Rewrite each sum using the commutative property of addition.10 +  =

A. 24 + 
B.  + 
C. 24 + 10
D.  + 10


Answer: D

Mathematics

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If and are both right angles, then one can conclude that:

A. a? b B. b? d C. a || b D. None of These

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Write the rational number as a decimal and state whether the decimal is repeating or terminating.- 

A. -2. repeating
B. -7. repeating
C. -0.8 terminating
D. -0. repeating

Mathematics

Solve the problem.A carpenter makes a door frame whose outside dimensions are 68 inches tall by 54 inches wide. To make sure that the door is still in the shape of a rectangle he measures both the diagonals using the inside corners. If each piece of wood is 2 inches thick, how long should the inside diagonals be to the nearest tenth of an inch? Hint: The frame has no bottom on it.

A. 43.1 inches B. 7540 inches C. 122 inches D. 82.8 inches

Mathematics