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3 years ago

PLEASE HEEEEELP

Mathematics

1 answer:

Lena [83]3 years ago

4 0

Answer:

C)Ok i pick the point (18,4)

this point represents that if this person studied from 18 hours they got a GPA of 4.0

D) the chart below is the scatter plot

Hope This Helps!!!

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3 years ago

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Mamont248 [21]

Answer:

(-1, 4.5)

Step-by-step explanation:

[(1-3)/2, (3+6)/2]

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3 years ago

The formula for the area of a circle is A equals xr2 this formula allows you to find the area of a circle if you know the radius

iVinArrow [24]

Answer:

The relation for the area of circle with radius , Diameter , circumference is

A= $\pi$ × radius²

A = $\frac{\pi D^{2} }{4}$

A = $\frac{c^{2} }{4\pi }$

Step-by-step explanation:

Given as :

The formula for the area of circle = $\pi$ × radius²

I.e A = $\pi$ × radius²

Now If we know radius then

Area calculated as A= $\pi$ × radius²

If we know Diameter then

Area calculated as $\pi$ × ( $\dfrac{\textrm Diameter}{2}$ )²

Or, A = $\pi$ × ( $\dfrac{\textrm D}{2}$ )²

I,e A = $\frac{\pi D^{2} }{4}$

If we know the circumference then

∵ circumference = c = 2 × $\pi$ × radius

or, c = 2 × $\pi$ × r

from here we calculate radius

I.e r = $\frac{c}{2\pi }$

And So , Area ( A ) = $\pi$ × radius²

I.e A = $\pi$ × ( $\frac{c}{2\pi }$ )²

Or, A = $\frac{c^{2} }{4\pi }$

Hence The relation for the area of circle with radius , Diameter , circumference is

A= $\pi$ × radius²

A = $\frac{\pi D^{2} }{4}$

A = $\frac{c^{2} }{4\pi }$ Answer

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3 years ago

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Answer:

i will tell u if u give me brain liest

Step-by-step explanation:

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3 years ago