5x + y = 27
- 10x + 7y = -36 what is the x-coordinate

For 5x + y = 27;  

For -10x + 7y = -36;  

Step-by-step explanation:

None because it will be in the screenshots.

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9514 1404 393

  x = 5

Step-by-step explanation:

The x-coordinate of the solution can be found by subtracting the second equation from 7 times the first.

  7(5x +7) -(-10x +7y) = 7(27) -(-36)

  45x = 225 . . . . . simplify

  x = 5 . . . . . . . . . . divide by 45

The x-coordinate of the solution is 5.

_____

The y-coordinate is 2.

the answer is b. 60. each interior angle in 120, so the exterior angle must be 60 in order to add up to 180

step-by-step explanation:

the rocket cannot penetrate the ground, in a contextual sense, therefore the roots of this equation should be the domain of this function. i'll let you find the roots of this quadratic equation (hint: use the quadratic formula:  

1- c

2-a

step-by-step explanation:

mark brainliest!