Simplify the expression. Write your answer without negative exponents. Whenever an exponent is negative or zero, assume that the base is not zero.

A.
B. - 
C.
D.


Answer: D

Mathematics

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Find the indicated probability.Two fair dice are rolled. Find the probability that the sum of the two numbers is not greater than 5.

A.
B.
C.
D.

Mathematics

Solve the problem.On a Touch Tone phone, each button produces a unique sound. The sound produced is the sum of two tones and is given by    and y = sin (2?ht), where l and h are the low and high frequencies (in hertz = Hz) associated with that button. The tone produced is thus given by y = sin (2?lt) + sin (2?ht). Write an expression that models the tone by pressing the "5" button as a product of sines and cosines.

A. y = 2 sin (2247?t) cos (707?t) B. y = 2 sin (707?t) cos (2247?t) C. y = 2 sin (566?t) cos (2106?t) D. y = 2 sin (2106?t) cos (566?t)

Mathematics

Solve the problem.The sum of the reciprocals of two consecutive integers is . Find the integers.

A. 5 and 6 B. 11 and 12 C. 6 and 7 D. 4 and 5

Mathematics

Determine whether the slope of the line is positive, negative, zero, or undefined.

A. undefined B. negative C. positive D. zero

Mathematics