Step-by-step explanation:
When you complete the square, you change the equation so that the left side of the equation is a perfect square trinomial. But mainly completing the square is a technique that transforms your quadratic equation from an equation that can't be factored into one that can.
Answer:
About 48%
Step-by-step explanation:
divide 30% by 62% and that would be approximately 0.48 or 48%
Answer: 30
Step-by-step explanation:
21+39/2
=30
Price after 1st year = 10000 * 80/100
= 10000 * 0.8
Price after nth year = 10000 * 0.8^n
10000 * 0.8^n = 6400
0.8^n = 0.64
0.8^n = 0.8^2
so n = 2
After 2 years, the price of motorcycle will be $6400