Questions by DavidX

Questions by DavidX

Jeff was explaining to a friend the importance of protecting a cryptographic key from cryptoanalysis. He said that the key should not relate in a simple way to the cipher text. Which protection is Jeff

asked May 26, 2021

1 answer

5 votes

73.9k views

What hypothesis did Darwin investigate by studying the breeding of pigeons with distinctive traits? New species can appear gradually through small changes in an ancestral species. The amount of variation

asked Apr 24, 2021

2 answers

0 votes

53.4k views

Why was slavery the main cause of the civil war? Please help

asked Jan 2, 2021

1 answer

2 votes

194k views

I need to write 3/4 as a percent

asked Apr 23, 2020

2 answers

1 vote

149k views

What is the purpose of a political party’s platform?

asked Jan 4, 2020

2 answers

1 vote

52.3k views

According to Nasa, when the International Space Station (ISS) is at an altitude of 385 kilometers, it travels at about 17,178 miles per hour. After how many hours of travel will the ISS reach a star that

asked Oct 10, 2019

1 answer

3 votes

107k views

Why did the framers include an article on how to amend the Constitution? They believed the American people were not interested in changing it. They wanted it to be able to change over time. They knew it

asked Sep 17, 2019

2 answers

1 vote

209k views

Which of the following is NOT a US territory?

asked Jun 8, 2019

1 answer

3 votes

119k views

Deepak wrote out the steps to his solution of the equation 5/2-3x-5+4x = -7/4 Step 1: 5/2-5+4x-3x=-7/4 Step 2: -5/2+x+-7/4 Step 3: -5/2+5/2+x = -7/4+10/4 Step 4: x = 3/4Which step has an incorrect instruction?

asked Nov 7, 2018

2 answers

4 votes

18.8k views

A submarine is 730 m below sea level. An airplane that is directly over the submarine is 9,144 m above sea level. What is the vertical distance between the submarine and the airplane?

asked Jul 3, 2018

2 answers

1 vote

84.7k views

How to do the reflection: y= -2

asked Jun 11, 2018

1 answer

4 votes

195k views

The net energy released or absorbed during a reversible chemical reaction is equal to (1) the activation energy of the endothermic reaction (2) the activation energy of the exothermic reaction (3) the

asked Feb 1, 2017

2 answers

3 votes

143k views

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