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dajapeay

  • 4 years ago

In the following situations, is there likely to be a correlation? If so does the correlation reflect a causal relationship? Explain. the average daily winter temperature and your heating bill A. There is a positive correlation. The higher the average daily winter temperature the higher your heating bill. B. There is a negative correlation and a causal correlation. The higher the average daily winter temperature the lower your heating bill. C. There is no correlation.

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  1. dumbcow
    • 4 years ago
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    B, you use less heat in warmer temperatures

  2. dajapeay
    • 4 years ago
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    thanks what about Write an equation for the line that is parallel to the given line and passes through the given point. y = x + 8; (4, 10)

  3. dumbcow
    • 4 years ago
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    parallel --> same slope point slope form of line y - y1 = m(x-x1) plug in your slope (m) and given point (x1,y1) = (4,10)

  4. dajapeay
    • 4 years ago
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    Write an equation in point-slope form for the line through the given point with the given slope. (8, 3); m = 6 A. y + 3 = 6(x - 8) B. y - 3 = 6(x - 8) C. y - 3 = 6(x + 8) D. y + 3 = 6x + 8

  5. dajapeay
    • 4 years ago
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    which one

  6. dumbcow
    • 4 years ago
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    haha what happened to last question? anyway i gave you general form, you pick which one

  7. dajapeay
    • 4 years ago
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    dnt get it

  8. dumbcow
    • 4 years ago
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    dont get what? plug in 8 and 3 for x1 and y1

  9. dajapeay
    • 4 years ago
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    8/3

  10. dumbcow
    • 4 years ago
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    ?

  11. dumbcow
    • 4 years ago
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    y - y1 = m(x-x1) m=6 x1 =8 y1 =3 plug those values in

  12. dajapeay
    • 4 years ago
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    C. y - 3 = 6(x + 8)

  13. dumbcow
    • 4 years ago
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    how does (x-8) become (x+8) its x - x1

  14. dumbcow
    • 4 years ago
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    if x1 = -8, then it would be (x+8) x-(-8) = x+8

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