Give a direct proof of the following angles



Proof: STATEMENTS REASONS

?2 and ?4 are vertical angles ________________________


Def. of supp. ?'s

Mathematics

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Solve the application and answer with a complete sentence.The perimeter of a square is 56 inches. What is the length of each side of the square?

A. The length of each side is 14 inches. B. The length of each side is 42 inches. C. The length of each side is 7 inches. D. The length of each side is 28 inches.

Mathematics

Two dice are rolled. Find the probability of the event described.The score on the dice is at least 7.

A.
B.
C.
D.

Mathematics

Provide an appropriate response.Playing a fair "shell game," the probability of winning the game should be given by p = . One person plays the game 50 times but only wins 7 times. Using n = 50, approximate P(X = 7) by using the normal approximation.

Fill in the blank(s) with the appropriate word(s).

Mathematics

Provide an appropriate response.Is it true that the expression 7x3 - 80 has no common factor other than 1?

A. Yes, this is true. B. No, this is not true.

Mathematics