No. Mike wrote the ratio as the amount of change to the new amount. He should have used the ratio of the amount of change to the original amount, which is 55
55/275
, or 20%.
Answer:
Twelve 10 dollar bills
Step-by-step explanation:
10, the value of a 10$ bill, times twelve equals 120$
Answer:
3. 50.27 inches squared
4. 113.1 km squared
Step-by-step explanation:
3. A=πr^2
π*16
4. A=πr^2
π*36
Have a good day :)
We will use the right Riemann sum. We can break this integral in two parts.
We take the interval and we divide it n times:
The area of the i-th rectangle in the right Riemann sum is:
For the first part of our integral we have:
For the second part we have:
We can now put it all together:
We can also write n-th partial sum: