3 years ago

Consider the scatter plot. I'm struggling can someone help

Mathematics

1 answer:

Romashka-Z-Leto [24]3 years ago

5 0

First this is a positive slope go left to right, next the score is around 50 to 60 percent, the slope is 8

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3 years ago

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igor_vitrenko [27]

It looks like you want to compute the double integral

$\displaystyle \iint_D (x+y) \,\mathrm dx\,\mathrm dy$

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and

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dx dy = r dr dθ

Then the integral is

$\displaystyle \iint_D (x+y)\,\mathrm dx\,\mathrm dy = \iint_D r^2(\cos(\theta)+\sin(\theta))\,\mathrm dr\,\mathrm d\theta \\\\ = \int_0^{2\pi} \int_0^1 r^2(\cos(\theta)+\sin(\theta))\,\mathrm dr\,\mathrm d\theta \\\\ = \underbrace{\left( \int_0^{2\pi}(\cos(\theta)+\sin(\theta))\,\mathrm d\theta \right)}_{\int = 0} \left( \int_0^1 r^2\,\mathrm dr \right) = \boxed{0}$

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3 years ago

A public park is in the shape of a triangle. the sides of the park that forms the base of the triangle is 200 yd long. and the a

Alika [10]

Area of a Triangle = 1/2(Base times Height)
7500=1/2(200*h)
3750=100*h/2
3750/100=h/2
37.5=h/2
37.5*2=h
h=75yd
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4 years ago