Multiply and simplify. Assume that all variables represent positive real numbers.(10 + 9 )( - 10)

A. 10x - 91 - 90
B. 10x + 109 - 90
C. 10x - 91 + 90
D. 10x + 91 - 90


Answer: A

Mathematics

You might also like to view...

Convert the mass as indicated.832 milligrams to kilograms

A. 0.000832 kg B. 832,000 kg C. 83,200 kg D. 0.0832 kg

Mathematics

Answer the question.True or False? The x-coordinate is positive in quadrants I and IV.

A. True B. False

Mathematics

Complete the identity. = ?

A. 0 B. cot x C. 2 D. 1

Mathematics

Express the sum using summation notation. Use 1 as the lower limit of summation and i for the index of summation.a + 1 +  + . . . + 

A.
B.
C.
D.

Mathematics