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Alik [6]
3 years ago
7

Cyruer.

Mathematics
1 answer:
Maslowich3 years ago
4 0

Answer:

Hello,

Step-by-step explanation:

Area of the sphere:

S=4*\pi *r^2

Volume of the sphere:

V=\dfrac{4*\pi *r^3}{3}

\dfrac{S}{3} =\dfrac{V}{7} \\\\\dfrac{4*\pi *r^2}{3} =\dfrac{4*\pi *r^3}{3*7} \\\\1=\dfrac{r}{7} \\\\\\r=7\\\\great \ circle: 2*\pi* r=14*\pi\\

Volume=\dfrac{4*\pi *7^3}{3} =\dfrac{1372*\pi }{3} \approx{1436,7550...(cm^3)}

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fomenos

Answer: y=-6

Step-by-step explanation:

First convert the equation -2y= 8 into y intercept form by divide both sides by -2.

-2y = 8  

y= -4     Now that the line is in y intercept form we can now determine the slope.The slope is 0  so -4 in this case is the y intercept.

Remember lines that a parallel needs to have the same slope but different y-intercepts.

So if the slope of the line y=-4 is 0 then the slope of line that passes through the point (2,-6)  

So using the y intercept form formula which says that y=mx+b where m is the slope and b is the y-intercept, we could plot in the values for y and x and solve for b to write the equation.

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5 0
3 years ago
How many hours would someone who earns 9.75 per hour have to work to earn 351
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6 0
4 years ago
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Answer:

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