2 years ago

Plot (1,-4) in a coodinate plane

Mathematics

1 answer:

kondor19780726 [428]2 years ago

5 0

Answer:

I can't graph this but I will do my best to explain.

From 0 go right once, then go down 4. that should be where you would put the dot on the graph.

Step-by-step explanation:

Hope this helps!

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Vesnalui [34]

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Oxygen: o2

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4 years ago

In an equation what do v1 and v2 represent

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3 years ago

Compare the surface area-to-volume ratios of the moon and mars. express your answer using two significant figures.

antoniya [11.8K]

we know that

For a spherical planet of radius r, the volume V and the surface area SA is equal to

$V=\frac{4}{3} *\pi *r^{3} \\ \\ SA=4*\pi *r^{2}$

The
ratio of these two quantities may be written as

$SAV =\frac{(4*\pi*r^{2})}{(\frac{4}{3}*\pi*r^{3})} \\ \\ SAV =\frac{3}{r}$

we know

$rMoon=1,738Km\\ rMars=3,397 Km$

$\frac{SAV Moon}{SAV Mars} =\frac{3}{rMoon} *\frac{rMars}{3} \\ \\ \frac{SAV Moon}{SAV Mars} =\frac{rMars}{rMoon} \\ \\ \frac{SAV Moon}{SAV Mars} =\frac{3,397}{1,738} \\ \\ \frac{SAV Moon}{SAV Mars} =1.9545$