Questions by Fan Ouyang

Questions by Fan Ouyang

Given: cos(t) = 2/3; simplify the following expression and then evaluate it: sec(−t)−cos(−t)tan^2(−t). A) 1 B) 2 C) 3 D) 4

asked Nov 23, 2024

1 answer

2 votes

194k views

The annual average number of fatalities due to tornadoes has decreased since 1950s. Explain why.

asked Oct 19, 2024

1 answer

2 votes

226k views

How many moles of NaOH are needed to create a 2 M solution in 8 liters of solution? Please help, I’m really stuck on this one.

asked Sep 15, 2024

1 answer

1 vote

122k views

Explain the following statement about the rate law equation: The rate constant isn't really constant. Include the definition of the term rate constant in your answer and give two specific examples to support

asked Sep 9, 2024

1 answer

1 vote

15.4k views

The quality manager of XV2 Corp. has asked you to analyze some data that has already been collected for a capacity study. The sample consists of thirty data and it is required that the analysis be carried

asked Sep 1, 2024

1 answer

0 votes

200k views

The improvement in outcomes that occurs when specialized producers exchange goods and services is called: A) Absolute Advantage B) Comparative Advantage C) Division of Labor D) Terms of Trade

asked Jul 18, 2024

1 answer

3 votes

183k views

What is the magnitude of A + B + Č, where Å = 1.00 i+ 4.00 i - 1.00 k, B = 3.00 î - 1.00 j - 4.00 k and Č = -1.00 i + 1.00 i? A) 2.00 B) 6.78 C) 7.07 D) 8.12 E) 10.76

asked Mar 27, 2024

1 answer

1 vote

225k views

Find the angle of elevation of the sun when a 15.3 foot tall electric pole casts a 21.2 foot long shadow. Make a drawing, set up your trig ratio, and solve to the nearest tenth. Show work

asked Jan 21, 2024

1 answer

1 vote

142k views

Which of the following statements about Maya religion is true? A.The Maya worshiped many different gods. B.The Maya only offered animal sacrifices, not human ones. C.The Maya held only one religious festival,

asked Jan 18, 2024

2 answers

3 votes

5.6k views

PLEASE HELP!! the question : what explains why many Roman Roads still exist?

asked Jan 8, 2024

2 answers

3 votes

185k views

Nancy left a bin outside in her garden to collect rainwater. She noticed that 1/2 gallon of water fills 2/3 of the bin. Write and solve the equation to find the amount of water that will fill the entire

asked Oct 17, 2023

1 answer

11 votes

164k views

A ladder leans against a building. The angle of elevation of the ladder is 70°. The top of the ladder is 25 ft from the ground. To the nearest tenth of a foot, how far from the building is the base of

asked Aug 8, 2023

2 answers

17 votes

218k views

In a raffle where 8000 tickets are sold for $2 each, one prize of $4500 will be awarded. What is the expected value of a single ticket in the raffle?

asked Jun 26, 2023

1 answer

5 votes

231k views

Solve for m M/8 plus 2/3 equals 7/3

asked Jun 3, 2023

1 answer

5 votes

46.7k views

$3.45 1.49 9.72 + 0.35

asked Jun 1, 2023

2 answers

5 votes

114k views

Hey, me again with my aggravating history questions, please give me a hand, does this look correct, let me know please?

asked Dec 4, 2022

1 answer

2 votes

145k views

The process to amend the Texas Constitution is slightly different than that of the U.S. Constitution because __________. a. people rarely bother to amend it b. it has been amended less than 30 times c.

asked Jun 20, 2022

1 answer

1 vote

81.6k views

An object is thrown upwards with a velocity of 15 m/s. How long will the ball take to reach it’s starting point ?

asked May 17, 2022

1 answer

5 votes

120k views

Please help IM so confused

asked May 11, 2022

1 answer

11 votes

173k views

Please help!!!! i really need to get this done

asked Apr 27, 2022

2 answers

5 votes

171k views

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