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DIA [1.3K]
3 years ago
11

How to simplify -2(x-6)

Mathematics
2 answers:
klasskru [66]3 years ago
7 0

-2x+12 because you gotta distribute your -2 to the rest of the equation.

natita [175]3 years ago
6 0

-2(x-6)\\\\\text{use distributive property:}\\a(b+c)=ab+ac\\\\-2(x-6)=(-2)(x)+(-2)(-6)=-2x+12

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Easy question!<br><br> 2x - 3 = 8<br><br> solve plz
statuscvo [17]
2x - 3 = 8
add 3 to both sides
2x = 11
divide both sides by 2
x = 5.5
7 0
3 years ago
The perimeter of a rectangle is 182 ft. The width is two more feet than the length . Find the length and width.
Kamila [148]

Let's call the width w and the length l based on this, we can make two equations based on the first and second sentences in the problem.

w = l + 2

2l + 2w = 182


If we substitute l + 2 for w into the second equation, we can make the following:

2l + 2(l + 2) = 182

  • Substitute

2l + 2l + 4 = 182

  • Use the Distributive Property

4l + 4 = 182

  • Combine like terms

4l = 178

  • Subtract 4 from both sides

l = \dfrac{178}{4} = \dfrac{89}{2}

  • Divide both sides by 4 and simplify

Now, let's find w:

w = l + 2 = \dfrac{89}{2} + 2 = \dfrac{93}{2}


The length of the rectangle is \boxed{\dfrac{89}{2} \,\textrm{ft}} and the width of the rectangle is \boxed{\dfrac{93}{2} \,\textrm{ft}}.

5 0
3 years ago
What figure is a dilation of Figure A by a factor of 2?
stepan [7]

Answer: Bottom Right

Step-by-step explanation:

Since the scale factor is 2 all the lengths of the original should be multiplied by that scale factor. Don’t fall for the top left because 2•4 doesn’t equal 6. The top right is just completely off. The bottom left is if the factor is .5

7 0
3 years ago
What is the graph of the function f(x) = the quantity of x squared plus 4 x minus 12, all over x plus 6?
LenaWriter [7]
X^2 + 4x -12 = (x+6)(x-2)

so 
  (x+6)(x-2)
---------------- = x - 2
     x + 6

f(x) = x -2

answer is B.

because
if x = -6
then y = -6 - 2 = -8

(-6,-8) is the order pair

5 0
3 years ago
A field has 25 trees in it . 14 trees are new and the rest are old . How many trees are old ? Write two different equations that
mamaluj [8]

Answer:

An equation would be 24 - 14 = n. Another one you could write would be 14 + n = 24. The answer is 10 for the amount of old trees.

5 0
2 years ago
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