Questions by Yassine Younes

Questions by Yassine Younes

A Carnot engine operates between reservoirs at 600 and 300 K. If the engine absorbs 100 J per cycle at the hot reservoir, what is its work output per cycle?

asked May 12, 2021

2 answers

5 votes

32.6k views

If f(x)= 2x2 + 3, then f(x - 1)=2x2 + 4x + 5. True False

asked Apr 24, 2021

2 answers

5 votes

185k views

20 to 25% is a 25% increase. true or false?

asked Mar 24, 2021

1 answer

5 votes

124k views

Existing research states that the proportion of households in a city owning a computer is 30%. However, a local politician believes that that number is wrong. He randomly selects 200 families and finds

asked Mar 3, 2021

1 answer

3 votes

12.6k views

Decimal Calculations (Division) and Unit Conversion. A packaging company can fill a 3-pound box in 0.4 seconds and move to the next box in 0.1 seconds. How many 2-pound boxes can be filled by the machine

asked Feb 5, 2020

1 answer

5 votes

9.5k views

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