2016 AMC 8 Problems/Problem 10
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Contents
[hide]Problem
Suppose that means What is the value of if
Solution 1
Let us plug in into . Thus it would be . Now we have . Plugging into , we have . Solving for we have
Solution 2
Let us set a variable equal to . Solving for y in the equation , we see that y is equal to five. By substitution, we see that = 5. Solving for x in the equation we get
Video Solution
https://youtu.be/cR1GDMq1Cv4?si=KktuZcPdJxqC83rg
A solution so simple that a 12-year-old made it!
~Elijahman~
Video Solution (CREATIVE THINKING!!!)
~Education, the Study of Everything
Video Solution
~savannahsolver
Video Solution by OmegaLearn
https://youtu.be/TkZvMa30Juo?t=638
~pi_is_3.14
See Also
2016 AMC 8 (Problems • Answer Key • Resources) | ||
Preceded by Problem 9 |
Followed by Problem 11 | |
1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 | ||
All AJHSME/AMC 8 Problems and Solutions |
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