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Natalka [10]
3 years ago
8

Simplify completely. (2 + 3i) + (-4+i)

Mathematics
2 answers:
Dmitrij [34]3 years ago
8 0

Answer:

-2+4i

Step-by-step explanation:

Aleksandr-060686 [28]3 years ago
7 0

Answer:

-2+4i

Step-by-step explanation:

Simplify by combining the real and imaginary parts of each expression.

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Which of the following systems of inequalities has no solution?
RSB [31]

Answer:

The third one

Step-by-step explanation:

y=>x+1

y=<x-1

removing y

x-1 => x+1

removing x

we have no solution

6 0
2 years ago
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Find mean, median and mode of 140, 130, 90, 80, 60, 50, 30, 20, 10, 0
Alecsey [184]
For the mean you would have to add up all the numbers up and divide by the amount of numbers. For your problem you would get 610/10= 61. 

For the median you would arrange all the numbers in order from least to greatest and cancel one from the left and one from the right each time. Since there is no middle number, the closest would be 50 and 60. Thus you you add 50+60 and get 110 and then divide by 2 giving you 55.

For the mode, there is no mode because none of the numbers repeat more than once.

I hope this clarifies your doubt. :)
3 0
3 years ago
How many pounds of sugar are in a 15 kg bag of sugar?
lutik1710 [3]

Answer:

30 lb/pounds

Step-by-step explanation:

used an online conversion

5 0
2 years ago
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Maggie colors a figure in the shape of a trapezoid.The trapezoid is 6 inches tall.The bases are 4.5 inches and 8 inches.What is
Tcecarenko [31]
The answer for this is 37.5. I can't show the work because i searched it up on Google.
5 0
3 years ago
What is the sum of the first 10 terms in this geometric sequence? 3,-6,12,-24
lana [24]
<span>3,-6,12,-24,48,-96,192,-384,768,-1536

sum:
</span>3 -6+12 -24+ 48 -96+ 192 -384+ 768 -1536 = -1023

Answer is C. -1023

4 0
3 years ago
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