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FinnZ [79.3K]
2 years ago
6

What is 8+[4+(-9)] ?

Mathematics
1 answer:
fgiga [73]2 years ago
7 0

Answer:

Positive 3

Step-by-step explanation:

you have to add 4 and -9 first and you get -5 then you add that to positive 8 and get 3

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True of false? A corollary is a statement that can be easily proved using a theorem.
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Answer: The statement is true.

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3 years ago
What is the real part of the complex number -3+9i
VikaD [51]

The real part of given complex number -3 + 9i is -3

<em><u>Solution:</u></em>

We have to find the real part of complex number -3 + 9i

A Complex Number is a combination of real Number and an imaginary Number

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a + bi

Where "a" and "b" are real numbers and i is the unit imaginary number

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-3 + 9i

On comparing the above complex number with general form of complex number we get,

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8 0
3 years ago
I need help I’m not sure
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\bf ~~~~~~~~~~~~\textit{middle point of 2 points } \\\\ (\stackrel{x_1}{3}~,~\stackrel{y_1}{5})\qquad  (\stackrel{x_2}{-6}~,~\stackrel{y_2}{-6}) \qquad \left(\cfrac{ x_2 +  x_1}{2}~~~ ,~~~ \cfrac{ y_2 +  y_1}{2} \right) \\\\\\ \left( \cfrac{-6+3}{2}~~,~~\cfrac{-6+5}{2} \right)\implies \left(\cfrac{-3}{2}~~,~~\cfrac{-1}{2}  \right)\implies \left( -1\frac{1}{2}~,~-\frac{1}{2} \right)

3 0
3 years ago
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