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coldgirl [10]
2 years ago
9

Anyone know the answer?

Mathematics
2 answers:
Stolb23 [73]2 years ago
8 0

Answer:

y-intercept = 1

Step-by-step explanation:

Here 1 grids crossing means increasing or decreasing by 1 grid. Here we are seeing the line crosses 1 grid above 0. So its positive 1. From here we find the y intercept is +1. Line crosses at coordinate ( 0 , 1 )

mart [117]2 years ago
8 0

<u>Answer:</u>

  • y-intercept = 1

<u>Explanation:</u>

The y-intercept of a line is the point of a line that intersects the y-axis. When we look at the line, we can tell that the line is intersecting at (0,1) on the y-axis. When we compare (0,1) to (x,y), we can tell that the intersecting x-coordinate is 0 and the intersecting y-coordinate is 1.

<u>Hence,</u><u> 1</u><u> is the </u><u>y-intercept.</u>

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Answer:

30 mph

Step-by-step explanation:

Let d = distance (in miles)

Let t = time (in hours)

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Using:  distance = speed x time

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We are told that the total driving time is 1 hour, so the sum of these expressions equals 1 hour:

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Now all we have to do is solve the equation for v:

\implies \dfrac{18(v+15)}{v(v+15)} +\dfrac{18v}{v(v+15)}=1

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