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ss7ja [257]
3 years ago
9

Solve the system of equation 8x+5y=24 y=-4x​

Mathematics
2 answers:
Natasha_Volkova [10]3 years ago
8 0

Answer:

x=-2, y=8. (-2, 8).

Step-by-step explanation:

8x+5y=24

y=-4x

----------------

8x+5(-4x)=24

8x-20x=24

-12x=24

x=24/-12

x=-2

y=-4(-2)=8

shusha [124]3 years ago
6 0

Answer:

x = -2 , y = 8

Step-by-step explanation:

8x + 5 (-4x) = 24

8x -20x = 24

-12x = 24

x = 24/-12

x = -2

y = -4x

y = -4 * -2

y = 8

mark me brainliest

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1. Parallelogram WXYZ is shown on the coordinate plane ect... <br><br> Added photo plz help!!
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Answer:

Step-by-step explanation:

12.718 units

Step-by-step explanation:

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Now, length of WX =  units,  To find the units click this link :

https://tex.z-dn.net/?f=%5Csqrt%7B(-1)%5E%7B2%7D%20%2B%204%5E%7B2%7D%20%7D%20%3D%20%5Csqrt%7B17%7D%20%3D%204.123

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5 0
3 years ago
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6 0
3 years ago
Read 2 more answers
Easy question i will mark braineliest
Yuki888 [10]

Answer:

<h2>0.67</h2>

Step-by-step explanation:

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Distribute 4.7 through the parentheses

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Move ' 4.7 y ' to L.H.S and change it's sign

5y - 4.7y - 19 =  - 18.8

Move constant to R.H.S and change it's sign

5y - 4.7y =  - 18.8 + 19

Collect like terms

0.3y =  - 18.8 + 19

Calculate

0.3y = 0.2

Divide both sides of the equation by 0.3

\frac{0.3y}{0.3}  =  \frac{0.2}{0.3}

Calculate

y = 0.67

Hope this helps...

Best regards!!

3 0
3 years ago
Read 2 more answers
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