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

Please help I will mark brainliest

Find the exact circumference of a circle with the given radius 5” c=?

Which of the following conclusions can be drawn about the addition of this amendment?

Based on this information, which alternative energy source should the community consider investing in?

Which economic systems is based on a command economy as opposed to a free market economy

Plastic is made from ____. a leachates produced by bioenzymes b melted silica sand grains c byproducts of coal mining d extraction of inorganic solids oil and n

Examine the lightbulbs in the circuit below. Write a sentence explaining what would happen if lightbulb A burned out. Repeat this for lightbulbs B, C, and D.

Oil is leaking from a damaged shipping vessel stranded at sea. The captain estimates that the costs, C, in millions of dollars, to clean a t ton oil spill can b

what does a triangle have to do with your health?

A night-light uses 3 W. If the voltage is 120 V, what is the current?