Recent activity by Hartmut Pfitzinger

Recent activity by Hartmut Pfitzinger

Acetylene torches are used for welding but the thermite reaction can be useful in situations in which acetylene torches are inappropriate. The thermite reaction is Fe2O3 + 2Al yields Al2O3 + 2Fe A welder

answered Dec 9, 2024

1 answer 101k views

A van left Town X for Town Y at 11 09 and passed by a school 117 km away at 15 03. A car left Town X in the same direction at 14 06 and passed the same school at 15 24. How long did it take for the car

answered Nov 12, 2024

2 answers 225k views

Why did the scarecrow win an award work sheet

asked Oct 8, 2024

1 answer 218k views

As H.R. 3999 moves through the legislative process, what is one step that the U.S. House of Representatives can take that the Senate cannot? a) Proposal of amendments b) Ratification c) Approval of treaties

asked Oct 3, 2024

1 answer 139k views

How long did the mother go to college for?

answered Sep 18, 2024

1 answer 50.1k views

Frank breaks the law and is sent to prison as a punishment; his punishment is supposed to discourage others from doing the same thing. this refers to which of the following punishment goals? O General

answered Jul 18, 2024

1 answer 150k views

According to dr. de salvo, what is public health 3.0?

asked Jul 4, 2024

1 answer 220k views

Explain the concept of Yin and Yang. What does this visual image of Yin and Yang represent? How does this relationship express fundamental Daoist thought?

answered Jun 26, 2024

1 answer 168k views

The Chinook, harmattan, zephyr and williwaw are all types of what?

asked Jun 10, 2024

1 answer 214k views

According to the code of ethics developed by the American Sport Education Program, which of the following is NOT part of a sport parent's responsibility? a) Encourage the athlete to do their best b) Provide

asked Jun 5, 2024

1 answer 72.3k views

The investors of Smith Autos have put up $500,000 to construct a building and purchase all equipment required to wash cars. The investors expect to earn a minimum return of 10% on their investment. If

answered May 27, 2024

1 answer 16.3k views

What is the value of cos-1(1/2)

asked Apr 21, 2024

1 answer 98.9k views

Find the first partial derivatives for the function f (x,y) = √xy/ x-y

asked Apr 1, 2024

1 answer 180k views

I would like to test the null hypothesis that the population mean is 50 versus the alternative that it is not 50. My sample size is 6, and the sample mean is 38 with a sample standard deviation of 16.

asked Jan 18, 2024

1 answer 170k views

_______ is a defense that, if proved, will prevent the plaintiff from recovering any damages regardless of how slight the plaintiff’s negligence may be.

asked Jan 17, 2024

1 answer 206k views

What is the solution to the equation (√(2x+5) = 5) ?

asked Jan 17, 2024

1 answer 198k views

Pls help ASAP I need a good grade on this

answered Nov 23, 2023

2 answers 44.5k views

Write the equation of the line that passes through the points (-5, -2) and(-7, -2). Put your answer in fully reduced point-slope form, unless it is a vertical orhorizontal line.

answered Oct 17, 2023

1 answer 29.7k views

Difference between sorting and filtering

answered Oct 5, 2023

2 answers 131k views

What is a good theme for chapter eight from we beat the street

asked Sep 27, 2023

1 answer 116k views

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