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jenyasd209 [6]
2 years ago
11

Answer these questions please !

Mathematics
1 answer:
mixas84 [53]2 years ago
3 0
Answer: B for the top question

And for the second question I’m not really sure what it’s asking
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3 years ago
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Which choices are solutions to the following equations x^2+8x-2=18
Olin [163]

Answer:

-4 ± 2√6

Step-by-step explanation:

Rewritten in standard quadratic form, x^2+8x-2=18 becomes x^2 + 8x - 20 = 0.

Here the quadratic coefficients are a = 1, b = 8 and c = -20 and so the discriminant is b^2 - 4ac, or 8^2 - 4(1)(-20), or 96.

Because the discriminant is positive, we know that this quadratic has two different real roots.  These roots are:

      -b ± √(b² - 4ac)

x = -------------------------

                 2a

which in this case comes out to:

       -8 ± √96          -8 ± 4√6          

x = ------------------ = ------------------- = -4 ± 2√6

             2                        2

4 0
2 years ago
It has 2 more vertex than an octagon and 2 fewer sides then a hendecagon
kondaur [170]
It's a hexagon it has 6 sides

4 0
3 years ago
Find the are of a triangle ABC.
Firdavs [7]

Answer: 144

Step-by-step explanation:

3 0
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Explain how you know that 88 is a solution to the equation 1/8x=11
zhuklara [117]
Rearrange the equation so that x = 11 divided by 1/8
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