The ratio of cats to dogs in the shelter is 2:3. If there are 8 cats, how many dogs are there?
2 answers:
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10C4 represent the Combinations of 10 objects taken 4 at a time.
The formula for nCr is:
In the given case, n=10 and r=4. Using these values we get:
This means we can make 210 combinations of 10 objects taken 4 at a time.
The formula for nCr is:
In the given case, n=10 and r=4. Using these values we get:
This means we can make 210 combinations of 10 objects taken 4 at a time.
So hmm check the picture below
what's the width? well, w = l + 3
what's the width? well, w = l + 3