Answer:
x = 5, y = -1/2
Step-by-step explanation:
3.5x - 5y = 20
3x + 4y = 13 multiply by 1.25 so the y's match up (you could match x's too)
3.75x + 5y = 16.25
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3.5x - 5y = 20
3.75x +5y = 16.25
7.25x + 0y = 36.25 you can add or subtract here (on this equation you add)
7.25x=36.25
x=5 So now we have x=5 and to find y we can just plug in x into one of the equations
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3(5) + 4y = 13
15 + 4y = 13
4y = -2
y = -1/2
x = 5, y = -1/2
Then you can plug in both to check your answers.
Answer:
1. Yes
2. Slope is 2
3. 0, -4
4. y = 4x - 4
5. f(x) = 4x - 4
6. f(9) = 4(9) - 4
y = 32
7. f(36) = 4(26) - 4
y = 100
Hope this helps... Good Luck!
The answer to this question is 0.4.
My teacher always told me if you dont know the answer choose c.
2 composite numbers having 8 as factor:
8, 16, 24, 32, 40, 80, 800, 120 etc