Recent activity by Youjun Hu

Recent activity by Youjun Hu

A(n) __________________ is the effort estimation for a product backlog item and is assigned at the before the sprint begins. a) User story b) Epic c) Task d) Story point

asked Jul 23, 2024

1 answer 188k views

The radius of a circle is 2 miles. What is the length of a 135% arc

answered May 6, 2024

1 answer 43.6k views

Question content area top Part 1 Assume that a procedure yields a binomial distribution with n = 5 trials and a probability of success of p = 0.20. Use a binomial probability table to find the probability

asked Apr 24, 2024

1 answer 149k views

Which of the following could be considered a scientific principle? A. Leaves bend toward the light because they know light is needed to grow. B. Radioactive isotopes can be used as tracers in medicine

answered Mar 19, 2024

1 answer 225k views

2. A spring launcher has a spring with a spring constant of 675N / m A child wants to launch a 0.15 kg rock 3.0 m vertically into the air . How far back does the child have to pull the rock back before

answered Mar 17, 2024

1 answer 208k views

In the novel "Little Women," how does Marmee provoke a decision from her daughters by asking them if they will help a needy family, instead of simply telling them to do so? a) Marmee forces her daughters

answered Jan 7, 2024

1 answer 223k views

3. What is the crucial factor for a sample selection to be random?

answered Oct 30, 2023

1 answer 55.5k views

Select the correct answer. What was the purpose of the Crusades? OA. to teach those who did not believe in Christianity OB. to reclaim Jerusalem from the Muslims OC. to decrease the power of king and nobles

answered Oct 9, 2023

2 answers 218k views

Substitute 9 for x and evaluate the expression below. (x - 5)-1 OA. 15. OB. 5 OC. 3 OD. 13

asked Aug 27, 2023

1 answer 135k views

What is the Perimeter: Area:

asked Aug 14, 2023

1 answer 54.2k views

Which RNA brings instructions from DNA ? A. tRNA C. mRNA B. rRNA D. RNA

asked Jul 2, 2023

1 answer 52.7k views

A Super Dog! flies by and has 1,780 Joules of Potential Energy. If Super Dog! is flying at an altitude of 15 meters, what is its mass?

asked Apr 19, 2023

1 answer 106k views

A local talent is selling underground CD's to get his rap career off the ground. Each crate contains 40 blank CD's. Each crate cost $25. How much should he sell his CD's to make a profit of $135?

answered Mar 14, 2023

1 answer 34.0k views

Do you think hair evidence should be able to be used in the courtroom? Justify your reasoning, and provide an example of why and when you think it may be appropriate and why or when you think it may not

answered Mar 7, 2023

1 answer 141k views

Which of the following answers best explains why Louie didn't fit in with the other kids? A. Louie was a known bully and the other kids didn't want to suffer his wrath. B. Louie preferred to stay indoors

answered Jan 6, 2023

2 answers 27.9k views

Read the passage from animal farm. And the behaviour of the cat was somewhat peculiar. It was soon noticed that when there was work to be done the cat could never be found. She would vanish for hours on

asked Dec 20, 2022

2 answers 71.6k views

Which ratio is equivalent to the ratio 2:5?

asked Dec 5, 2022

1 answer 229k views

Round the number shown to the underlined place value 9.954

asked Nov 1, 2022

1 answer 30.0k views

Help me answer these questions

answered Oct 22, 2022

2 answers 39.6k views

Someone help please and please make sure the answer is right

answered Sep 18, 2022

2 answers 124k views

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