Mathematics, 14.12.2019 17:31 totallybriii
Nia solved the equation -1.98 = 5.2v + 13.1. her answer was v = -2.9. she is fairly confident about her answer, but wants to do a quick check of her solution using estimation to make sure her answer is reasonable.
which of the following shows a good check of her answer?
-2 = 5(-3) + 13
-3 = 5(-2) + 13
-1 = 5(-2) + 13
-2 = 5(-2) + 13
Answers: 3
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Nia solved the equation -1.98 = 5.2v + 13.1. her answer was v = -2.9. she is fairly confident about...
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