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Ne4ueva [31]
2 years ago
7

What are appropriate ways of write "6 times x"?

Mathematics
2 answers:
Nana76 [90]2 years ago
7 0
Huh what do you mean??
algol [13]2 years ago
4 0

Answer:

6x or 6(x)

Step-by-step explanation:

6 bracket (x) is a form of saying multiplication

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Factor the expression below.<br> 4x2 - 1
Mila [183]

Answer:

(2x-1)(2x+1)

Step-by-step explanation:

the answer is c

4 0
3 years ago
-2x-9y=-25 -4x-9y=-23 system with elimination
REY [17]
Multiply the first equation by -2. It turns into 4x+18y=50 and the other one stays -4x-9y=-23. Then you "eliminate" the equations by "adding" them. Set it up like this: 
4x+18y=50
      +
-4x-9y=-23
4x-4x= 0. 18y-9y= 9y and 50-23= 27
SO: 9y= 27 and y= 3
And then you plug that in to one equation: 4x +18(3)= 50. 4x= 50-(18*3)
4x= -4, so x=-1.
Plug it back in to check! 
Hope this helps. Happy solving! :)
4 0
2 years ago
Read 2 more answers
2hours to 1day as a ratio in its simplest form​
Murrr4er [49]

Answer:

Step-by-step explanation:

convert 1 day into hours

1 day=24 hour

2/24

=1/12

3 0
3 years ago
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Which system of equations is represented by the graph?
REY [17]

Answer:

-6

Step-by-step explanation:

is it

5 0
3 years ago
X2 - 12x -6=0<br> Complete the square
ValentinkaMS [17]

Answer:

(x - 6)^2 = 42

Step-by-step explanation:

Using " ^ " to indicate exponentiation, we have:

x^2 - 12x -6=0

Here the coefficients of this quadratic equation are a = 1, b = -12 and c = -6.

Start by taking HALF of the coefficient of x, that is, HALF of -12.  We get -6.

Next, square this result:  (-6)^2 = 36.

Finally, add this 36 to both sides, obtaining:

x^2 - 12x + 36 - 6 = 36

Rewriting the first three terms, we get:

(x - 6)^2 - 6 = 36, or

(x - 6)^2 = 42   This is the end result to "completing the square."

If you want to go further and actually solve for x, then see below:

Taking the square root of both sides, we get

x - 6 = ±√42

Then x = 6 ± √42, or

x = 6 + √42 and

x = 6 - √42

8 0
3 years ago
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