2 years ago

Simplify this expression below as much as possible. (7+4i)+(9+5i)-(2+5i)

Mathematics

2 answers:

gtnhenbr [62]2 years ago

7 0

Answer:

7+4i+9+5i-2-5i

7+4i+9-2

4i+7+9-2

4i+14

anzhelika [568]2 years ago

4 0

Answer: 14 + 4i

Step-by-step explanation:

(7 + 4i) + (9 + 5i) - (2 + 5i)

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

(a + bi) ± (c + di) = (a ± c) + (b ± d)i

(7 + 9 - 2) + (4 + 5 - 5)i

7+9-2=14 and 4+5-5=4

Therefore, (7+4i)+(9+5i)-(2+5i) is equal to 14 + 4i

You might be interested in

A model is made of a car. The car is 5 feet long, and the model is 8 inches long. What is the ratio of the length of the car to

olya-2409 [2.1K]

The answer is 5:8. Hope this helps!

6 0

2 years ago

Read 2 more answers

The table shows the number of pounds of green

mel-nik [20]

Answer:

10 1/2

Step-by-step explanation:

First you would do.

9+2/3+5/6

2/3=4/6

9+4/6+5/6

9+9/6=3/2

9+1 1/2

=10 1/2

3 0

3 years ago

What is a2+b2=c2 what formula is this Amos trevor_frost

Keith_Richards [23]

Answer:

$\huge{\boxed{\boxed{\tt { ⎆ \ Pythagorean \ Theorem :-}}}} \$

$a {}^{2} + b {}^{2} = c {}^{2}$

This is the formula for the pythagorean theorem i.e, one leg of a triangle squared plus another leg of a triangle squared equals the hypotenuse squared.

6 0

2 years ago

Read 2 more answers

Solve 11 ≤ w + 3.4 i dont know the answer please help me

shepuryov [24]

Answer:

7.6 ≤w

Step-by-step explanation:

Hey there!

In order to solve this inequality, you need to simplify the inequality like the following:

Subtract 3.4 from both sides

7.6 ≤w

This means that w is greater than or equal to 7.6

6 0

1 year ago

Greenville and north valley are 4.5 inches apart 1 inch equals 20 mkiles

Greeley [361]

90 would be your answer.

5 0

3 years ago