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xenn [34]
3 years ago
6

2x - 8 = 6help please ​

Mathematics
2 answers:
Snowcat [4.5K]3 years ago
8 0

Answer:

2x  -8  =6

     

add 8 to -8 and 6.

the 8s cancel each other out and 6 +8 =14.

next you are going to divide 2x diveded by 2 and 14 by 2. the twos cancel out so its just x and then 14/2 is 7.

the answer is 7. hope this helps dude.

sineoko [7]3 years ago
7 0

Answer:

7

Step-by-step explanation:

Move the -8 to the other side and use the rule change side change sign:

2x=6+8

2x=14

Move the 2 and convert the multiplication(as its 2×x ) into division:

x= 14÷2

x=7

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yan [13]

Answer:

Slope of the line PQ is -63.434948.

Step-by-step explanation:

Given that,

The point P(8,-3) lies on the curve y=\frac{3}{7-x}.

If Q is the point lies on (x,\frac{3}{7-x} ).

To find:- Find the slope of line PQ.

So,  

The coordinates of point Q when it lies on (x,\frac{3}{7-x} )

        if x=1 then y= \frac{3}{7-1} =\frac{3}{6} =\frac{1}{2}

       So,   Q ≡ (1,\frac{1}{2} ) and many points can be calculated by given Equation.

Using the formula when two points (x_{1} ,y_{1} ) \& (x_{2}, y_{2}  ).

                Slope=Tan\theta = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

Then, substituting the coordinates we get,

             Slope = \frac{1-8}{\frac{1}{2}-(-3) }

             Slope = \frac{-7}{\frac{1}{2}+3 } = \frac{-7}{\frac{7}{2} }

             Slope = \frac{-14}{7}=-2

              tan\theta=-2   ⇒  \theta = tan^{-1} (-2)

               \theta= -63.434948

Therefore,

Slope of the line mPQ is -63.434948.

                     

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