A prince has arrived to rescue a princess standing in a tower balcony 18 meters up across a
1 answer:
You might be interested in
I got 75582.
Explanation:
First, group the 40 identical candies into 20 pairs. It doesn't matter how since the candies are identical. This grouping will ensure that any assigment will contain at least two candies.
Then think of the 20 groups a 20 beads on a string. We are looking to place 11 separators between them to obtain 12 segments, each with a varying number of beads between them. How many ways are there to place 11 separators to 19 potential spaces between beads? The asnwer is
Answer:
<h2>2.2</h2>Step-by-step explanation:
Use the cosine law (look at the picture).
We have:
→ look at the second picture