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Liono4ka [1.6K]
4 years ago
6

Cindy wrote the expression 2x + 2x + x + 1 + 1 -4 to represent ari’s distance. Is her expression correct? Explain

Mathematics
1 answer:
lukranit [14]4 years ago
7 0
Yes, this expression is correct, but a better expression would be one with limited variables, so basically add like terms

The final answer is 5x + 2.
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If x represents an even number, which expression represents an odd number?
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Test the choices !
Pick an even number, and see what each choice does to it.

Let's start with, say,  6 .
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a).  6 to the 2nd power. . . . . .  6 x 6 = 36.  That's not an odd number.

b).  6 + 3  =  9  This could be it.  9 is odd. We'll save this one.

c).  3·6 = 18.  That's not an odd number.

d).  6/3 = 2.  That's not an odd number.

The only one that gave us an odd number is (b).


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Answer:

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