Solve the problem.A jet plane traveling at a constant speed goes 1200 mi with the wind, then turns around and travels for 1000 mi against the wind. If the speed of the wind is 50 mph and the total flight took 4 hr, find the speed of the plane.
A. 605 mph
B. 550 mph
C. 435 mph
D. 525 mph
Answer: B
You might also like to view...
For a certain species of cricket, the temperature T, in degrees Fahrenheit, can be estimated from the number n of cricket chirps per minute. The relationship is
.
?
A: Find a formula that expresses the number of chirps per minute as a function of the temperature.B: How many chirps per minute can be expected if the temperature is 55.00 degrees Fahrenheit?
What will be an ideal response?
Solve the inequality and graph the solution set.10x - 3 ? 5x + 32
A. {x|x > 8}
B. {x|x ? -7}
C. {x|x ? 8}
D. {x|x ? 7}
Integrate the given expression.
dx
A. 
x2 + 
x + C
B. 
x3 + C
C. - 
x3 - 
x2 + C
D. 
x3 - 
x2 + C
Find the sum or difference. Write the answer in standard form.i
+ 1 - (7 + 8i
) - (6 - i
)
A. -12 - 6i
B. -12 + 6i
C. 12 - 10i
D. -12 - 10i