3 years ago

2.9n+1.7=3.5+2.3n and the answer is 1... Am I correct???

Mathematics

1 answer:

ioda3 years ago

3 0

2.9n+1.7-(1.7)=3.5-(1.7)+2.3n === 2.9n-(2.3n)=1.8+2.3n-(2.3n) === .6n/.6=1.8/.6 === n=3 :)

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Answer number 1 please.

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Base²= Hypotenuse² - Perpendicular ²

$\\ \\$

$\hookrightarrow\sf {a}^{2} = {13}^{2} - {5}^{2}$

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$\hookrightarrow\sf {a}^{2} =169 - 25$

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$\hookrightarrow\sf {a}^{2} =144$

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$\hookrightarrow\sf {a} = \sqrt{144}$

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$\hookrightarrow\sf {a} = \sqrt{12 \times 12}$

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$\hookrightarrow\sf {a} = 12$

Remember the a² in formula has nothing to do with the a we have to find. :)

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