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lianna [129]
3 years ago
11

The equation of a line is x + 5y = 12. What is the y-intercept of the line

Mathematics
1 answer:
kodGreya [7K]3 years ago
4 0
Simple...

remember isolate the variable...

x+5y=12

x+5y=12
-x

5y=12-x

Now divide y 5....

\frac{5y}{5} = -\frac{x}{5} + \frac{12}{5}

The y-intercept would be....  

\frac{12}{5}

Thus, your answer.

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pickupchik [31]

Answer:

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Step-by-step explanation:

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For point a:

Calculating the value for y\^  \ \  x = 212,\ \  d_1 = 1, and  \ \ d_2 = 0

y\^  = -0.45 + 3.78(212)  -11.88(1) + 5.25(0)

     = -0.45 + 801.36 -11.88 + 0\\\\= 789.03  

For point b:

Calculating the value of y\^ \ \ for \ \ x = 212, \ \ d_1 = 0, and \ \ d_2 = 1

y\^  = -0.45 + 3.78(212)  -11.88(0) + 5.25(1)  

    = -0.45 + 801.36 -0 + 5.25\\\\= 806.16

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3 years ago
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