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3 years ago

14

Explain why any number less than 12.5 and greater than or equal to 11.5 would round to 12 when rounded to the nearest whole numb

er

1 answer:

n200080 [17]3 years ago

5 0

Because you round to the another number up

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What is the slope of the line shown in the graph?<br> A) 3/2<br> B) 2/3<br> C) -3/4<br> D) -2/3

defon

Choose two points

(4,1) and (-3 , 5)

rise/run = 4/6

Simplify - 2/3

Answer = B) 2/3

Hope this helps!!

6 0

3 years ago

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How do I simplify 3(2a-8b)

Mumz [18]

You would have to do distribution. So you would have to multiply 3 by 2a and multiply 3 by -8b. 3 times 2a equals 6a (always keep the letter) and 3 times -8b equals -24b. (if there is only one negative number when multiplying, always keep the negative sign.) now you are left with 6a-24b. and since we cant put a into b, your answer would be 6a-24b. hopefully this helped you and sorry if it confused you

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4 years ago

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What is the inverse of the function y = -8x + 15?

MrRa [10]

$y = -8x + 15\\ 8x=-y+15\\ x=-\dfrac{y-15}{8}\\\\ y^{-1}=-\dfrac{x-15}{8}$

6 0

3 years ago

(2x/x+3)+(x+3/x-5) in simplest form

olga2289 [7]

Answer:

Below

Step-by-step explanation:

(2x/x+3) + (x+3/x-5)

Transform: 2x(x-5) + (x+3)^2 / (x+3)(x-5)

Remove brackets and expand : 2x^2 - 10x + x^2 + 6x + 9 / x^2 - 5x + 3x - 15

Collect like terms : 3x^2 - 4x + 9 / x^2 - 2x - 15

Final answer: 3x^2 - 4x + 9 / x^2 - 2x - 15

8 0

3 years ago

find the root(s) of f (x) = (x + 5)3(x - 9)2(x + 1). 50 POINTS!!!!!!! -5 with multiplicity 3 5 with multiplicity 3 -9 with multi

Dmitrij [34]

Answer:

The answer to this question can be described as follows:

-5 with multiplicity 3

9 with multiplicity 2

-1 with multiplicity 1

Step-by-step explanation:

Given:

$\Rightarrow f (x) = (x + 5)^3(x - 9)^2(x + 1)$

Solve the above equation:

$\Rightarrow f (x) = (x + 5)(x + 5)(x + 5)(x - 9)(x - 9)(x + 1)\\$

The roots of the polynomial are as follows:

$\Rightarrow (x-x_1)(x-x_2)(x-x_3)......(x-x_n)\\\\\Rightarrow x_1,x_2,x_3.........x_n$

That's why the roots are:

5 with multiplicity 3

9 with multiplicity 2

-1 with multiplicity 1

8 0

3 years ago

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