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Thepotemich [5.8K]
2 years ago
8

Completely simplify the rational expression 6-(x-1)/(x+1)

Mathematics
1 answer:
Angelina_Jolie [31]2 years ago
6 0

Answer:

-x + 7 / x + 1

Step-by-step explanation:

6 -(x - 1)/ x + 1

Apply distributive law: -(x - 1) = -x + 1

= 6 - x + 1 / x +1

Group like terms:

= -x + 7/ x + 1

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elixir [45]

Answer:

x  =  − 3 ,  y = − 5

Step-by-step explanation:

6 0
4 years ago
−3x(−4x+x)−x(−x−2x)−4x(4x+3x)
777dan777 [17]

Answer:

- 3x( - 4x + x) - x( - x - 2x) - 4x(4x + 3x) \\  \\    = 12 {x}^{2}  - 3 {x}^{2}  +  {x}^{2}  + 2 {x}^{2}  - 16 {x}^{2}  - 12 {x}^{2}  \\  \\  =  - 16{x}^{2}

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2 years ago
How many 3-digit numbers exist, whose digits are distinct even numbers.
skad [1K]

Answer:

328

Step-by-step explanation:

If z is 0, then x has 9 choices. Therefore, z and x can be chosen in (1 × 9) + (4 × 8) = 41 ways. For each of these ways, y can be chosen in 8 ways. Hence, the desired number is 41 × 8 = 328 numbers 3-digit even numbers exist with no repetitions.

7 0
4 years ago
Read 2 more answers
12) A new amusement park decides to offer its visitors a choice between two plans. With Plan 1 they pay $6 to enter
astraxan [27]

9514 1404 393

Answer:

  • 3 rides
  • $16.50

Step-by-step explanation:

The plan 1 cost for x rides will be ...

  y = 6 + 3.50x

The plan 2 cost for x rides will be ...

  y = 12 + 1.50x

These costs will be equal when ...

  y = y

  6 + 3.50x = 12 + 1.50x . . . . . substitute for y

  2.00x = 6 . . . . . . . . . . . . . subtract 6+1.50x

  x = 3 . . . . . . . . . . . . . . . divide by 2

For 3 rides, the cost will be the same.

__

For 3 rides the cost is ...

  y = 6 + 3.50(3) = 6 + 10.50 = 16.50

The cost for 3 rides will be $16.50 for either plan.

7 0
3 years ago
I need help with this finding x problem please show work
zubka84 [21]

Answer:

The model represents the equation

-3x + 6 = 4x -8

Start by subtracting 6 from both sides.

-3x + 6 (-6) = 4x - 8 (-6)

-3x = 4x - 14

Subtract 4x from both sides

-3x - 4x = 4x - 4x - 14

-7x = -14

x = -14/-7

x = 2

4 0
3 years ago
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