lilyyy16 lilyyy16
  • 02-12-2020
  • Mathematics
contestada

What is the value of (7 +21)(3 - i)?

Respuesta :

sabrin12A sabrin12A
  • 02-12-2020
(7+21)=28

28(3-I)=

28•3 =84

28•I=28i

28/84=3,5

3,5=I
Answer Link

Otras preguntas

what animal phylum do corals belong to PLEASE HELP ME
why is it important for a germ to change over time
the equation of a circle is given below (x+9)^2+(y-46)^2=123
Sandra measures a poster. The poster is 20 inches long.which is true?1.The poster is more than 20 centimeters long.2.The poster is exactly 20 centimeters long.3
Someone needs to borrow ​$14,000 to buy a car and the person has determined that monthly payments of ​$250 are affordable. The bank offers a 4​-year loan at 6​%
Is duration negative or positive
Answer the next question based on the following list of factors that are related to the aggregate demand curve. 1) Real-Balances Effect 2) Household Expectation
You really .....go to the Louvre if you're in Paris. It's wonderfulmustn't/shouldn'tshouldmust/should must​
A researcher is testing a new antiviral agent that reduces the severity of a highly contagious strain of the flu virus. She has found that the antiviral agent o
Help would be appreciated