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VladimirAG [237]
3 years ago
12

I only need help with the last one the circle one to be pacific. I need help by tonight so I can get this done.

Mathematics
1 answer:
Degger [83]3 years ago
6 0

Answer:

V = 997.8 {cm}^{3}

Step-by-step explanation:

The last one is spherical

The volume of a sphere is given by:

V= \frac{4}{3} \pi \:  {r}^{3}

From the diagram, the the radius is r=6.2 cm.

We substitute to get:

V= \frac{4}{3}  \times 3.14\: \times   {6.2}^{3}

This evaluate to;

V = 997.8 {cm}^{3}

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schepotkina [342]

Answer:

x= -3

Step-by-step explanation:

hello :

-2x+7=-6x-5

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