4 years ago

What numbers add to get -10 and multiply to get -27

Mathematics

1 answer:

SpyIntel [72]4 years ago

8 0

I don't think this is possible. Are you sure you have the correct numbers?

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3 years ago

How many degrees did the spinner turn? A. 90° B. 180° C. 270° D. 360°

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3 years ago

Which of the following are solutions to 2x2 – 8x - 90? Select all that apply.

Bond [772]

Answer:

x=-5, x=9

Step-by-step explanation:

we know that

The formula to solve a quadratic equation of the form

$ax^{2} +bx+c=0$

is equal to

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

in this problem we have

$2x^{2} -8x-90$

equate to zero

$2x^{2} -8x-90=0$

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substitute in the formula

$x=\frac{-(-8)\pm\sqrt{-8^{2}-4(2)(-90)}} {2(2)}$

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3 years ago

Find m Note that m 57.

RSB [31]

Answer:

51*

Step-by-step explanation

I believe this correct only because 51 + <B + <A=180*

Because of that we will make <B equal to <C

Hope this helps!

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