In a math game rob reads four statements about the number 51. He has to pick up the true statement to win the game. Which statem
1 answer:
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The surface area of a sphere is 
where r is the radius;
The circumference is
so that 
using this value we can evaluate the surface area of 1 ball as:
For 100 ball you get:
The circumference is
For 100 ball you get:
Answer:
Step-by-step explanation:
I hope you mean y = x² - 12 and not y = 2x - 12.
You switch the y and x variables:
x = y² - 12
And solve for y:
x + 12 = y²