Questions by Chengzhi

Questions by Chengzhi

What is the difference between p-n junction diode and extrinsic semiconductor?

asked Jan 5, 2021

1 answer

0 votes

181k views

You purchase 100 shares of stock for $40 a share. The stock pays a $2 per share dividend at year-end. a. What is the rate of return on your investment if the end-of-year stock price is (i) $38; (ii) $40;

asked Aug 20, 2020

1 answer

4 votes

130k views

A steel company is making flat rectangles as a part of a new product they are laughing

asked Aug 11, 2020

2 answers

1 vote

14.2k views

The figure below is a diagram of a trapezoidal table that needs to be stained. Each can of stain will cover 50 square inches. If the table has an area of 324 square inches, how many cans of stain are needed

asked Feb 26, 2020

1 answer

0 votes

149k views

The following information regarding a portfolio of two stocks are given: w1 = .25, w2 = .75, E(R1) = .08, and E(R2) = .15. Which of the following regarding the portfolio expected return, E(Rp), is correct?

asked Feb 11, 2020

1 answer

0 votes

158k views

A man who is normal for color vision marries a woman who is colorblind. What is the probability their offspring will be colorblind if all of their children are male?

asked Jul 8, 2019

2 answers

3 votes

200k views

Attempting to reduce prejudice by transporting students from the majority group to minority schools is suggested by

asked Mar 18, 2019

2 answers

0 votes

176k views

How does geography affect my daily life

asked Apr 8, 2018

2 answers

2 votes

64.0k views

What is one challenge that george washington and the nation faced during his presidency?

asked Feb 3, 2018

1 answer

0 votes

127k views

Please help me on number 8.

asked Dec 1, 2017

2 answers

2 votes

35.2k views

HELPME PLEASE I BEG IU REALLLY NEED YOUR HELP I BEG I RELALY NEED HELP :( A LOT OF POINTS!

asked Aug 22, 2017

2 answers

5 votes

176k views

In physics it is important to use mathematical approximations. Demonstrate that for small angles (< 20°) the following relationship is true where α is in radians and α' is in degrees. Use a calculator to find the largest angle for which tan α may be approximated by α with an error less than 10.0%.

asked Aug 6, 2017

2 answers

5 votes

126k views

What's the square root of 75672

asked Mar 3, 2017

2 answers

5 votes

147k views

grain is stored in cylindrical structures called silos which is the best estimate for the volume of a silo with a diameter of 12.3 feet and a height of 25 feet

asked Jul 14, 2016

1 answer

0 votes

173k views

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