Use a tree diagram showing all possible results when a die is rolled twice. List the ways of getting the following result.The sum of the numbers showing is either 4 or 5 and one die is a 2.
A. (2,2),(2,3),(3,2)
B. (2,2),(2,3)
C. (2,3),(3,2)
D. (2,2),(3,2)
Answer: A
Mathematics
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Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Mathematics
There are 10 nodes on a computer network. Each node connection should be of equal length. The actual measurements are shown below in feet. Find the mean length. 52, 50, 52, 51, 50, 51, 48, 49, 49, 50
a. 50.8 b. 51 c. 50.2 d. 49.9
Mathematics
Subtract and simplify.15
- 6
A. 8
B. 7
C. 9
D. 8
Mathematics
Factor the expression completely. If the polynomial is prime, state this as your answer.343y3 - 1
A. (7y + 1)(49y2 - 7y + 1) B. (7y - 1)(49y2 + 1) C. (343y - 1)(y2 + 7y + 1) D. (7y - 1)(49y2 + 7y + 1)
Mathematics