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

Choose the more precise measurement in the pair. A .) 6.7 mi or B.) 6 mi

what do I do to figure out this problem:3x+8=26+x

Solve the quadratic by factoring 2X²-2X-12=0

Amy raised £n for charity. Chris raised £18 more then any. The mean amount raised by the two of them is £45. Work out how much money each one of them raised

Heat is released when H2 gas and O2 gas react to form H2O. Why? A. Breaking the H–H bond in H2 gas releases heat. B. Breaking the O–O bond in O2 gas releases he

What was the major purpose of the Truman Doctrine?

What's the other term for: one who overindulges in food and drink

How would you call in other words to scold or punish severely

A tree casts a shadow 27 m long. At the same time, the shadow cast by a 66-cm tall statue is 56 cm long. Find the height of the tree to the nearest tenth of a

what we need to become success