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Ksenya-84 [330]
4 years ago
10

6) -(-2-n) what is the answer?

Mathematics
1 answer:
irga5000 [103]4 years ago
3 0

Answer:  The correct answer is:  " n + 2 " .

____________________________________________

Step-by-step explanation:

____________________________________________

Let us assume that the:  "6) "  refers to "problem #6" .

____________________________________________

We are given the expression:

____________________________________________

 " -(-2-n) " ;   Let us simplify this expression;

To do so, we can "rewrite" this expression as:

              →           " -1(2 - n) " ;  

____________________________________________

Note the following distributive property of multiplication:

____________________________________________

      →  " a(b + c) =  ab + ac " .

____________________________________________

As such:  

     →  "  -1(-2 - n)  = (-1 * -2) + (-1 * -n) "  ;

                            =   (2)  +  (n)  ;

                            =   2 + n ;

                            ↔  " n + 2 " ;  which is our answer.

____________________________________________

Hope this answer — and explanation — is helpful to you!

          Wishing you well in your academic endeavors

                     — and within the "Brainly" community!

____________________________________________

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What is the length of LN?
nlexa [21]

Find the length of MN by setting up a ratio:

Let MN =  X

X/18 = 5/6

Cross Multiply:

6x = 90

Divide both sides by 6:

x = 15

Now you know MN add it to LM for the total length of LN:

15 + 5 = 20

8 0
4 years ago
Circle A has an area of 500 in? The diameter of circle B is three times the diameter of circle A. Estimate the area of circle B.
Monica [59]

Step-by-step explanation:

circle has an area of 500 inches if we multiply it by 3 we get 1500 inches

5 0
3 years ago
Sum of positive roots of the equation (x2 - 12x + 35) (x2 + 10x + 24) = 504 is
Digiron [165]

Answer:

(3)11

Step-by-step explanation:

We are given that

(x^2-12x+35)(x^2+10x+24)=504

We have to find the sum of positive roots of the equation.

x^2(x^2+10x+24)-12x(x^2+10x+24)+35(x^2+10x+24)=504

x^4+10x^3+24x^2-12x^3-120x^2-288x+35x^2+350x+840=504

x^4-2x^3-61x^2+62x+840-504=0

x^4-2x^3-61x^2+62x+336=0

Factor of 336

2,3,4,6,8,7,

Let x=2

2^4-2^4-61(2^2)+62(2)+336\neq0

x=2 is not the root of equation

x=-2

(-2)^4-2(-2)^3-61(-2)^2+62(-2)+336=0

Hence x=-2 is the root of equation.

x+2 is a factor of equation.

x=3

3^4-2(3^3)-61(3^2)+62(3)+336=0

Therefore, x=3  is the root of equation.

(x+2)(x-3)(x^2-x-56)=0

(x+2)(x-3)(x^2-8x+7x-56)=0

(x+2)(x-3)(x(x-8)+7(x-8))=0

(x+2)(x-3)(x-8)(x+7)=0

x-8=0\implies x=8

x+7=0\implies x=-7

Positive roots are 3 and 8

Sum of positive roots=3+8=11

Option (3) is true.

4 0
3 years ago
Nina heard that as a general rule, she should spend no more than one week's pay on rent. If Nina's pay is $27,600 per year, what
SIZIF [17.4K]

52 weeks in a year

27600/52 = 530.769

so 1 weeks pay = 530.77

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(Round answer as needed)

 

8 0
3 years ago
Read 2 more answers
Six decreased by 9 times a number is -39
Andrew [12]

The translation of the mathematical statement given as six decreased by 9 times a number is -39 is 9x - 6 = -39

<h3>How to translate the mathematical statement?</h3>

The mathematical statement is given as:

six decreased by 9 times a number is -39

9 times a number means

9 * x (assume x is the number)

So, we have:

six decreased by 9 times a number is -39 ⇒ six decreased by 9x is -39

Decreased by means we subtract 6 from 9x.

So, we have:

six decreased by 9 times a number is -39 ⇒ 9x - 6 = -39

Hence, the translation of the mathematical statement given as six decreased by 9 times a number is -39 is 9x - 6 = -39

Read more about mathematical statement at

brainly.com/question/4541471

#SPJ1

5 0
2 years ago
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