Simplify.
A. 1
B. 
C. 
D. -1
Answer: A
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Find the flux of the curl of field F through the shell S.F = 3zi - 5xj - 5yk ; S: r(r, ?) = r cos ?i + r sin ?j + 4rk, 0 ? r ? 4 and 0 ? ? ? 2?
A. -80 B. 0 C. 80? D. -80?
Solve the problem.Consider a retirement savings account where the monthly contribution is $175 for the first 20 years, is increased to $225 for the next 5 years, and then is increased once again to $375 for the last 15 years. The APR is always 4.8% compounded monthly. What is the value of the account at the end of 40 years? Round your answer to the nearest cent.
A. $310,143.23 B. $314,907.23 C. $313,040.67 D. $312,009.78 E. $315,938.12
Provide an appropriate response.Solve for x: 24 - x = 64
A. x = -5 B. x = -2 C. x = 6 D. x = 2
Decide whether the statement is true or false.There is a greatest positive fraction less than one.
A. True B. False