A dealer sells a bicycle for$81 and makes a profit of 8%. How much did he pay for the bicycle
1 answer:
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The length of the smaller leg is 3.79
<h3>How to determine the length of the smaller leg?</h3>Represent the smaller leg with x.
So, we have:
-- Pythagoras theorem
This gives
2x^2 = 144/5
Divide by 2
x^2 = 72/5
This gives
x^2 = 14.4
Take the square root
x = 3.79
Hence, the length of the smaller leg is 3.79
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Answer:
The number of possible choices of my team and the opponents team is
Step-by-step explanation:
selecting the first team from n people we have possibility and choosing second team from the rest of n-1 people we have
As { A, B} = {B , A}
Therefore, the total possibility is
Since our choices are allowed to overlap, the second team is
Possibility of choosing both teams will be
We now have the formula
1³ + 2³ + ........... + n³ =
1³ + 2³ + ............ + (n-1)³ =
=