By just looking at ur whole numbers...12 + 3 + 5 = 20...and thats not even counting ur decimals..so by adding ur decimals, u know that it will be over 20.
A. 199
b. -71
c. -2.25
d. 30
e. -18
f. -4
g. 4
h. 7
i. 0
Answer: 143>(369g=141)
Step-by-step explanation:
143>(369g=141)
Formula for surface area of a sphere of radius r is A = 4pi*r^2.
The same formula, for the case where the radius is 2.45 times greater, comes out to A = 4pi*[2.45r]^2.
Just find the ratio of
4pi*r^2 to 4pi*[2.45r]^2. It is 1/6.
