3 years ago

What is (7-4i)+(-2+5i)

Mathematics

2 answers:

olchik [2.2K]3 years ago

6 0

7-2 + -4i +5i
5+i
The answer is 5 plus I

Alla [95]3 years ago

5 0

Answer:

(7-4i)+(-2+5i) = 5 + i

Answer = 5 + i

Step-by-step explanation:

Group the real part and the imaginary part of the complex number

( 7 - 4i ) + (-2 + 5i )

= ( 7 - 2 ) + ( -4 + 5 ) i

Refine = 5 + i

You might be interested in

A and B are two events.

maria [59]

Answer:

0.8

Step-by-step explanation:

We can solve P(A or B) by using the following:

$P(AorB)=P(A)+P(B)-P(AandB)$

Since we know P(A) = 0.6, P(B) = 0.3 and P(A and B) = 0.1 we obtain:

$P(AorB)=0.6+0.3-0.1=0.8$

4 0

4 years ago

−5(1+5)=−6−24<br> helppppppppppppppppppppp

GarryVolchara [31]

Answer:

-30=-30

Step-by-step explanation:

Always true.

8 0

3 years ago

Read 2 more answers

You need a quart of water but you only have a measuring cup. How many times do you need to fill the cup in order to get a quart?

larisa86 [58]

You need to fill the cup up 4 times since there are 4 cups in a quart.

6 0

4 years ago

What is the domain of the following graph? Please don't put links down I cant download them.

rosijanka [135]

Answer:

-infinity, infinity

Step-by-step explanation:

Domain is x, and in a quadratic equation like this one the x axis goes on forever. So the first answer of -infinity, infinity is correct.

8 0

3 years ago

Read 2 more answers

The position of a swimmer below sea level is represented by –5 meters. The diver descends an additional 3 meters below sea level

Damm [24]

The answer is negative 65

6 0

3 years ago

Read 2 more answers