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Nady [450]
3 years ago
6

Expand: x(2x-5) 2x(3x+4) 6x(x-2y)

Mathematics
1 answer:
MAVERICK [17]3 years ago
8 0
  1. 2x^2-5x
  2. 6x^2+8x
  3. 6x^2-12xy
  • sorry i dont have square syombol so, forthat i have used exp.syombol
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Help stuck on question number 10
Zolol [24]

Answer:

y = 2/3x - 5  or   in standard form 3y = 2x - 5

Step-by-step explanation:

Remember this fact: Parallel lines have the same slope

Step 1   Solve for y  so that the equation is in the slope- intersect form

         2x - 3y = 6

          -3y = -2x + 6  

           -3y/-3  = -2x/-3 + 6/-3

             y = 2/3 x -2        

  now we know the slope is 2/3  or

   when the equation is in Standard form Ax + By = C   you can use this fact:  slope = - A/B    so  the slope = -2/-3 = 2/3

    Remember the   Parallel lines have the same slope

     Find the y-intersect "b"     use the slope = 2/3 and point (6, -1)

      y = mx + b

       -1 = 2/3(6) + b

       -1 = 4 + b

       -5 = b    

Now write the equation of line that is parallel to the given line and passes through  point (6, -1)

y = 2/3x - 5  or  in standard form 3y = 2x - 5

5 0
2 years ago
3 octagons 4 Pentagons 2 trapezoids how many sides are on the shapes altogether
klio [65]

Answer:

52 Sides

Step-by-step explanation:

Octagons have 8 sides so 3 x 8 = 24

Pentagons have 5 sides so 4 x 5 = 20

Trapezoids have 4 sides so 2 x 4 = 8

Add it all up and it equals 52 sides in total

8 0
3 years ago
The profits in hundreds of dollars, p(c), that a company can make from a product is modeled by a function of the price, c, they
Fiesta28 [93]

Answer:

640,000

Step-by-step explanation:

took test

7 0
2 years ago
PLESSS PLESS PLESSSSSSS I BEG OF YOU TEACH ME HOW TO DO THISSSS I BEGG I WILL GIVE BRAINYLIST TO ANYONE WHO ANSWERS PLESS I CRY
motikmotik

Answer:

x=6.54

Step-by-step explanation:

Start off by cross multiplying what you are given ;)

6*109=654

Since you are solving for the missing variable x divide 654/100

The final answer will be 6.54

Hope this helps if not just reply so I can better explain

3 0
2 years ago
=
sashaice [31]

Answer: 68.3

Step-by-step explanation: 8.60x7+8.10=68.3

4 0
2 years ago
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