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UkoKoshka [18]
2 years ago
10

Here is the next question jj

Mathematics
1 answer:
katen-ka-za [31]2 years ago
5 0

Answer:

3.7 and east.

Step-by-step explanation:

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I can not figure out how to do this question and I need help please
spayn [35]
\bf \textit{quadratic formula}\\\\

\begin{array}{lcclll}
1x^2&-6x&+12&=0\\
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\qquad \qquad 
x= \cfrac{ - {{ b}} \pm \sqrt { {{ b}}^2 -4{{ a}}{{ c}}}}{2{{ a}}}
6 0
3 years ago
Need help please !!!!!<br><br> Will mark as brainliest!!!!<br><br> (Don’t mind my answers)
Alika [10]

Answer:

Can you give me the choices for each of these, I'm not sure how they might phrase it.

3 0
2 years ago
This last one I need help on too
ExtremeBDS [4]

Answer:

x=\frac{3}{4}+i\frac{\sqrt{7}}{4},\:x=\frac{3}{4}-i\frac{\sqrt{7}}{4}

Step-by-step explanation:

simplify \frac{-3}{x-2} by putting the negative sign on the outside. \frac{2x}{x-1}-\frac{2x-5}{x^2-3x+2}=-\frac{3}{x-2}

find the LCM of the denominators. It is (x-1)(x-2). Multiply by the LCM:

\frac{2x}{x-1}\left(x-1\right)\left(x-2\right)-\frac{2x-5}{x^2-3x+2}\left(x-1\right)\left(x-2\right)=-\frac{3}{x-2}\left(x-1\right)\left(x-2\right)

Simplify:

2x\left(x-2\right)-\left(2x-5\right)=-3\left(x-1\right)

solve: x=\frac{3}{4}+i\frac{\sqrt{7}}{4},\:x=\frac{3}{4}-i\frac{\sqrt{7}}{4}

3 0
3 years ago
How do I solve system of equations substitution method??!!?!???
adelina 88 [10]
For example:

x+2y=7
6x+7y=2
__________

x=7-2y *
6*(7-2y)+7y=2 **

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8 0
3 years ago
Simplify 4xy + 9x - 3y + z + xy
Contact [7]
4xy + 9x - 3y + z + xy

 Combine Like Terms<span>
 =<span><span><span><span><span><span>4x</span>y</span>+<span>9x</span></span>+<span>−<span>3y</span></span></span>+z</span>+<span>xy</span></span></span><span>
   =<span><span><span><span>(<span><span><span>4x</span>y</span>+<span>xy</span></span>)</span>+<span>(<span>9x</span>)</span></span>+<span>(<span>−<span>3y</span></span>)</span></span>+<span>(z)</span></span></span><span>
   =<span><span><span><span><span>5x</span>y</span>+<span>9x</span></span>+<span>−<span>3y</span></span></span>+z</span></span>

Answer <span>=<span><span><span><span><span>5x</span>y</span>+<span>9x</span></span>−<span>3y</span></span>+<span>z


I hope this helps, can I get brainliest thanks</span></span></span>
6 0
3 years ago
Read 2 more answers
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