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3 years ago

Write equations for the phrases.

Mathematics

1 answer:

tatyana61 [14]3 years ago

5 0

Answer:

1/2n=34

5n=3/5

5-n=-6

n/3=9

t/3=34

Step-by-step explanation:

of=multiplication

times=multiplication

minus=subtraction

divided=division

quotient=answer to a division problem

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Answer:

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Step-by-step explanation:

$x^2 - 7x + 9 = 0\quad\implies\quad a=1\,,\ b = -7\,,\ c=9\\\\x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}=\dfrac{-(-7)\pm\sqrt{(-7)^2-4\cdot1\cdot9}}{2\cdot1}=\dfrac{7\pm\sqrt{49-36}}2\\\\x_1=\dfrac{7+\sqrt{13}}2\,,\quad x_2=\dfrac{7-\sqrt{13}}2$

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Answer:

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Step-by-step explanation:

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