SmokeyRN SmokeyRN

23-10-2019
Mathematics

contestada

Which expression is equivalent to (6 + 2i)(5 + 3i) ?

A 24 + 28i

B 36+ 28i

C 24 - 28i

D 30 - 28i

Respuesta :

CoolGuyJ CoolGuyJ

23-10-2019

Answer:

A

Steps:

i^2 = -1

Multiply the terms together;

30 + 18i + 10i + 6i^2

30 - 6 + 28i

24 + 28i

Answer Link

Otras preguntas

Select all that apply. In what ways did the United States change after the end of the Spanish-American War? The added possessions meant new responsibilities for

jeff is 1.67 meters tall how many centimeters tall is jeff

The writer wants to add a sentence after sentence 11 to conclude the passage with a quotation that effectively restates and reinforces the overall argument. Whi

Select which word or phrase from the drop-down menu could be used to replace decay in this sentence. When plants decay, they must be cleared away to make room f

For which value of x is f(x)=7

A surveyor wants to use similar triangles to determine the distance across a lake as shown at the right. What is the distance d across the lake? A. 75ft B. 80f

What are 2 types of complex inheritance patterns in genetics?

The radius r of a sphere is 6 units. Find the volume of the sphere. Write your answer in terms of pi. The volume is __ cubic units.

The relative atomic mass of copper is 63.5. Explain why this value is not a whole number

HELP QUICK PLSSSSSSSSS