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4 years ago

What number is halfway between 13 and 31

2 answers:

8 0

The distance between the numbers A and B is equal |B-A|

$Simplify:\\\\\frac{|31-13|}{2}=\frac{|18|}{2}=\frac{18}{2}=\boxed{9}$

ankoles [38]4 years ago

4 0

To find the answer to that, you have to see how many numbers are between 13 and 31. There are 18 numbers between 13 and 31. Divide 18 by 2 and you will get the number halfway. 9 is halfway between 13 and 31. So, add 9 to 13 and you get 22.

The answer is 22.

Hope I helped

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tekilochka [14]

Answer:

a. {7,14}

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c. (no)

Step-by-step explanation:

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3 years ago

Whats the radius of a circle whose equation is x^2+y^2=16

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3 years ago

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Dafna11 [192]

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4 years ago

Can 6,12, and 18 make a triangle?

OverLord2011 [107]

By definition, 3 side lengths are a triangle if any 2 side lengths add up to be greater than the third.

We can already see that the side lengths 6 and 12 will add up to a value of 18, which is equal to the last side length, meaning that the three values are not a triangle.

$a=6$

$b=12$

$c=18$

$a+b>c$

$b+c>a$

$c+a>b$

$6+12>18$ (Since this is not true, this is not a triangle)

Hope this helps.

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3 years ago

(3x2 - 4x +8)+(-x2 – 2x – 8)

diamong [38]

Hey there,

The question given is as follows:

(3x² - 4x + 8) + (-x² - 2x - 8)

When we add polynomials we add like terms (e.x. we add 3x² with -x²) and combine the two to make one polynomial. When we add the two polynomials given above:

2x² - 6x + 0

So our answer to the problem would be 2x² - 6x.

Hope I helped,

Amna

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4 years ago