Solve the problem.Two airplanes leave an airport at the same time, one going northwest (bearing 135°) at 410 mph and the other going east at 333 mph. How far apart are the planes after 4 hours (to the nearest mile)?
A. 687 mi
B. 2,748 mi
C. 2,288 mi
D. 2,158 mi
Answer: B
Mathematics
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Find the special product.(3x - y)2
A. 9x2 - 6xy + y2 B. 9x2 - 6xy - 2y2 C. 9x2 + y2 D. 9x2 - 3xy + y2
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Find an equation for the tangent to the curve at the given point.y = 
, (5, 31.25)
A. y = 
x - 
B. y = 
x - 
C. y = 
x + 
D. y = 
x + 
Mathematics
Use a half-angle formula to find the exact value of the expression.cos 75°
A. - 
B. - 
C. 
D. 
Mathematics
Solve the problem.5 packets of pudding contain 23 servings. What is the rate in servings per packet? Round to nearest hundredth.
A. 0.317 servings/packet
B. 0.217 servings/packet
C. 4.7 servings/packet
D.
| 4.6 servings/packet |
Mathematics