6 August 2010

• 10:5510:55, 6 August 2010 diff hist +791 N 2010 AMC 10B Problems/Problem 11 Created page with 'Let the listed price be <math>(100 + p)</math>, where <math>p > 0</math> Coupon A saves us: <math>0.15(100+p) = (0.15p + 15)</math> Coupon B saves us: <math>30</math> Coupon …'
• 09:5809:58, 6 August 2010 diff hist +941 N 2010 AMC 10B Problems/Problem 10 Created page with 'We know that <math>d = vt</math> Since we know that she drove both when it was raining and when it was not and that her total distance traveled is <math>16</math> miles. We als…'
• 09:3209:32, 6 August 2010 diff hist +670 N 2010 AMC 10B Problems/Problem 9 Created page with 'Simplify the expression <math> a-(b-(c-(d+e))) </math>. I recommend to start with the innermost parenthesis and work your way out. So you get: <math>a-(b-(c-(d+e))) = a-(b-(c-d-…'

5 August 2010

• 14:3014:30, 5 August 2010 diff hist +600 N 2010 AMC 10B Problems/Problem 7 Created page with 'The triangle is isosceles. The height of the triangle is therefore given by <math>h = \sqrt{10^2 - ( \dfrac{12}{2})^2} = \sqrt{64} = 8</math> Now, the area of the triangle is <…'