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

When someone reads a novel and writes a review with opinions about the work, this is a type of

How can you best promote growth food in your community?

How do I solve for slope?

simplify 1 cube + 2 cube + 3 cube × 1/2

Is the following a sentence or a fragment: Because of the new rules, we can't let you park here. Fragment Sentence

PLEASE HELP ASAP!!!! Which leadership function is being employed in the following situation? At a department meeting, the employees are discussing why they miss

A sail is in the form of a right triangle. The angle at its lower edge is 57. Which is the size of the angle formed at the top of the sail?

A certain compound is made up of one phosphorus (P) atom, three fluorine (F) atoms, and one oxygen (O) atom. What is the chemical formula of this compound? Note

An 805-kg race car can drive around an unbanked turn at a maximum speed of 54 m/s without slipping. the turn has a radius of curvature of 155 m. air flowing ove

How was the United stages responsible for the Cold War