The value of the expression C(6,3) is 20
<h3>How to evaluate the expression?</h3>
The expression is given as:
C(6, 3)
This means 6 combination 3.
And it can be written as:

Apply the combination formula

Evaluate the expression

Hence, the value of the expression C(6,3) is 20
Read more about combination at:
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-15 so that is negative. so that is negative 15÷15 so 15 ÷15 is 1 so it would be -15÷-15=-1
4 Is the answer since 4 is x 4+4 is 8 8-4 is 4 :)
Answer:
The candle must burn at 2cm per hour in order to be 6cm tall after 4 hours. I know this because the candle has to burn 8cm in 4 hours and that amounts to 2cm per hour.
Step-by-step explanation:
Lets solve!
We have to find out how much of the candle needs to be burned!
14cm - 6cm = 8cm
The candle must burn 8cm in 4 hours!
Lets find out how much the candle burns in 1 hour.
= 2cm per hour
The candle must burn at 2cm per hour in order to be 6cm tall after 4 hours. I know this because the candle has to burn 8cm in 4 hours and that amounts to 2cm per hour.
Woohoo, We did it! <u>Would you like to mark my answer as brainliest?</u> I would love that!