Questions by YuFeng Shen

Questions by YuFeng Shen

Write 5.74 * 10⁹ in standard form

asked Mar 4, 2022

1 answer

20 votes

59.2k views

Write 5.74 * 10⁹ in standard form

asked Mar 4, 2022

1 answer

20 votes

59.2k views

Write 5.74 * 10⁹ in standard form

asked Mar 4, 2022

1 answer

20 votes

59.2k views

School guidelines require that there must be at least 2 chaperones for every 25 students going on a school trip. How many chaperones must there be for 82 students? A. 6 chaperones B. 41 chaperones C. 7chaperones

asked Dec 23, 2021

1 answer

5 votes

41.1k views

An R-134a refrigeration system is operating with an evaporator pressure of 200 kPa. The refrigerant is 10% in vapor phase at the inlet of the evaporator. The enthalpy and temperature of the refrigerant

asked Dec 9, 2021

1 answer

1 vote

119k views

Suppose a baker claims that the average bread height is more than 15cm. Several of this customers do not believe him. To persuade his customers that he is right, the baker decides to do a hypothesis test.

asked Dec 2, 2021

1 answer

1 vote

177k views

Find the value of z and simplify completely.

asked Nov 4, 2021

2 answers

0 votes

172k views

During the year after graduating high school, Kevin found himself frequently arguing with his father about wanting to take a year off before starting college. Now when he visits on Saturdays, Kevin tries

asked Oct 18, 2021

1 answer

0 votes

78.3k views

A wave has a speed of 23 m/s and a frequency of 13 Hz. What is the wavelength?

asked Aug 27, 2021

1 answer

2 votes

53.8k views

Which word best describes the mood in this excerpt from Little Brother? I got home and made myself a sandwich and logged into the Xnet. It had been a good day. People from all over town were crowing about

asked Aug 11, 2021

1 answer

5 votes

35.8k views

Describe two scenes where “manipulation” is occurring. Cukoon’s Nest chapters 1-3

asked Jun 7, 2021

1 answer

5 votes

105k views

Not sure how to do it?

asked May 15, 2021

1 answer

2 votes

61.2k views

Based on the weather forecast, what will the weather be like on Friday? O cold and sunny O cold and stormy o cold and cloudy O warm and stormy

asked Apr 15, 2021

2 answers

1 vote

222k views

Tiny Tim is 5 feet tall expression 0.5m + 60 can be used to calculate his height in inches if he grows an average of 0.5 inch each month. Using that expression, calculate tiny Tim’s height in 6 months.

asked Jan 1, 2021

2 answers

1 vote

30.6k views

I think that I have an answer, but it is really weird. I need help! 36=x³-4x-2x²+8

asked Dec 8, 2020

1 answer

3 votes

3.1k views

How were the civilizations of the Guangzhou river valley and the Nile river valley similar

asked May 26, 2020

1 answer

3 votes

41.5k views

A helicopter lifts a 48 kg astronaut 11 m vertically from the ocean by means of a cable. The acceleration of the astronaut is g/10.How much work is done on the astronaut by(a) the force from the helicopter

asked Feb 5, 2020

1 answer

4 votes

179k views

Why did European nation desire colonies

asked Oct 22, 2019

1 answer

0 votes

189k views

How does society have different viewpoints and reactions towards a citizen who opens a door (a literal door) for them depending on their race, social class and characteristics?

asked Sep 21, 2019

1 answer

2 votes

104k views

Mark is an excellent cook. He does not have any formal training but learned to cook by following the recipes of several famous chefs and his mom. Every weekend, he invites friends over for dinner so he

asked Feb 11, 2019

2 answers

4 votes

117k views

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