3 years ago

Who wants to help me with my aleks programs

Mathematics

1 answer:

gavmur [86]3 years ago

8 0

I can try what exactly do you need help with

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What multiplies to -12 but added together equals -10

Airida [17]

Let the two numbers be x and y, then,
xy = -12 . . . (1)
x + y = -10 . . . (2)
From (2), x = -10 - y . . . (3)
Putting (3) into (1), gives
(-10 - y)y = -12
-10y - y^2 = -12
y^2 + 10y - 12 = 0
$y= \frac{-10\pm \sqrt{10^2-(4\times(-12))} }{2} = \frac{-10\pm \sqrt{148} }{2} = \frac{-10\pm 2\sqrt{37} }{2} = -5\pm\sqrt{37}$

Therefore, the two numbers are $-5+\sqrt{37}$ and $-5-\sqrt{37}$

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3 years ago

•Do you support the attempt by the USA to bring freedom and democracy to the world?

Natasha_Volkova [10]

The answer I’m guessing would be B :)

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3 years ago

What is the matrix for y+x=4 and 2x-3y=3

andrew11 [14]

Given equations:

x+y = 4;
2x-3y = 3;

Matrix form would be:

$\left[\begin{array}{cc}1&1\\2&-3\end{array}\right] \left[\begin{array}{c}x\\y\end{array}\right] = \left[\begin{array}{c}4\\3\end{array}\right]$

-i

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3 years ago

I need help <br> this is due today at 4

Mrrafil [7]

Answer:

Hi The Answer is A.

Step-by-step explanation:

The Answer is A Because of the funter travel of the X.

x*y=z

Hope This Helps.

My name is John henry.

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