3 years ago

A. Adjacent

Mathematics

1 answer:

Wittaler [7]3 years ago

5 0

Adjacent bc I did this yesterday

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Step-by-step explanation:

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4 years ago

The total weight of three tables is 16.9 pounds. The first table is twice as heavy as the second table and the weight of the thi

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Peggy takes 2.5 hours to deliver 328 magazines. What is the rate per hour she is delivering the magazines

grandymaker [24]

Answer: 131 magazines per hour

Step-by-step explanation:

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3 years ago

What two numbers add to be 6 and multiply to be 15

yarga [219]

$\displaystyle \bf \\
x_1+x_2=6\\\\
x_1\cdot x_2=15\\\\
\Longrightarrow~~x^2-6x+15=0\\\\
x_{12}=\frac{-b\pm\sqrt{b^2-4ac}}{2a}=\frac{6\pm\sqrt{36-60}}{2}=\\\\
=\frac{6\pm\sqrt{-24}}{2}=\frac{6\pm2\sqrt{-6} }{2}=3\pm i\sqrt{6}\\\\
x_1=\boxed{3-i\sqrt{6}}\\\\
x_2=\boxed{3+i\sqrt{6}}\\\\
\texttt{Verify:}\\\\
x_1+x_2=3-\underline{i\sqrt{6}}+3+\underline{i\sqrt{6}}=3+3=6~~correct\\\\
x_1\cdot x_2=(3-i\sqrt{6})(3+i\sqrt{6})=3^2-(i\sqrt{6})^2=9+6=15~~correct$

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Papessa [141]

False. I hope this helps.

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3 years ago

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