Perform the indicated operation.27 + (-33)

A. 60
B. 6
C. -60
D. -6


Answer: D

Mathematics

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Determine the indefinite integral.

A. -  sech-1  + C
B. -  csch-1  + C
C.  csch-1  + C
D. sinh-1  + C

Mathematics

Solve the problem with estimation, but do not use a calculator. Use rounding to make the resulting calculations simple.If Jessica can type 48 words per minute, estimate the number of words she can type in one hour.

Fill in the blank(s) with the appropriate word(s).

Mathematics

Simplify the expression by combining like terms.z + 3x - 3z + 3

A. - 5+ 3
B. + 5+ 3
C. 3- 5+ 3
D. 3+ 5+ 3

Mathematics

Evaluate the discriminant, and predict the type and number of solutions.t2 + 10t + 25 = 0

A. 200, two different rational B. 0, one rational C. -200, two different imaginary D. 200, two different irrational

Mathematics