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Vesna [10]
3 years ago
6

-1/4 (x-12)+1/2 (X+2)=4+x

Mathematics
1 answer:
boyakko [2]3 years ago
4 0
-1/4 (x-12)+1/2(x+2)=4+x

Simplify the equation.

-1/4x + 3 + 1/2x + 1 = 4 + x

Add like terms.

(-1/4x+1/2x) + (3+1) = 4 + x

(1/4x) + (4) = 4 + x

Move (x) onto the left side of the equal sign, and move (4) to the right side.

So, you're basically subtracting 4 from both sides, as well as subtracting x from both sides.

1/4x - x = 4 - 4

-3/4x = 0

x = 0

To check our work:

Plug in (0) for (x)

-1/4 (0 - 12) + 1/2 (0+2) = 4+ 0

-1/4 (-12) + 0 + 1 = 4

3+1=4

4=4

So, your answer is x=0

~Hope I helped!~
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Factor completely 12x4 + 6x3 + 18x2.
Semmy [17]

Answer:

B)3x^2 (4*x^2 + 2x + 6)

Step-by-step explanation:

Step 1: Find the Greatest common factor of the given expression.

12x^4 + 6x^3 + 18x^2

The above expression can be written as .

= 2*2*3*x^4 + 2*3*x^3 + 2*3*3*x^2

Here 3x^2 is prime factor


Step 2: Let's take out the 3x^{2} and write the remaining terms in the parenthesis.

= 3x^2 (2*2*x^2 + 2x + 2*3)

= 3x^2 (4x^2 + 2x + 6)

Therefore, the answer is B)3x^2 (4*x^2 + 2x + 6)

Thank you.

8 0
4 years ago
Why is the answer A?
Marina86 [1]

Answer:

B) 2 frozen dinners and 2 dozen jelly doughnuts

Step-by-step explanation:

Calculate the total utility for each option.

A) 46

B) 32 + 21 = 53

C) 16 + 30 = 46

D) 28

Option B has the highest total utility.

4 0
4 years ago
Answer... please i need
FrozenT [24]

Answer:9/6 or simplified 1 1/2

Step-by-step explanation:

7 0
1 year ago
Read 2 more answers
Consider this equation: {x-9 - 2x+2 = 1 Which is an equivalent equation after combining like terms? 8 X-11=1 3 -= -4 X-71 3 8 -7
grandymaker [24]

Answer:

  • B. -4/3x - 7 = 1

Step-by-step explanation:

  • 2/3x - 9 - 2x + 2 = 1
  • 2/3x - 2x - 7 = 1
  • 2/3x - 6/3x - 7 = 1
  • -4/3x - 7 = 1

Correct option is B

8 0
3 years ago
The table shows the price for different numbers of board games:
zlopas [31]

Answer:

We conclude that the price is 3.5 times the number of board games.

Hence, option B is true.

Step-by-step explanation:

We know that when y varies directly with x, the equation is

y ∝ x

y = kx

k = y/x

where 'k' is called the proportionality constant.

From the table,

For the point (2, 7)

k = y/x

  = 7/2

  = 3.5

For the point (4, 14)

k = y/x

   = 14 / 4

   = 7/2

    = 3.5

For the point (5, 17.50)

k  = y/x

   = 17.5 / 5

   = 3.5

For the point (9, 31.50)

k  = y/x

   = 31.50 / 9

   = 3.5

From the above calculations, we computed that the value of the proportionality constant remains the same.

Thus, the table of numbers represents a proportional relationship.

Therefore, the equation becomes

y = kx

The price of 2 board game

y = 3.5 (2)

  = 7

The price of 4 board game

y = 3.5 (4)

  = 14

Therefore, we conclude that the price is 3.5 times the number of board games.

Hence, option B is true.

6 0
3 years ago
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