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IgorC [24]
3 years ago
9

Y = x + 2 5x - 4y = -3 Solving systems by equations

Mathematics
1 answer:
Lunna [17]3 years ago
6 0

Answer: x = 5, y = 7

Step-by-step explanation:

First, put the variables together/rearrange:

y - x = 2 & 5x - 4y = -3

Cancel out variable x by multiply the first equation by 5:

5y - 5x = 10 & 5x - 4y = -3

Add equations:

y = 7

Then determine x by plugging y back into the first equation y = x + 2:

x = 5

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astra-53 [7]

Answer:

49 +80= 129

180 - 129= 51

Opposite are equal.

Extend line of QR - so, the x shape made can be used to calculate what x is.

51 + 51 = 102

Reflex angles adds to 360

360-102= 258 of the other opposite angles left.

258/2 = 129 since opposite angles are equal.

Answer is 129 degrees

Hope this helps!

3 0
3 years ago
PICKING BRAINIEST<br> which equation could be used to solve for the length of XY?
liq [111]
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bixtya [17]

Answer:

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Step-by-step explanation:

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3 years ago
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Answer:

When you cube root x to the power of 6, x becomes squared, and the exponent, 5, makes it x to the power of 10.

Step-by-step explanation:

5 0
3 years ago
Which of the following is a factor of 5x3 + 320?
bogdanovich [222]
Factor: 
5x^3 + 320


Answer when factored:
= 5(x + 4)(x^2  - 4x + 16)




Hope that helps!!!
3 0
3 years ago
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