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

Write an equation that represents the area of Shannon’s garden

To amend the ga constitution the proposed amendment must be approved by

PLS HELP! NO GUESSING 5r + r3s IS IT A MONOMIAL YES OR NO EXPLAIN ANSWER

What is the slope of an equation that is parallel to the graph of 7x+2y= -22? Show all steps

*contact zones between religions are most likely to be volatile when they are

While a balloon is being filled, if the temperature of the air in the balloon decreases, what happens to its volume?

How could Thomas Paine's argument have been used to convince colonists to declare independence from Great Britain?

What government organization formed to enforce antitrust laws and to make sure the interests of small businesses were protected against corporations? internal r

How did sunni Ali bet control commerce in the Sudan region

The basic source of state government's revenue is the property tax. a. True b. False