4 + 12 +12 = 28cm
so in conclusion it is 28
N²+20n+100 = (n+10)(n+10)
Yes is it a perfect square trinomial
Answer:
The number of bags used is 2 bags
Step-by-step explanation:
The mass of the jellybeans in the jar = 2 lbs
The mass divided evenly into bags = 1 pound each
Therefore the operation applied to the jar of jellybean is a division by 1 lb/bag, therefore, we have;
The number of bags used = 2 lbs/(1 lb/bag) = 2 bags
Step-by-step explanation:
first you do 3×1 get your answer and then × it by 2 then your answer you get you × it by 3 what you get - by 2 what you get you - by 1 and you get your answer hope I helped
Two solutions:
1. x =(100-√2160)/2=50-6√ 15 = 26.762
2. x =(100+√2160)/2=50+6√ 15 = 73.238