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kifflom [539]
4 years ago
15

What is the sum of -2+9=

Mathematics
2 answers:
Oksanka [162]4 years ago
8 0
Your answer will be 7 

-2+9 is the same as 9-2

hope this helps 
noname [10]4 years ago
4 0
Same signs add and keep different signs subtract keep the sign of the higher number then you'll be exact. (This is a song I learned to help me with problems like these, sing it to the rhythm of row row row your boat) Your answer would be positive 7.
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If a polynomial function f(x) has roots –8, 1, and 6i, what must also be a root of f(x)?
inna [77]
For any polynomial with a complex root, the imaginary part of the complex root always has positive and negaive component. Since one of the roots of this polynomial is 6i, then -6i must also be a root of the function.
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3/√3 how to get final answer?<br><br> Is it like this <br> 3=√3*√3<br><br> And <br> √3*√3/√3= √3
Tresset [83]

Answer:

\sf   \sqrt{3}

Step-by-step explanation:

\sf =  \frac{3}{ \sqrt{3} }

\sf =  \frac{3}{ \sqrt{3} }  \times  \frac{ \sqrt{3} }{ \sqrt{3} }

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3 years ago
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Which value of a from the set {3, 4, 5, 6} makes this equation true? a + 4(a − 5) = 5
elixir [45]
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Javier writes an integer on a piece of paper. the absolute value of his number is less than 4. which is true of the possible val
Vadim26 [7]

The possible values are less than 4 but greater than -4.

In the given statement is :

Javier writes an integer on a piece of paper. The absolute value of his number is less than 4.

What is Inequality?

Inequality, a statement of an order relationship - greater than, greater than or equal to, less than, or less than or equal to -- between two numbers or algebraic expressions.

Let the integer written by Javier be x

Thus, According to the given situation

=> x > 4 and -x > 4

=> x > 4 and x < -4 (by multiplied -1 on both sides , the inequality reverse)

=> -4 < x< 4

The possible values are less than 4 but greater than -4

Learn more about Inequality at:

brainly.com/question/14041097

#SPJ4

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2 years ago
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den301095 [7]

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Step-by-step explanation: iready

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