axyoungcva axyoungcva

02-01-2017
Mathematics

contestada

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

Respuesta :

02-01-2017

standard form is a + bi
Combine like terms
5 + 17i

Answer Link

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

I don’t understand how to factor trinomials

What would happen to a monthly payment if the interest rate increased

Which organelle is responsible for breaking down the cells that once made up the tail of a tadpole

In 1928, herbert hoover __________. select one: a. had little government experience b. called for repeal of prohibition c. won the presidency, primarily because

Scientists who study physical, cognitive, and social changes throughout the life cycle are called

list three things you should do to prepare to listen in class

How does the increasing mass affect kinetic energy?

Write a short python program to simulate flipping a coin - generate a random number between 0 and 1, calling numbers < .5 tails and numbers >=.5 heads. ha

how to factor the expression

Whose behavior is most likely to show the greatest resistance to extinction? carlos, who gets everything he asks for from his grandparents when they are out sho