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Nimfa-mama [501]
3 years ago
14

3( x - 6) = 2x - x + 12 - 6 , what is X PLS HELPPPPPP

Mathematics
1 answer:
Svetach [21]3 years ago
7 0

Answer:

x=12

Step-by-step explanation:

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Which algebraic expression is represented by the model?
DerKrebs [107]

Answer:

3(2x+2) = 6x + 6

Step-by-step explanation:

Those are algebra tiles, so it is saying (if you read across the top) 2x +2 then if you read down you have 3 units, so the dot means 2x + 2 multiplied by 3

If you write it in algebraic terms it is 3(2x+2) so the answer when you distribute is 3 (2x) + 3(2) so 6x + 6, and if you count the number of red rectangles you have 6 of them, hence the 6x, and if you cound the units in gray you have 6 of them, hence the 6.

Algebra tiles are used to demonstrate algebra concepts

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3 years ago
Can someone help me with my homework please?
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Multiplying x^2 by 5 stretches the graph vertically by a factor of 5.  Try graphing both x^2 and 5x^2 and see for yourself that this is correct.
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3 years ago
[100 POINTS] What is the measure of the arc from A to B that does not pass through C?
prohojiy [21]

Answer:

the answer to the questions is 140

5 0
1 year ago
Read 2 more answers
every story gets an additional 10% off the already discounted price. if an employee buys an item with an original price of $40,
ANTONII [103]
36.
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5 0
3 years ago
Use the discriminant to describe the roots of each equation. Then select the best description. x2 - 5x + 7 = 0
miv72 [106K]
The general form of a quadratic (second degree) equation is 

a x^{2} +bx+c=0, where

D= b^{2}-4ac is called the Discriminant.


The Discriminant determines how many roots the equation will have as follows:

i)  if D>0, the equation has 2 roots.
ii) if D=0, the equation has 1 double root.
iii) if D<0, the equation has no roots.


In our equation, x^{2} -5x+7=0, a=1, b=-5, c=7

so the discriminant is D=(-5)^2-4*1*7=25-28<0


Thus the equation has no roots.


Remark: the equation has no roots in the Real numbers, but it has 2 roots in a larger set of numbers to be discussed in the future, the Complex numbers.
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3 years ago
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