1 world population is doubling in about every 30 years what, Ask an Expert

Economics

1. World population is doubling in about every 30 years. what is the annual % growth rate? What is the exponential growth factor?

2. Assuming 2% of the world's coal reserves have been utilized, how many doubling periods will it take for a 40% depletion of this natural resource?

3. The overall efficiency of an old steam power plant with an efficiency of 25% has been improved by adding a topper with an efficiency of 10% and a tailor with an efficiency of 4%. What is the new value for the overall efficiency?

View complete question

Business Economics, Economics

Category:- Business Economics
Reference No.:- M91705219

Have any Question?Write your Review or question?

Related Questions in Business Economics

What are the characteristics of perfect competition and

What are the characteristics of perfect competition, and does is exist in the real world?

An article describes a study that appeared in the journal

An article describes a study that appeared in the journal Pediatrics. In this study, researchers looked at records of 2500 children who were participating in a long term health study. They found that 10% of these childre ...

Forty-nine percent of us teens have heard of a fax machine

Forty-nine percent of US teens have heard of a fax machine. You randomly select 12 US teens. Find the probability that the number of these selected teens that have heard of a fax machine is exactly six (first answer list ...

What does an increase in the savings rate do for a countrys

What does an increase in the savings rate do for a country's output? Why doesn't every country do that?

If the federal government for the united states outlays for

If the federal government for the United States outlays for transfers and purchases of goods and services divided by the gross domestic product remains the same next year, what does this mean forthe government's influe ...

Matt sells watermelons on the side of the road the weight

Matt sells watermelons on the side of the road. The weight of a watermelon has a normal distribution with mean = 9.5 lbs and the standard deviation = 4 lbs. If he loads 100 watermelons on to his truck, what is the probab ...

Below are commute times and amounts of rainfall for a few

Below are commute times and amounts of rainfall for a few randomly selected dates last year. Rain (mm) Commute time (min) 3 20 0 10 1 25 ...

A quality controller selects 8 items at a predefined

A quality controller selects 8 items at a predefined interval and found that 75% of the time the item was non-defective. Let "S" represent the occurence of a non defective item. Assuming that this experiment is Binomial: ...

The government is undertaking expansionary fiscal

The government is undertaking expansionary fiscal policy. Illustrate how this action affects: The AD-AS model. The Phillips curve model. The IS-LM model. How will this change impact on economic activity the price level t ...

A brewery pulls 905 bottles of beer to sample them for

A brewery pulls 905 bottles of beer to sample them for quality control. In the past there has been a 0.12 probability that a bottle of beer is defective. Assuming this trend continues, what is the probability that fewer ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Business Economics Expert