axyoungcva
axyoungcva axyoungcva
  • 02-01-2017
  • Mathematics
contestada

Write (21 − 4i) − (16 + 7i) + 28i as a complex number in standard form.

Respuesta :

bcalle
bcalle bcalle
  • 02-01-2017
standard form is a + bi
Combine like terms
5 + 17i
Answer Link
apologiabiology
apologiabiology apologiabiology
  • 02-01-2017
treat i as a placeholder
get into standard form (a+bi)

distribute stuf and move
21-4i-16-7i+28i
21-16-4i-7i+28i
5+17i
Answer Link

Otras preguntas

If a single cell dies in a multi-cellular organism, what happens to the organism
gulfside gifts has 48 boxes of postcards to sell. there are 24 postards in each box. if the shop sell 3 boxes of postcards, how many postcards does the shop hac
PLEASE ANSWER QUICKLY The sum of three different positive integers is 12. Show that one of them must be greater than 4
Rhode island passes first colonies law making slavery illegal date?!! please helpp
4m-17 <6m+ 25 I don't understand ahh I'm scared I got it wrong
What do the words dissent, persecute, and tolerance have in common
Why a sidewalk has cracks every few feets
Influential Republicans include Ronald Reagan, Abraham Lincoln, Richard Nixon, and __________. a. Franklin d. Roosevelt b. Ulysses S. Grant c. John F. Kennedy
What is the simplest form of 144:132
a joint stock company was