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Colt1911 [192]
3 years ago
13

humans usually have 20 baby teeth, which are replaced by 32 adult teeth. Raúl said he has lost 6/20 of his baby teeth. write two

fractions equivalent to this number. Explain how you came up with the fractions.
Mathematics
1 answer:
erica [24]3 years ago
7 0
6/20 = 3/10 = 12/40

I got 3/20 by dividing 6/20 by 2/2 and 12/40 by multiplying 6/20 by 2/2. You can make fractions <span>equivalent</span> by multiplying the numerator and denominator by the same number
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Answer:

5x^2  -3x  +9

Step-by-step explanation:

To subtract, line up the common terms.  I add a 0 term to keep the terms in line.

5x^2  + 0x  +7

- (0x^2 +3x-  2 )

------------------------


Distribute the negative sign.

5x^2  + 0x  +7

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------------------------

5x^2  -3x  +9

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