Difference between revisions of "AMC 12C 2020"
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What is the numerical value of <math>1^{3} + 2^{3} + 3^{3} + … + 11^{3}</math>? | What is the numerical value of <math>1^{3} + 2^{3} + 3^{3} + … + 11^{3}</math>? | ||
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+ | ==Problem 5== | ||
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+ | <math>10</math> cows can consume <math>20</math> kilograms of grass in <math>5</math> days. How many more cows are required such that it takes all of the cows to consume <math>80</math> kilograms of grass in <math>8</math> days? |
Revision as of 11:24, 20 April 2020
Problem 1
What is the sum of the solutions to the equation ?
Problem 2
How many increasing subsets of contain no consecutive prime numbers?
Problem 3
A field is on the real plane in the shape of a circle, centered at with a a radius of . The area that is in the field but above the line is planted. What fraction of the field is planted?
Problem 4
What is the numerical value of ?
Problem 5
cows can consume kilograms of grass in days. How many more cows are required such that it takes all of the cows to consume kilograms of grass in days?