Questions by Bhekman

Questions by Bhekman

Determine if the following set is a vector space with the indicated operations. The set. V of all 2 x 2 real matrices A with standard matrix addition in M22 but scalar multiplication defined by a * A :=aA",

asked Apr 13, 2020

1 answer

4 votes

174k views

Suppose you have a liquid solution containing two components, A and B. The boiling point of pure A is 46.0 C and the boiling point of pure B is 116.0 C. Your solution has a mole fraction of component A

asked Apr 11, 2020

1 answer

1 vote

122k views

Two substances A and B react with each other in such a way that one-half of A remains after 25 min and one-fourth of A remains after 50 min. Doubling the concentration of B while keeping the concentration

asked Mar 13, 2020

1 answer

1 vote

77.7k views

A block of ice with mass 2.00 kg slides 0.750 m down an inclined plane that slopes downward at an angle of 36.9 degrees below the horizontal. If the block of ice starts from rest, what is its final speed?

asked Mar 13, 2020

1 answer

2 votes

6.3k views

What is the binomial expansion of (x+y^2)^2

asked Oct 3, 2019

1 answer

5 votes

194k views

Solve the equation for x. Show each step of the solution. Name the justification for each step of the solution. 9/2( 8 - x ) + 36 = 102 - 5/2 ( 3x + 24 )

asked Aug 2, 2019

1 answer

2 votes

211k views

Please help due tomorrow 5). describe what are the roles of producers consumers and decomposers in a ecosystem

asked May 27, 2019

1 answer

5 votes

116k views

The definition of: Vertebrates

asked Jan 23, 2019

2 answers

1 vote

107k views

In addition to overseeing the management of the monastery, what responsibilities did an abbot have

asked Sep 5, 2018

1 answer

1 vote

11.3k views

A multiple choice test consists of six questions, each of which has four choices. Each question has exactly one correct answer. William guesses randomly at each answer. What is the probability that he

asked Sep 3, 2018

1 answer

3 votes

86.7k views

During which period did eurypterids swim the oceans and the first jawed fish and vascular plants evolve? Silurian period Triassic period Permian period

asked Jan 25, 2018

2 answers

5 votes

76.9k views

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