Questions by Mark Keats

Questions by Mark Keats

Molecules of a toxic chemical eventually decompose into inert substances. Suppose the decomposition time is exponentially distributed with a mean of 1/lambda. The half-life of such a persistent poison

asked Feb 6, 2021

1 answer

3 votes

117k views

A company planning to market a new model of motor scooter analyzes the effect of changes in the selling price of the motor scooter, the number of units that will be sold, the cost of making the motor scooter,

asked Jan 14, 2021

1 answer

2 votes

66.2k views

1. This inventor improved the steam engine A. Henry Bessemer B. Louis Pasteur C. James Watt D. Henry Ford E. Thomas Edison

asked Jan 5, 2021

1 answer

0 votes

74.0k views

What are the four processes of the Carnot cycle? Sketch the Carnot cycle (a) on T-s (temperature - entropy) and P-V (pressure - volume) diagrams and calculate the thermal efficiency of the Carnot cycle

asked Dec 5, 2020

1 answer

1 vote

211k views

Ryan uses 11/4 cups of oil to make 6 servings french fries. what fraction of a cup of oil did he use for one serving of french fries?

asked Aug 26, 2020

2 answers

1 vote

216k views

a vegetable garden and a surrounding path are shaped like a square that together are 11 ft wide. The path is 2 feet wide. If one bag of gravel cover 9 square feet, how many bags are needed to cover the

asked Jul 28, 2020

1 answer

5 votes

207k views

What impact did the transistor have on digital electronics?

asked Jan 14, 2020

1 answer

0 votes

192k views

The title Twelfth Night is a reference to the Feast of the Epiphany, celebrated twelve days after Christmas. Explain in a short essay of no more than a few paragraphs how things are similarly turned upside

asked Oct 24, 2019

2 answers

5 votes

66.1k views

You are given an array of integers "array []" and an input "x". you have to find if there are any two numbers in your array such that the sum of their square equals to x2 . in other words, you have to

asked Apr 3, 2019

1 answer

0 votes

97.4k views

What integer represents a credit of $35 if zero represents the original balance? Explian

asked Feb 23, 2019

2 answers

2 votes

132k views

Is √3/16 rational or irrational

asked Feb 17, 2019

2 answers

2 votes

142k views

Which of the following terms applies to the way that society as a whole earns and spends money? a. nominal value b. gross domestic product c. aggregate economic behavior d. maximizing profits

asked Apr 28, 2018

2 answers

5 votes

58.8k views

Which one of the following accurately describes the reactions within photosynthesis? A. The light-independent reactions use ATP and NADPH. B. The light-independent reactions are responsible for making

asked Feb 27, 2018

2 answers

1 vote

182k views

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