Malcolm buys a 5/6 pound bag of black beans and a 3/4 pound bag of pinto beans how many pounds of beans does Malcolm have in all
. I´m not sure whether to add or multiply
2 answers:
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Answer: Choice B)
We have some value m and we're squaring it to get
To undo this and isolate m, we apply the square root to both sides
There are two solutions here. This is similar to how there are two solutions in something like (those two solutions being x = 5 and x = -5). Squaring any negative number leads to a positive result because
negative times negative = positive.