2 years ago

What is negative five plus negative four bracketed

Mathematics

1 answer:

Brrunno [24]2 years ago

8 0

-5+(-4)

-5-4

-9

Therefore, -9 is the correct answer

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What are the solutions to 3x^2 = 8x — 6?

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Answer:

First, let's move all terms to one side,

$\sf x^2-8x+6=0$

When given this form (ax^2+bx+c=0), there will be two solutions at the end.

1) $\sf x=\frac{-b+\sqrt{b^2-4ab} }{2b}$

2) $\sf x=\frac{-b-\sqrt{b^2-4ab} }{2b}$

where, a=1, b=-8, c=6

$\sf x=\frac{8+\sqrt{(-8)^2-4\times6} }{2} ,\frac{8-\sqrt{(-8)^2-4\times6} }{2}$

Simplify,

$\sf x=\frac{8+2\sqrt{10} }{2} ,\frac{8-2\sqrt{10} }{2}$

Simplify,

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Hope it helps!

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Explanation:

Let me double check.

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3 years ago

Points and linr determine thr slope line (1,2) and (2,1)

kotegsom [21]

Slope is (y2-y1)/(x2-x1)

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slope is 0 which means it is a horizontal line.

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False

Step-by-step explanation:

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The number 27 is A l composite B l prime

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This one is A composite number

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