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nalin [4]
2 years ago
5

Which expression does not factor? m3 + 1 m3 – 1 m2 + 1 m2 – 1

Mathematics
2 answers:
olchik [2.2K]2 years ago
6 0

m^2 + 1 is correct on edge

lara [203]2 years ago
4 0
I think the answer is m2+1. Hope this helps. :)
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dmitriy555 [2]

Answer: 4.5 pounds.

Step-by-step explanation:

Given : Weight of original pipe =45 pounds

Weight of first piece = 18 pounds

Then, Weight of  other piece = 45- 18 =  27 pounds

Length of first piece = 3 feet

Let x be the length of other piece.

As length is directly proportional to weight.

Then, \dfrac{x}{27}=\dfrac{3}{18}

\Rightarrow\ \dfrac{x}{27}=\dfrac{1}{6}\\\\\Rightarrow\ x=\dfrac{1}{6}\times27 =4.5

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2 years ago
Edward deposited $6,000 into a savings account 4 years ago. The simple interest rate is 3%. How much money did Edward earn in in
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Hello IdontKnowHowToMath,

first, converting R percent to r a decimal
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2 years ago
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tino4ka555 [31]

Use the fact that \sin x = \sqrt{1-\cos^2 x} to solve it.

\sin(\arccos(-\frac{9}{\sqrt{145}}))=\sqrt{1-\cos^2(\arccos(-\frac{9}{\sqrt{145}}))} =\\= \sqrt{1-(-\frac{9}{\sqrt{145}})^2}=\frac{8}{\sqrt{145}}

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Question:

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