subject

Mathematics, 22.11.2019 02:31 1109pacey

Can someone explain why the square root of -4 equals "2i"? what is i?

ansver

Answers: 1

Show answers

Another question on Mathematics

question

Mathematics, 21.06.2019 13:30

Find two rational expressions that have the difference of 2-n/n-4

Answers: 1

question

Mathematics, 21.06.2019 15:30

Find the height of a square pyramid that has the volume of 32 ft.³ and a base lengthof 4 feet

Answers: 1

question

Mathematics, 21.06.2019 16:40

This question awards 100 ! i really don’t want to fail i will also mark you !

Answers: 2

question

Mathematics, 21.06.2019 21:50

Determine the common ratio and find the next three terms of the geometric sequence. 10, 2, 0.4, a. 0.2; -0.4, -2, -10 c. 0.02; 0.08, 0.016, 0.0032 b. 0.02; -0.4, -2, -10 d. 0.2; 0.08, 0.016, 0.0032 select the best answer from the choices provided a b c d

Answers: 1

You know the right answer?

Can someone explain why the square root of -4 equals "2i"? what is i?...

Questions

question

History, 06.10.2019 12:30

Who was matteo ricci? a. he was a british explorer who established the port city of macao. b. he was a diplomat sent to the philippines. c. he was on...

question

Mathematics, 06.10.2019 12:30

The wholesale price of a lamp is $44 and will be marked up by 40 percent. what is the retail price of the lamp?...

question

History, 06.10.2019 12:30

How did education for women affect the progressive era?...

question

History, 06.10.2019 12:30

Can someone me answer this question ! do you think that filmmakers have a duty to represent historical events accurately, or do you thin...

question

History, 06.10.2019 12:30

All of the following are true statements about christopher columbus except a. he was italian. b. he underestimated the size of the earth...

question

Mathematics, 06.10.2019 12:30

There was a boy and he had three friends what is a multiplication sentence to find the total...

question

Social Studies, 06.10.2019 12:30

In what ways did the lewis and clark expedition fulfill its mission...

question

Business, 06.10.2019 12:30

Xavier bought 4,000 shares of xyz stock at $17.37 per share. this price was down $1.12 from the previous days closing price. the ticker for this trans...

question

Biology, 06.10.2019 12:30

What is the difference between diploid and haploid cells? diploid cells contain two chromosomes while haploid cells contain one. di...

question

English, 06.10.2019 12:30

Which of the following is not part of the publishing phase? a) selecting the forum for the writing product b) improving visual appearance...

question

History, 06.10.2019 12:30

Who were the conquistadors and why did spain send them to the americas...

question

Mathematics, 06.10.2019 12:30

If a salesman sold 6358 books. each book cost $8.00. how much money did he make ?...

question

History, 06.10.2019 12:30

Tor f in response to labor strikes that threarened to cripple the nation, truman threatened to draft business owners into the military....

question

Physics, 06.10.2019 12:30

If a person is throwing darts at a target, and shoots three in a row in the same spot on the 20 section outer ring, but none in the bullseye, this per...

question

Mathematics, 06.10.2019 12:30

Challenger elementary school has 800 students. every wednesday, 12%, percent of the students stay after school for chess club. how many students atten...

question

Mathematics, 06.10.2019 12:30

a. this graph is a function whose domain is the set of {3} b. this graph is not a function because the value x equals three assigned to more tha...

question

Geography, 06.10.2019 12:30

The rio grande and the rio bravo del norte are two different names for the same river true or false?...

question

Social Studies, 06.10.2019 12:30

What was the important precedent set by the gitlow v. new york case?...

question

Chemistry, 06.10.2019 12:30

Areaction where one element replaces another in a compound is called a...

question

Mathematics, 06.10.2019 12:30

Louise made 80% of what he made last week. if he made $72 this week, how much would you make last week?...

More questions: Mathematics Another questions

Questions on the website: 13722359