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Fittoniya [83]
3 years ago
8

-2x+3y=-12 2x+y=4 After adding the two equations to eliminate x you are left with 4y=-8 Solve for y: y =

Mathematics
2 answers:
Anastaziya [24]3 years ago
5 0

Answer:

y= -2

Step-by-step explanation:

on edg 2020 :))

Marina86 [1]3 years ago
3 0

Answer:

y = -2

Step-by-step explanation:

y = -8/4 = -2

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Answer:

The answer is 48.

Step-by-step explanation:

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3 years ago
What is the slope of the line through the points (2, 4) and (2, -11)?
Shkiper50 [21]

Answer:

The slope of the line would be undefined

Step-by-step explanation:

First you take the y of the second point and subtract it from the y of the first point. -11 - 4. That leaves you with -15. Then you take the x of the second point and subtract it from the x of the first point. that leaves you with 0. Then you put y over x. You then have -1`5/0. That is undefined.

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Step-by-step explanation:

3 0
2 years ago
5. Solve the equation z^2 + 4z - 9 = 0 by completing the square.
Luba_88 [7]

Answer:

A. Z = 2 + N13

Step-by-step explanation:

Let's solve your equation step-by-step.

0=z2+4z−9

Step 1: Subtract z^2+4z-9 from both sides.

0−(z2+4z−9)=z2+4z−9−(z2+4z−9)

−z2−4z+9=0

For this equation: a=-1, b=-4, c=9

−1z2+−4z+9=0

Step 2: Use quadratic formula with a=-1, b=-4, c=9.

z=

−b±√b2−4ac

2a

z=

−(−4)±√(−4)2−4(−1)(9)

2(−1)

z=

4±√52

−2

z=−2−√13 or z=−2+√13

8 0
3 years ago
Find the value of given expression<br><br><img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B62500%7D%20" id="TexFormula1" title=" \
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Answer:

250 is the answers for the question

Step-by-step explanation:

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Read 2 more answers
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