Translate to a proportion. Do not solve.4.0 is what percent of 9.7?

A.  = 
B.  = 
C.  = 
D.  = 


Answer: D

Mathematics

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Use differentiation to determine whether the integral formula is correct.dx =x2(4x + 3)4 + C

A. No B. Yes

Mathematics

For the curve r(t), write the acceleration in the form aTT + aNN.r(t) = (cosh t)i + (sinh t)j + tk 

A. a = (-sinh t)T + N
B. a = ( sinh t)T + N
C. a = (-  sinh t)T + N
D. a = (sinh t)T + N

Mathematics

Solve the problem.Sheri wanted to know the total number of hours she worked this week. Her time card indicated the following hours: Monday, 7.02 hours; Tuesday, 7.54 hours; Thursday, 3.09 hours. How many hours has Sheri worked?

A. 16.65 hours B. 17.65 hours C. 17.55 hours D. 18.65 hours

Mathematics

Find the values of x for which the expression is a real number.

A.
B.
C.
D.

Mathematics