Each year for 5 years the time it takes you to run a mile decreases by 8 seconds. find the total change in time

Total change in time is -40 seconds. It is represents by the integer -40 because negative sign represents the decrease in time.

Step-by-step explanation:

It is given that each year for 5 years the time it takes you to run a mile decreases by 8 seconds.

Total number of year = 5

Change in each year = -8

Here negative sign represents the decrease in time.

Total change in time = Total number of year × Change in each year

Therefore, total change in time is -40 seconds. It means, we need 40 seconds less to run a mile.

step-by-step explanation:

in which figure is point g a centroid

step-by-step explanation:

i think something is missing in your question because y-1=(x-12) would not pass through the point (-4,-3). because if you replace x by -4 your are supposed to find y=-3 which is not the case her. if you replace x by -4 you find =-15.

i assume the right equation is y-1=1/4*(x-12) because this one is passing through both your points (if you are interested to know how i found that out i can tell you).

in this equation if i replace x by -4 i find y=-3 and if i replace x by 12, i find y=1 so the line representing this equation is passing through those 2 points.

then the standard form of the equation is finding an expression of y in function of x

y-1=1/4*(x-12)

y=x/4-3+1

y=x/4-2

hope that .

do you confirm there was a mistake in the question?