Four commuter trains and two express buses depart from city A to city B in the morning, and three commuter trains and two express buses operate on the return trip in the evening. In how many ways can a commuter from city A to city B complete a daily round trip via bus and/or train?
__________ possible ways
30
Mathematics
You might also like to view...
Integrate the function.
dx
A. 
ln 
- 
+ C
B. x + ln 
+ 
+ C
C. 
ln 
- sin-1 
+ C
D. ln 
+ 
+ C
Mathematics
Solve the problem.The gravitational attraction A between two masses varies inversely as the square of the distance between them. If the force of attraction is 4 lb when the masses are 3 ft apart, what is the attraction when the masses are 6 ft apart?
A. 4 lb B. 3 lb C. 1 lb D. 2 lb
Mathematics
Complete the equation so the result is an identity. 
+ sin2x = 1
A. tan2x B. sin2x C. csc2x D. cos2x
Mathematics
For the pair of functions, find the product (fg)(x).f(x) = 4x + 4, g(x) = -3x - 8
A. -10x2 + 44x - 32 B. -12x2 - 44x - 32 C. -13x2 - 46x - 34 D. 12x2 + 44x - 32
Mathematics