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padilas [110]
3 years ago
10

Solve for the indicated variable. 5y + 4x = 6 for x solve for x x=

Mathematics
1 answer:
katrin2010 [14]3 years ago
6 0

Answer:

x = 3/2 - 5y/4

Step-by-step explanation:

5y + 4x = 6

-5y             -5y

4x = 6-5y

/4     /4 /4

x = 6/4 - 5y/4

x = 3/2 - 5y/4

Move all terms that don't contain  x  to the right side and solve.

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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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3 years ago
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Answer:

It would be 7701

Step-by-step explanation: hope this helps!

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Problems<br>Simplity each expression 4(9+8)​
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36+32 << multiply

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Mickey draws two distinct intersecting lines, p and q. Which conclusions must be true? Select three that apply.
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Hey there!

D is the answer.

I was thinking it might be B but no one said the lines crossed each other.

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