B. Perform what is asked.1. Ifa certain country has a population of about 30,000,000 people and adoubling time of 19 years and if the growth continues at the same rate, findthe population in 10 years?2. Radioactive gold 198, used in imaging the structure of the liver, has a half-lifeof 2.67 days. If we start with 50 milligrams of the isotope, how many milligramswill be left after 2 weeks?3. A laptop has a suggested retail price of P36,999. After T months, the laptop'svalue is given by V(t) = 36,999 ). Find the value of the laptop after6months.

Since you have posted a multiple question according to guildlines I will solve first question…

Answered: Perform what is asked. 1. Ifa certain…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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7. Which situation could be modeled by an exponential function? A The population of a village has not changed for 10 years. B Half of the players remain after each round in a single-elimination basketball tournament. C A canary sings for an average of 10 minutes every hour.
9. A small town’s population is declining (decaying) at a continuous exponential rate of 6.5%.The current population is 14,870.a. What will the predicted population in 5 years be? Population in 5 years:___________ b. In how many years will the population be cut in half?
bonnie deposits 1800 into a saving account at time 0. the savings account pays simple interest an annual rate of i. clyde deposits 100 into a different saving account at time 0. clyde saving account pays interest at an annual effective rate of i. bonnie and clyde earn the same amount of interest during the 7th year. calculate i
Please solve all the parts
8. Exponential candy A student opened a bag of M&M'S® Chocolate Candies, dumped them out, and ate all the ones with the "M" on top. When he finished, he put the remaining 30 M&M'S back in the bag and repeated the same process over and over until all the M&M'S were gone. Here are data on the number of M&M'S remaining at the end of each of the first 6 courses. Course Number remaining 1 2 3 4 5 6 30 13 10 3 2 1 (a) Calculate an exponential model for these data using course as the explanatory variable. (b) Sketch the scatterplot, along with the exponential model. (c) Calculate and interpret the residual for the first course.

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Perform what is asked. 1. Ifa certain country has a population of about 30,000,000 people and a doubling time of 19 years and if the growth continues at the same rate, find the population in 10 years?