savvvtrees savvvtrees

01-07-2020
Mathematics

contestada

Which expression is equivalent to (7+4i) +(8+i)

1. 15-5i
2. 15+5i
3. 5+0i
4. 20+0i

Respuesta :

Stephen46 Stephen46

01-07-2020

Answer:

The answer is number 2.

15+5i

Hope this helps

Answer Link

09pqr4sT 09pqr4sT

01-07-2020

Answer:

2. 15 + 5i

Step-by-step explanation:

Remove the brackets.

7 + 4i + 8 + i

Rearrange.

7 + 8 + 4i + i

Add the like terms.

15 + 5i

Answer Link

Otras preguntas

4. Calculate the pH of a solution with an H+ concentration of 3.25 x 10^-3 M. 5. Calculate the H+ concentration in a solution with a pH of 2.34

help again. sorry i just need answers ight now. TAKE UR TIME PLEASE

Cual es la medida reglamentada del tenis individual?

please help :/ I really don’t know what to write give ideas examples and if u can write the letter I’ll give u brainliest :/

A triangular park has a walkway that is perpendicular to one of the sides of the park and divides that side into two equal parts, as represented by the diagram.

i need help asap please

What is the speed of sound in air? A 1000 meters per second B. 335 meters per second C.25 meters per second D. 2500 meters per second

please helpp ill give out the brainleist.

plz help i’m not smart

It is a folk song from indonesia about the cockatoo and the village grandmother who listens to it sing.