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RideAnS [48]
2 years ago
10

What is the opposite of -21? show all work

Mathematics
1 answer:
bogdanovich [222]2 years ago
8 0
21 is the opposite of -21
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During a recent year, charitable contributions in the United States totaled $371 billion. The graph below shows to whom this mon
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Using proportions, it is found that $55.7 billion was donated to educational organizations.

<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount, and the measures are related using a rule of three. Due to this, relations between variables, either direct or inverse proportional, can be built to find the desired measures in the problem.

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