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poizon [28]
3 years ago
9

Evaluate: r-9 for r = 20

Mathematics
2 answers:
Lemur [1.5K]3 years ago
8 0
Well if you need to find out what R - 9 is and R=20 then 20-9= 11 so 11 is your answer. :)))) Super Sorry if I'm wrong. :(((
Paraphin [41]3 years ago
3 0

If r = 20, then plug 20 into the equation.

so instead of r - 9, it's 20 - 9

20 - 9 = 11

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