Translate to a proportion and solve. 81 is 135% of what?
A. 600
B. 18,225
C. 182.25
D. 60
Answer: D
Mathematics
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Write the algebraic expression described. Simplify if possible.A 38-centimeter piece of rope is cut into two pieces. If one piece is z centimeters long, express the other length as an algebraic expression in z.
A. (38 - z) cm B. (z + 38) cm C. (38 - 2z) cm D. (z - 38) cm
Mathematics
Translate the sentence into an equation using the variable x.5 times a number equals 8 less than 6 times the number.
A. 5x = 8 - 6x B. 5x - 8 = 6x C. 5x = 8 - 6 D. 5x = 6x - 8
Mathematics
Solve the equation. First simplify the expression by combining like terms.2(2z - 2) = 3(z + 2)
A. {4} B. {2} C. {10} D. {-2}
Mathematics
Perform the indicated matrix operations.Let B = 
. Find -2B.
A. 
B. 
C. 
D. 
Mathematics