foxpower0519 foxpower0519
  • 04-05-2020
  • Mathematics
contestada

When you multiply (-10+-8i)(1+9i). you get an answer of the form a+bi. Find b.

Respuesta :

CEcherie CEcherie
  • 25-11-2021

Answer:b=-98

Step-by-step explanation:

(-10+-8i)(1+9i)=-10-90i-8i-72(-1)

=-10-98i+72

=62+-98i

Hence, a+bi=62+-98i

b=-98

Answer Link

Otras preguntas

find the area of a circle if its circumference is 10 pi
Describe atleast three types of activities you could do to learn more about a particular career
frank has a board that is 5/8 yards long he cuts off a piece that is 3/5 the length of the board how long is the piece of the board frank cutt off?​
17.At what age were romans considered adults. Single choice. (1 Point) boys at 18, girls at 16 both boys and girls at 21 boys at 15, girls when married (about 1
Wich point, when added to the set would form a relation that is not a function. Please help.
AA person takes out a discounted loan with a face value of $500 for 6 monthsfrom a lender who charges a 91% discount rate. a) What is the discount, andhow much
Was violence an inevitable part of the civil rights movement?
All of his friends laugh at him conert into passive
Expalin two advantages of Marginal Costing.
what does TVET stands for?​