4 years ago

What does A B represent

Mathematics

1 answer:

telo118 [61]4 years ago

3 0

In what ab represents in geometry algebra etc

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The median income for a sample of people from Chicago is about $60,000 and the

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Use the quadratic formula to solve the equation x^2-7x-6=0

olganol [36]

Answer:

$\frac{7\pm\sqrt{73}} {2}$

Explanation:

We have been given with the quadratic equation $x^2-7x-6=0$

We have general formula to find the roots of a quadratic equation first we find the discriminant with formula

$D=b^{2}-4ac$

and after that to find the variable suppose x we have the formula

$x=\frac{-b\pm\sqrt{D}} {2a}$

And general quadratic equation is

$ax^2+bx+c=0$

On comparing the given quadratic equation with genral quadratic equation we will have values

a=1, b=-7 and c=-6

After substituting these values in the formula we will get

$D=(-7)^2-4(1)(-6)={73}$

After substituting in the formula to find x we will get

$\frac{-(-7)\pm\sqrt{73}} {2}= \frac{7\pm\sqrt{73}} {2}$

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Solve: k /8 + 1 − = −19

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k = -144

Step-by-step explanation:

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Which of the following is the graph of y = cosine (2 (x + pi))?

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On a coordinate plane, a curve crosses the y- axis at (0,1). It has a minimum of negative 1 and a maximum of 1. It goes through 2 cycle at 2 pi.

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I NEED THIS ANSWER NOW

SOVA2 [1]

b its hope that helps

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What does A B represent​

What does A B represent