 15° + i sin 15°)
Mathematics
Find the exact value by using a sum or difference identity.sin 15°
A. 
B. 
C. 
D. 
Mathematics