Solve for x. -10x = -210 x = -200 x = -21 x = 21
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The formula to find the volume of a sphere is: V= 
Since the diameter is 18 cm, so the radius is equal to r=18/2 = 9
Now we replace r by it's value, so we get:
And we get approximately
Hope this Helps :D
Since the diameter is 18 cm, so the radius is equal to r=18/2 = 9
Now we replace r by it's value, so we get:
And we get approximately
Hope this Helps :D