Question

solve this question above given​

Answer 1

Answer:

9) x=6

10) (-1,7/2)

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Answer 2

Answer:

9) 4 10) (2,5)

Step-by-step explanation:

9. Given, y=x/2 => x=2y

3x+4y= 20

On putting x=2y in given equation, we get

6y+4y=20

=> 10y=20 => y=2

On putting y=2 in above equation, we get

3x+4(2)=20

3x+8=20

3x= 12

x= 4

10. Let coordinate of A be(x,y)

Using Mid-point Theorem

(x-2)/2=0 =>x=2

(y+3)/2=4. =>y=5

Therefore Coordinate of A(2,5).