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quickstudent:
A pizza place offers 5 different cheeses and 10 different toppings. In how many ways can a pizza be made with 2 cheese and 4 toppings? 2100 1800 1500 1200
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Vocaloid:
are you familiar with the combination formula? nCr where n is the total number of objects to choose from and r is the number of objects being selected for example, from 5 cheeses we choose 2 so we write 5C2 try writing out the nCr for the toppings, then you can move to the next step:
Vocaloid:
|dw:1527088397988:dw|
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