Draw a tree diagram for the experiment. Then use the diagram to find the number of possible outcomes.Choose a number (1, 2, 3 or 4) and then toss a coin.

A. 8 outcomes
B. 2 outcomes
C. 1 outcome
D. 6 outcomes


Answer: A

Mathematics

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Prove the identity.cos 2y = 

What will be an ideal response?

Mathematics

Change the percent 5.5% to an equivalent decimal number and reduced fraction.

A. 0.55; 
B. 0.055; 
C. 0.0055; 
D. 5.5; 

Mathematics

Write a system of equations that will solve the problem. It is not necessary to solve the problem. Alexandra works for two clients during one month. She works a total of 180 hours during the month. She works 50 hours more for one client (y) than for the other (x).

A) x + y = 180, x = y + 50 B) x - y = 180, x = y + 50 C) y - x = 180, y = x - 50 D) x+y = 180, y = x + 50 E) x + y = 180, x - y = 50

Mathematics

Perform the indicated operation. + 

A. 10
B.
C. 5
D.

Mathematics