Questions by Shaofei Cheng

Questions by Shaofei Cheng

Can heat energy be converted into chemical energy

asked Dec 23, 2023

1 answer

1 vote

140k views

A store is going out of business and marks all prices at 85% off. Is there a proportional relationship between the original price of an item and its price after the discount? Explain your answer.

asked Jun 8, 2023

1 answer

21 votes

147k views

1 Which of the following is a mixture? A air B copper C oxygen D steam

asked Oct 2, 2022

1 answer

2 votes

183k views

If E is the circumcenter of ∆MNP, find the value of x.

asked Sep 20, 2022

1 answer

15 votes

139k views

A tank containing 550mL of oxygen has a pressure of 3.5atms. If the pressure is changed to standard atmospheric pressure, approximately 1.0atms, what will be the resulting volume? Show your work.

asked Apr 4, 2022

1 answer

16 votes

201k views

As the pressure of a system changes, boiling points can change in what direction?

asked Dec 22, 2021

2 answers

0 votes

155k views

A pressure sensor inside of a mixing tank is designed to turn red when the pressure inside the tank exceeds 1.9 kPa. If the sensor is a square, 10 cm on each side, how great a force must be exerted on

asked Dec 18, 2021

1 answer

2 votes

124k views

The strategic approach to OB applies to A. the public sector B. the not-for-profit sector C. technical businesses D. education organizations E. All of the above are correct

asked Nov 22, 2021

1 answer

0 votes

199k views

Can someone please help me!

asked Sep 27, 2021

1 answer

0 votes

202k views

Please help with number 10

asked Sep 13, 2021

2 answers

4 votes

105k views

Ten friends all use $2 off coupons to buy themselves admission tickets to the Talent Show. They spend a total of $130. What is the total of one admission ticket without the coupon?

asked Sep 10, 2021

1 answer

2 votes

75.9k views

:∫ PLZZ help ;⊃ plz no playing around I need actual answer

asked Sep 3, 2021

2 answers

4 votes

73.6k views

A line passes through the point (10, 1) and (-8, 5). What is the slope of a line that is parallel to that line?

asked May 19, 2021

1 answer

3 votes

229k views

Which of these represents the output of NOT logic? It is the inverse of the input. It is the expression of the input. It is the duplicate of the input. It is the image of the input.

asked Mar 13, 2021

2 answers

3 votes

75.3k views

In February 1848, the middle classes and workers in France joined to overthrow the government of Louis Philippe. By June the two groups were at odds in their political, economic and social thinking. Analyze

asked Feb 14, 2021

1 answer

2 votes

186k views

How many valence electrons are in the chemical Hafnium?

asked Aug 19, 2020

2 answers

3 votes

18.7k views

Help! Idk how to solve this :/

asked Aug 18, 2020

1 answer

2 votes

141k views

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