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miskamm [114]
3 years ago
9

What is this answer help me out here !

Mathematics
1 answer:
lilavasa [31]3 years ago
5 0
I think option 2 I could be wrong lol
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Perform the indicated operation and express the result as a simplified complex number. I need help with 35
skelet666 [1.2K]

Given:-

\frac{3+4i}{2-i}

To find:-

The simplified form.

At first we take conjucate and multiply below and above.

The conjucate is,

2+i

So now we multiply. we get,

\frac{3+4i}{2-i}\times\frac{2+i}{2+i}

Now we simplify. so we get,

\frac{3+4i}{2-i}\times\frac{2+i}{2+i}=\frac{6+3i+8i+4(i)^2}{2^2-i^2}

We know the value of,

i^2=-1

Substituting the value -1. we get,

\begin{gathered} \frac{6+3i+8i+4(i)^2}{2^2-i^2}=\frac{6+3i+8i+4(-1)_{}^{}}{2^2-(-1)^{}} \\ \text{                               =}\frac{6-4+11i}{2+1} \\ \text{                              =}\frac{2+11i}{3} \end{gathered}

So now we split the term to bring it into the form a+ib. so we get,

\frac{2+11i}{3}=\frac{2}{3}+i\frac{11}{3}

So the required solution is,

\frac{2}{3}+i\frac{11}{3}

3 0
1 year ago
If AB is parallel to CD and the slope of CD is-5, what is the slope of AB?
ankoles [38]

Answer:

C. -5

Step-by-step explanation:

If the two lines are parallel, they have the same slope. Therefore the slope of AB is -5.

5 0
3 years ago
Blake and two friends equally shared the cups of water shown in the picture.
3241004551 [841]
The answer would be c- 2/6

there are six cups total and three (blake plus two others) friends

there are two ways you can solve this…

1. by making groups
if you look at the picture, you can split it into three groups because that is the number of people, then count how many cups there are in one group which will be your numerator for the denominator six which is the total

2. simple division
divide the total number of cups buy the number of people which is 3
you get two and follow the same process above

6 0
3 years ago
What is the dimensions for a square that has an area of 30 and a perimeter of 34
Alla [95]

A 4-sided thing with area of 30 and perimeter of 34
has these dimensions:

          <em> Length  =  15</em>
<em>            Width  =  2</em>

That's no square.


4 0
3 years ago
If the spinner shown is spun 300 times, what percent of the time can you expect it to land on the section labeled "A"? %
Marta_Voda [28]
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4 0
3 years ago
Read 2 more answers
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