Math Problem of The Week
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| Sunday 12 June 2011 at 03:48
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Minggu III Juni 2011
Problem 1
Find all primes p such that 2p + p2 is also a prime.
Problem 2
Given rectangle ABCD with point E on CD. AE is 3, BE is 4, and AE is perpendicular to BE. What's the area of ABCD?
Problem 3
In one class, 3/5 of the students are boys. There are 30 students in the class. How many are girls?
Problem 4
An eyebrow window is a 15-inch-deep slice off an 8.5-foot circle. How wide will the base of the window be?
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