3 years ago

Really need the answers

Mathematics

1 answer:

yan [13]3 years ago

6 0

Answer:

Of what???? what question?

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4 years ago

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Tavon has a gift card for $70 that loses $3 for each 30-day period it is not used. He has another gift card for $ 60 that loses

vladimir2022 [97]

Hello,

Your answer would be: 55

<u><em>My work:</em></u>

For this problem all you have to do is keeping subtracting 3 until you get a matching number in which I got 55.

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3 years ago

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xxTIMURxx [149]

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Step-by-step explanation:

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3 years ago

Use the quadratic formula to solve the equation -3x2-x-3=0

Novosadov [1.4K]

Answer:

$x=\frac{1+\sqrt{35}i}{-6}\,\, and\,\, x=\frac{1-\sqrt{35}i}{-6}\\$

Step-by-step explanation:

the quadratic formula is:

$x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}$

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Putting values in the formula

$x=\frac{-(-1)\pm\sqrt{(-1)^2-4(-3)(-3)}}{2(-3)}\\x=\frac{1\pm\sqrt{-35}}{-6}\\x=\frac{1+\sqrt{-35}}{-6}\,\, and\,\, x=\frac{1-\sqrt{-35}}{-6}\\We\,\, know \,\,that \,\,\sqrt{-1} = i \\x=\frac{1+\sqrt{35}i}{-6}\,\, and\,\, x=\frac{1-\sqrt{35}i}{-6}\\$

So, $x=\frac{1+\sqrt{35}i}{-6}\,\, and\,\, x=\frac{1-\sqrt{35}i}{-6}\\$

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3 years ago

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