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inysia [295]
4 years ago
6

What is the square root of -1?

Mathematics
1 answer:
Westkost [7]4 years ago
3 0

Answer:

\sqrt{i}

Step-by-step explanation:

i = -1

This is a complex number

in here we take -1 = i

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Decimals- do i move the decimal when adding or multiplying
EastWind [94]

Answer:

when adding you just line the decimals up like this, let's say you had to add 1 to 2.58.

2.58

+ <u> 1 .00</u>

3.58

when multiplying you might have to move it, say you had to multiply 1.5 by 2.2. (you don't have to line up the decimals like with addition)

1 .5

<u> </u><u>×</u><u> 2.2</u>

30

<u> </u><u>+</u><u> 300</u>

3.30

1.5 has one decimal place and 2.2 also has one decimal place so you put those 2 decimal places in your answer.

sorry if this is a bit confusing lol

6 0
3 years ago
Which of the following values are in the range of the function graphed below?
Inessa [10]
The range of the function as seen from the graph is:

(-∞,-2] ∪ [2,∞)

So all the values that are in this range must be selected from the given options. Therefore, the correct answer is:

Option A: 2 
Option C: -4
Option E: -2
8 0
3 years ago
Read 2 more answers
write an equation in slope-intercept form of the line that passes through the points (-2,3) and (2,7)
olga nikolaevna [1]
Your equation is y= x + 5
7 0
3 years ago
18 = 3(3x – 6)<br> Step by step
butalik [34]
Start by multiplying 3 times 3x to get 9x. Then multiply 3 times -6 to get -18
After that your equation is 18=9x-18
Then your going to add 18 to each side so your equation should be 36=9x
Then devide each side by 9 so the answer will be x=4
3 0
4 years ago
Simplify 30! / 28!<br><br> Please post the correct answer. Don’t send links
viva [34]
The answer is
3 divided by 2
Hope this helped
5 0
3 years ago
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