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g100num [7]
3 years ago
6

What is (2 + 4i) + (-6-4i) simplified? ​

Mathematics
1 answer:
AlladinOne [14]3 years ago
4 0
Simplified the answer is -4
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Choose the pair of numbers that is not a solution to the given equation.
balandron [24]

Answer:

The pair (0,3) is not a solution to the equation

Step-by-step explanation:

This can be proved by simply replacing the x and y variables in the equation by the x and y values of the pair, and checking if the equation renders a true statement:

By replacing x and y with their values in the pair (0,3), that is x=0 and y=3, in the equation y = 5 - 2x  we get:

3 = 5 - 2 (0)

3 = 5 - 0

3 = 5

which is NOT a true statement.

On the other hand, the other two pairs (2,1) and (1,3) render true statements:

1 = 5 - 2 (2)

1 = 5 - 4

1 = 1

and

3 = 5 - 2 (1)

3 = 5 - 2

3 = 3

3 0
3 years ago
Find the circumference of a circle with an area of 28.26.<br> Show work please.
muminat

Answer:

18.84

Step-by-step explanation:

Since the formula for circumference is C=2\pi r, we need to first find the radius. The formula for the radius is r=\frac{\sqrt{A\pi } }{\pi }, so we will get r=3. Substitute that into C=2\pi r, and we get C=18.84. Hope this helps!

<h2><u><em>Please mark brainliest!</em></u></h2>
4 0
3 years ago
In trapezoid KLMN, solve for x ,then use that value to solve for
Andre45 [30]

Answer:

<u>Same side angles are supplementary</u>

L+k=180

18x-18+72=180

18x=126

x=7

m∠18(7)-18

= 108°

---------------------

hope it helps...

have a grat day

3 0
3 years ago
Como dividir 8.2 por 2.87
lakkis [162]
It would equal 11.07. it is right
3 0
3 years ago
Read 2 more answers
Help! i need this done this is worth 50% of my grade-
Colt1911 [192]

Answer:

A

Hope you get it right!:)

8 0
3 years ago
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