Given points,
(x1,y1)=(2,9)
(x2,y2)=(10,6)
now the distance between two points is,
Answer:
2x + 3
Step-by-step explanation:
Let's call the number x
twice a number is 2 times the number, or in this case 2x
3 more than 2x is 2x + 3
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-Chetan K
Answer: 7.5
Step-by-step explanation:
The area is 24 square inches so it would cost $480
Use substitution and substitute y into the other equation. One of the equations already gives you y in terms of x, so use that and substitute it into the other equation. y = 3x - 4
Plug into the other equation: -3y = -9x + 12
-3(3x-4) = -9x + 12
-9x + 12 = -9x + 12
This is an identity. So that means that any value of x makes this equation true. So B.
