challearbeel challearbeel
  • 23-02-2018
  • Mathematics
contestada

Which expression is equivalent to 3i(4 + 7i)?

Respuesta :

mathmate
mathmate mathmate
  • 23-02-2018
3i(4+7i)=3i*4+21i^2=12i-21  (i^2=-1)
Answer Link
Janay1012
Janay1012 Janay1012
  • 23-02-2018
the answer is 3i(4)+21i

I hope this helps
Answer Link

Otras preguntas

(Essay)-is friendship important or not and why?
Why would muscle cells need hundreds more mitochondria than any other cell in the human body?
What is the value of y? 3 4 5 6
this john had a giant signature
A bike rider can ride 30 miles in 150 min. If she rides at that speed how fast is she riding in mph???
A jewelry box contains two gold hoop earrings and two silver hoop earrings. You randomly choose two earrings. What is the probability that both are silver hoop
Quick chemistry question (photo attached)
bbgluver i need your help President Carter helped the peace process in the a. European nations. b. Middle East. c. Soviet Union. d. Latin American countries.
Troops from Russia have entered Estonia and seized their ports, though no Estonians were killed in the swift invasion. The United States would most likely pursu
A system of equations is shown below. y = 5x + 10 y = 10x – 5 What is the value of x + y? A. 25 B. 28 C. 72 D. 75