A recipe calls for 4 cups of sugar and 16 cups of water. If the recipe is reduced, how many cups of water should be used with 1
1 answer:
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<h3>Answer: 680 different combinations</h3>
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Explanation:
If order mattered, then we'd have 17*16*15 = 4080 different permutations. Notice how I started with 17 and counted down 1 at a a time until I had 3 slots to fill. We count down by 1 because each time we pick someone, we can't pick them again.
So we have 4080 different ways to pick 3 people if order mattered. But again order doesn't matter. All that counts is the group itself rather than the individual or how they rank. There are 3*2*1 = 6 ways to order any group of three people, which means there are 4080/6 = 680 different combinations possible.
An alternative is to use the nCr formula with n = 17 and r = 3. That formula is
where the exclamation marks indicate factorials
Answer:
I'm afraid that none of them are, as the x-intercepts of the equation are 0 and 9 respectively
however, D. is the closest to it, and it would be the correct graph if there were parentheses around
Step-by-step explanation: