4.5
pi is about 3.14 and root 23 is about 4.8 - the only number between these values is 4.5
Answer:C= 9
Step-by-step explanation:
c−7=1×2
c−7=2
c=2+7
c=9
Answer is a sphere (ball shape)
Subtract 20n from both sides of the equation.
n^2+100-20n=0
factor using the perfect square rule.
(n-10)^2=0
set the n-10 equal to 0.
n-10=0
add 10 to both sides of the equation.
n=0
