Answer:
r is the variable, r=30
Step-by-step explanation:
A variable is a quantity that may change within the context of a mathematical problem or experiment. Typically, we use a single letter to represent a variable. The letters x, y, and z are common generic symbols used for variables.
-4+r=26
4+26=30
r+30
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Answer:
B.
Step-by-step explanation:
hope it helps :)
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B. 24x+27. You multiply everything out and add the x's
Answer:
Identity property of addition 8 + 0 = 8
Identity property of multiplication 8 x 1 = 8
Step-by-step explanation:
He mixed up his properties. 8 + 1 does not equal 8. I want to know what I can add to 8 and that I would still get 8, the answer is zero.
The identity property of multiplication is showing that any number multiplied by 1 is itself.
Answer:
(0,-1)
Step-by-step explanation:
