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Arturiano [62]
3 years ago
7

Add the complex numbers: (4 + 8i) + (–2 – i) Question 6 options: A) 6 + 7i B) 2 + 9i C) 2 + 7i D) 6 + 9i

Mathematics
1 answer:
WITCHER [35]3 years ago
8 0

Answer:

C) 2+7i   is the correct answer.

Step-by-step explanation:

simplify by combining the real and imaginary parts of each expression. in this question, the variable i represents an imaginary number.

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Which graph represents 2x − 5y ≥ − 20
DENIUS [597]

Answer:

Go to desmos and it will answer literally all of your graphing questions. Just type in desmos graphing calculator.

Step-by-step explanation:

3 0
3 years ago
Simplify the expression below. Show your Work.
lord [1]

Answer:

7y + 24

Step-by-step explanation:

Think of the negative sign to the left of the parentheses as being -1. Then apply the distributive property. The effect of a negative sign to the left of parentheses or a 1 to the left of parentheses is that each term inside the parentheses changes sign.

-(-7y - 24) = -1(-7y - 24) = (-1)(-7y) - (-1)(24) = 7y - (-24) = 7y + 24

8 0
3 years ago
Stephanie and victor each built a rectangular garden .Stephanies garden is three times as long and tree times as wide as victori
MrRa [10]

Answer:multiply by three

Step-by-step explanation:

8 0
3 years ago
Caleb took 9 photos at the zoo. One third of his photos are of giraffes. Enter the number of Caleb's photos that are of giraffes
Serhud [2]

Answer:

3 pictures are giraffes

Step-by-step explanation:

1/3 of 9 is 3. Caleb took 3 pictures of giraffes.

3,6,9...

1/3, 2/3, 3/3=1

Hope this helps!

8 0
3 years ago
Read 2 more answers
Can someone pls help?
Sergio [31]
<h3>Answer:  x = 4</h3>

==================================================

Explanation:

Use the remote interior angle theorem. This says a pair of interior angles always add to the measure of the exterior angle that is not adjacent to any of the interior angles, so basically what your diagram is showing.

(interior angle C) + (interior angle D) = exterior angle

(46) + (-1+8x) = 18x+5

8x+45 = 18x+5

8x-18x = 5-45

-10x = -40

x = -40/(-10)

x = 4

5 0
3 years ago
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