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3 years ago

15

The school’s record in the field day race was 45.78 seconds. This year the record was broken by 0.19 second. What was the new re

cord time this year?

1 answer:

Dvinal [7]3 years ago

8 0

45.78-0.19= 45.59

Hope this helps

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Read 2 more answers

HELP PLS GIVING BRAINLIEST

Setler79 [48]

For this case we have by definition, that the equation of a line in the slope-intersection form is given by:

$y = mx+b$

Where:

m: It's the slope

b: It is the cutoff point with the y axis

We need two points through which the line passes to find the slope:

$(0,1)\\(1, -2)$

We found the slope:

$m = \frac {y2-y1} {x2-x1}\\m = \frac {-2-1} {1-0} = \frac {-3} {1} = - 3$

So, the equation is of the form:

$y = -3x + b$

We substitute a point to find "b":

$1 = -3 (0) + b\\1 = b$

Finally, the equation is:

$y = -3x+1$

Answer:

Option C

8 0

3 years ago