55/100 or 11/20
Since 55% is 55/100 as a fraction. then at it's simplest form it's 11/20.
Combinatorial Enumeration. That whole class was a rollercoaster ride of mind-blowing generating functions to prove crazy things. The exam had ridiculous questions like 'count the number of cactus trees with n vertices such that etc etc etc' and you'd do three pages of terrible terrible sums and algebra. Then your final answer would be something beautiful like n/2 and you'd breath a sigh of relief and thank the math gods.
-7
-(-7) is 7 because two negative signs result in a positive. The opposite integer of 7 is -7
Answer:
He needs 4 1/3 buckets of fish.
Step-by-step explanation:
140 - 75 = 65 pounds of fish left to eat
15x = 65
x = 65 / 15
x = 4 1/3 buckets of fish left to eat
Let 2k represent the original even number (such that k is an integer)
then 2(k + 1) is the next consecutive even number.
4(2k) - 16 = 2(k + 1)
8k - 16 = 2k + 2
6k = 18
k = 3
since 2k represents the original number, then 2(3) = 6 is the oroginal number
Answer: 6
