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neonofarm [45]
3 years ago
11

Which algebraic expression is equivalent to the expression below? (6x + 13) + 6

Mathematics
1 answer:
finlep [7]3 years ago
8 0

Answer:

6x+19

Step-by-step explanation:

The parentheses do nothing here to stop you from adding - since every term in here is only being added, there is no reason to worry about the parentheses.  Simply combine like terms (13 + 6) to achieve 6x + 19.

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Can someone help me with this question? I seem to be getting a negative answer every time :(
NeX [460]

Substitute 4 for y. Then -3x^2 + 16 = 52.

Solve for x. Subtract 16 from both sides, obtaining -3x^2 = 36.

Divide both sides by -3, obtaining x^2 = -12. This last result makes no sense, as no square of a real number could be negative. Probably this is where you're ":getting a negative answer."

If imaginary answers were allowed, then x = i*√12 = i*2√3 or x = -i*2√3.


x =

8 0
4 years ago
Read 2 more answers
The faces of a die are labelled 1,2,2,3,4,5. The die is rolled 200 times. How many times would you expect the number 2 to appear
DIA [1.3K]
2 out of 6 times or 1 out of 3 times.  It is most likely to land on a 2 than the other numbers.
3 0
3 years ago
Use the quadratic formula to write a quadratic equation that has the solutions x=-4 ± 2/6.
yKpoI14uk [10]

Step-by-step explanation:

general formula

x²-(a+b)x+(ab)

where a is alpha

and b is beta

x=-4+2/6 or x=-4-2/6

x=-1/3 or x=-1

a+b=-1/3 + -1 =-4/3

ab= -1/3 x -1 =1/3

quadratic equation

x²-(-4/3)x + 1/3=0

x² + 4/3x + 1/3=0

multiply through by 3

3x² +4x +1=0

3 0
2 years ago
Read 2 more answers
A company has two manufacturing plants with daily production levels of 7 x plus 19 items and 2 x minus 7 ​items, respectively. T
leva [86]

First plant produces 5x+26 items more than second plant daily

Step-by-step explanation:

Given

The expression for plant A will be:

7x+19

For plant B:

2x-7

In order to find that how much more items are produced by first plant we have to subtract the daily production of second plant from first plant

So,

= 7x+19-(2x-7)\\= 7x+19-2x+7\\= 7x-2x+19+7\\=5x+26

So,

First plant produces 5x+26 items more than second plant daily

Keywords: Polynomials, expressions

Learn more about polynomials at:

  • brainly.com/question/729447
  • brainly.com/question/7287774

#LearnwithBrainly

5 0
3 years ago
Which values of a, b, and c represent the answer in simplest form?
Hoochie [10]

The value of a is 1 , b = 3 , c = 4 , Option B is the correct answer.

The correct question is

Which values of a, b, and c represent the answer in simplest form?

7/9 divided by 4/9 = \rm a\dfrac{b}{c}

1: a = 1, b = 4, c = 3

2: a = 1, b = 3, c = 4

3: a = 1, b = 63, c = 36

4: a = 1, b = 36, c = 63

<h3>What is reducing to simplest Form ?</h3>

Reducing to simplest form means to reduce to an extent where the numerator and denominator have nothing in common to be cancelled out.

It is given in the question that

(7/9) / (4/9) =  \rm a\dfrac{b}{c}

It can also be written as

(7*9)/(4*9) =  \rm a\dfrac{b}{c}

7/4 = \rm a\dfrac{b}{c}

\rm 1 \dfrac{3}{4} = a\dfrac{b}{c}

Therefore the value of a is 1 , b = 3 , c = 4 , Option B is the correct answer.

To know more about Simplest form

brainly.com/question/290068

#SPJ1

3 0
2 years ago
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