Tuesday
September 30, 2014

Homework Help: Math :)

Posted by Kim on Monday, December 2, 2013 at 2:53am.

1.Try to solve this problem without using a formula. Suppose a disease is transmitted from an individual to one other during the period of a week. Each of those two gives the disease to two more people in the second week, so that the total of newly infected people is now four. Each week the number of infected people double. If the spread of the disease continues, how many weeks will it take a city of 300,000 people to have all been infected?
Use the growth and decay formula to solve the following problem:
Zebra mussels from Europe began invading the Mississippi River in 1988. In 1997 a portion of the river contained an average of 10 zebra mussels per square mile. The exponential growth rate was 340% (k=3.4). Predict the number of mussels per square mile in this portion of the river in 2002 (five years later).


For number 1 I got 19 weeks?
number 2 I am not sure how to do this problem I just need some help with the formula.

Thanks!

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Math work problem - If a disease is transmitted from 1 individual to 2 more each...
Math Word Problem - As payment for his daughters yard work, a father agrees to ...
Finance - An individual has $17000 income in period 0 and $60,000 income in ...
economics - Each week, Bill, Mary and Jane select the quantity of two goods, x1 ...
Word Problem - Check Answer (geometric Seq) - 1) Suppose five people are ill ...
statistics - A test designed to check for sickle-cell anemia has an 85% chance ...
business-economics - Suppose that there is a common resource of size y in a two ...
Trigonometry (Logarthims) - Give checks to the following two questions Use ...
help with solving - x^2+(x-2)^2 = (2x-6)^2 solve for x. thanks so much. Please ...
introduction to quantitaive methods - the following model is often used to ...

Search
Members