Set up the percent proportion for the application problem. Do not try to solve for any unknowns.In a one-day storm, Odentown received 15% of the normal rainfall for a season. Odentown received 9 inches of rain that day. How many inches of rain normally fall during the season?
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Answer: A
Mathematics
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Write a chain rule formula for the following derivative.
for w = f(x, y, z); x = g(s, t), y = h(s, t), z = k(s)
A. 
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+ 
B. 
= 
+ 
C. 
= 
+ 
D. 
= 
Mathematics
Factor the polynomial completely using the trial and error method.15x2 - 65x - 50
A. 5(3x + 2)(x - 5) B. 5(3x - 2)(x + 5) C. prime D. (15x + 10)(x - 5)
Mathematics
Solve the problem.A 53 mph wind is blowing toward the north. At what speed should a plane head due east to be on a bearing of E 62.6° N? Find the ground speed of the plane.
A. 230 mph B. 115 mph C. 60 mph D. 173 mph
Mathematics
Use Cramer's rule to solve the system.0.3x + 0.08y = 122x - y = -100
A. ? B. {(300, 400)} C. {(400, 300)} D. {(3, 4)}
Mathematics