Find the points of intersection of the following function graphs: y=10x−8 and y=−3x+5

Mathematics

1 answer:

Aleks04 [339]3 years ago

3 0

Answer:

(x,y) = (1,2)

Step-by-step explanation:

I used a graphing calculator and put both equations in to find the intersection.

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The drawing below (not to scale) shows a running track. The ends are semicircles. The distance between the two inner parallel st

aleksklad [387]

We are looking for the inner perimeter of the track. Since there are two semicircles, these mix to form one full circle so we can use the formula to find the circumference of the circle with a diameter of 60 m, which was given to us. With a diameter of 60m, the radius will be 30m. Now we can solve this problem.
C = 2πr
C = 2π(30)
C = 60π
The semicircle ends of the track are a distance of 60π m, and now we just need to add the lengths of the inner track which are 100 m each. So:
P = 60π + 100m + 100m
P = 200 + 60π
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IrinaVladis [17]

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Phantasy [73]

Answer:

$y=-2.95836 x +234.56159$

Step-by-step explanation:

We assume that th data is this one:

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$m=\frac{S_{xy}}{S_{xx}}$