Solve the problem.The spring of a spring balance is 6.0 in. long when there is no weight on the balance, and it is 9.3 in. long with 8.0 lb hung from the balance. How much work is done in stretching it from 6.0 in. to a length of 10.7 in.?
A. 95 lb?in.
B. 5.7 lb?in.
C. 4.6 lb?in.
D. 27 lb?in.
Answer: D
Mathematics
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Find Dxy.y = csch 
A. 
csch 
coth 
B. -csch 
coth 
C. - 
csch 
coth 
D. csch 
coth 
Mathematics
Solve the problem.How much work does it take to slide a box 36 meters along the ground by pulling it with a 139 N force at an angle of 31° from the horizontal?
A. 5004 joules B. 119.1 joules C. 4289 joules D. 4577 joules
Mathematics
Provide an appropriate response.Explain in your own words how you can tell from the equation whether the branches of a hyperbola open up and down or left and right.
What will be an ideal response?
Mathematics
Find the quotient.
A. -12 B. 12 C. -5 D. 5
Mathematics