Find the work done in the given situation.A constant force F = 
moves an object along a vector D = 
, where units are in pounds and feet.
A. 1253.3 foot-pounds
B. 1212 foot-pounds
C. -1212 foot-pounds
D. 384 foot-pounds
Answer: D
Mathematics
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Use Pascal's triangle to expand the binomial.(x + 5)5
A. x5 + 25x4 + 500x3 + 2500x2 + 3125x + 5 B. x5 + 25x4 + 250x3 + 1250x2 + 3125x + 3125 C. x5 + 25x4 + 500x3 + 2500x2 + 3125x + 3125 D. x5 + 25x4 + 250x3 + 1250x2 + 3125x + 5
Mathematics
Use differentials to estimate the amount of paint needed to apply a coat of paint 0.0017 cm thick to a hemispherical dome with diameter 70 m.
Select the correct answer. a. 4.165? b. 2.52? c. 4.11? d. 3.82? e. 2.28?
Mathematics
Simplify the expression.
- 
+ 
A. 
B. -1
C. 1
D. 
Mathematics
Solve for x and graph the results.6x + 1 ? 25 and x > -2
A. 
B. 
no solution
C. 
D. 
Mathematics