(√11 + 5)(√11 - 5) plz help quick
1 answer:
You might be interested in
The perimeter of the square is 35.78
The formula for the perimeter of a square using its area is:
P = 4
The formula for the perimeter of a square using its area is:
P = 4
Answer:
- <u>10 pairs</u>
- <u>It is a combination</u>
<u></u>
Explanation:
This is a combination because the order does not matter: the Beagle - Collie couple is the same as the Collie - Beagle couple, so it is only counted once.
The formula for combinations is:
For five diffferent dogs to be put in pairs, the number of different pairs is: