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aivan3 [116]
3 years ago
8

Simplify each expression 50 1/2 + (-12.3) -50 1/2 + (12.3) -50 1/2 + 12.3

Mathematics
1 answer:
padilas [110]3 years ago
5 0

Answer:

-262.8

Step-by-step explanation:

i don't know how to do the step by Step T. T, hooe it helps tho ^^

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The number a is smaller than the number b by 1/5 of b. By what part of a is b bigger than a?
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Answer:

The number b is bigger than the number a by \dfrac{1}{4} of a.

Step-by-step explanation:

1. If the number a is smaller than the number b by 1/5 of b, then

a+\dfrac{1}{5}b=b.

Thus,

a=b-\dfrac{1}{5}b=\dfrac{4}{5}b,\\ \\b=\dfrac{5}{4}a.

2. Consider the expression b=\dfrac{5}{4}a:

b=\dfrac{5}{4}a=\dfrac{4}{4}a+\dfrac{1}{4}a=a+\dfrac{1}{4}a.

This gives you that the number b is bigger than the number a by \dfrac{1}{4} of a.

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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Step-by-step explanation:

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I don't have a question but my geometry homework on mathxl had this same question and I put that answer and it was wrong.
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OOOF! I would send a screenshot to my teacher if that happened. Online math sometimes does that. On maths watch I answered correctly but it doesn't accept the answer. Its so annoying

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