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gtnhenbr [62]
3 years ago
12

Help with this math homework please

Mathematics
1 answer:
labwork [276]3 years ago
5 0

Answer:

When you add an irrational and rational number the sum becomes irrational as well.

Alright so let's pick an irrational number I'm gonna say pi. A rational number, let's go with 1. Pi plus 1 is about 4.14 rounded to the nearest hundredth. How about multiplying? It's pi still cause anything times one equals itself.

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In 2000, the population of a state was approximately 659 thousand. If the population decreased by 0.8% between 200 and 2009, fin
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3 0
3 years ago
−1/3−(−1/2)
Radda [10]

Hi ;-)

-\frac{1}{3}-(-\frac{1}{2})=-\frac{1}{3}+\frac{1}{2}=-\frac{2}{6}+\frac{3}{6}=\frac{3}{6}-\frac{2}{6}=\frac{1}{6}\\\\3\frac{1}{3}-5=-(5-3\frac{1}{3})=-(4\frac{3}{3}-3\frac{1}{3})=-1\frac{2}{3}\\\\-1\frac{4}{5}-(-2\frac{7}{8})=-1\frac{4}{5}+2\frac{7}{8}=-1\frac{32}{40}+2\frac{35}{40}=2\frac{35}{40}-1\frac{32}{40}=1\frac{3}{40}\\\\-3\frac{3}{8}-\frac{7}{8}=-(3\frac{3}{8}+\frac{7}{8})=-3\frac{10}{8}=-3\frac{5}{4}=-4\frac{1}{4}\\\\4\frac{3}{4}-(-1\frac{1}{12})=4\frac{9}{12}+1\frac{1}{12}=5\frac{10}{12}

6 0
2 years ago
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