Answer:
Surface area = 4 π r2 square units
Step-by-step explanation:
Answer: I think it is the second choice. The others don't make sense
Step-by-step explanation:
Answer:
Herman needs to buy 3 sticker packs to have a total of 100 stickers.
Explanation:
33 x 3 = 99
99 + 1 = 100
You will have a better chance of winning because your chance before you opened the first door was 1/3 (since there was 3 doors) but now, you have 2 doors left, so it is a 50% chance that you will win.
Answer:
x1 = 1 x2= 1/2
Step-by-step explanation:
DELTA= b^2-4*a*c
DELTA=(-6)^2-4*4*2= 4 >0 ==> 2 solutions
x1 = (-b+sqrtDELTA)/2*a = (6+2)/2*4 = 1
x2 = (-b-sqrtDELTA)/2*a = (6-2)/2*4 = 1/2
