identify an equation in point slope form for the line perpendicular to y=-4x-1 that passes through (-2,7)

1 answer:

3 0

because we are looking for a perpendicular line the slope is the opposite recipricole (1/4) we then have to substitute the slope and points into an equation to fint the y intercept 7=1/4(-2)+b it ends up being 7.5=b

the end equation is y=1/4x+7.5

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A school track is shown.

ella [17]

Answer:

2232.36m

Explanation:

since the perimeter of two semicircles adds up to that of one circle, the perimeter of the track would be the perimeter of the circle + the length of the rectangle.

we can find the perimeter of the circle using the formula of π × diameter, which would be:

π × diameter

= 3.14 × 74

= 232.36

now, we can add this to the given length of the rectangle:

232.36 + 1000 + 1000 = 2232.36

thus, the perimeter of the track is 2232.36m.

i hope this helps! :D

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