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Find out how many different ways to choose items. For an in-depth explanation of the formulas please visit Combinations and Permutations.
Free math problem solver answers your algebra homework questions with step-by-step explanations.
Combinations generator. This combinations calculator generates all possible combinations of m elements from the set of n elements. For example, if you have a set from 3 elements, {A, B, C}, the all possible combinations of size 2 will be {A,B}, {A,C} and {B,C}.
Our combination calculator will allow you to calculate the number of combinations in a set of size n. A combination describes how many sets you can make of a certain size from a larger set. For example, if you have 5 numbers in a set (say 1,2,3,4,5) and you want to put them into a smaller set (say a set of size 2), then the combination would be ...
Multiplication Table Instructions. To use the times tables follow this guide: Select the times tables you want to try. Use the drop down boxes and select the one you think is the correct answer. Once you have completed all the questions press the OK Done button. You then see your results!
Divide each term in 2a = 6 2 a = 6 by 2 2 and simplify. Tap for more steps... a = 3 a = 3. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.
how many different 4 people committees can be formed from a group of 15 people? Ans: 15C4 = (15*14*13*12)/(1*2*3*4) = 1365 ===== Cheers, stan H.
