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Greeley [361]
3 years ago
14

Please help me I don’t understand anything about this

Mathematics
2 answers:
Sonja [21]3 years ago
5 0

Answer:

2x/x+7

Step-by-step explanation:

1. combine them together getting

   2x^2-6x/x^2+4x-21

2. factor the top and bottom

  2x(x-3) / (x-3)(x+7)

3. then cancel out the x-3

Alik [6]3 years ago
3 0

Answer:

B

Step-by-step explanation:

It can be crossed if sides are same in multiply, as shown in the answer

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Solve the inequality
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Answer:

The answer to your question is the letter A) x ≥ 0.5

Step-by-step explanation:

Inequality

                           2(4x - 3) ≥ -3(3x) + 5x

Process

1.- Expand

                            8x - 6 ≥  - 9x + 5x

2.- Simplify

                            8x - 6 ≥ - 4x

3.- Add 6 units in both sides

                           8x - 6 + 6 ≥ -4x + 6

4.- Simplify

                                8x ≥ -4x + 6

5.- Add 4x in both sides

                                8x + 4x ≥ -4x + 6 + 4x

6.- Simplify

                                12x ≥ 6

7.- Divide by 12 both sides

                                12x/12 ≥ 6/12

8.- Simplify

                                    x ≥ 1/2  or 0.5

8 0
4 years ago
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Solve 7(3-x)<5x-15 for x
stepan [7]

7(3 - x) < 5x - 15

  • Distribute 7 inside the parentheses.

21 - 7x < 5x - 15

  • Subtract 21 from both sides.

-7x < 5x - 36

  • Subtract 5x from both sides.

-12x < -36

  • Divide both sides by -12. The equality sign will get flipped because you are dividing by a negative.

x > 3

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3 years ago
Help 1/3 divided by 4
Alexandra [31]

Answer:

1/12

Step-by-step explanation:

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3 years ago
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Flura [38]
<span>Jupiter is not as luminous as the sun. However, considering the fact that Jupiter is one of the largest gaseous planets in the solar system, and that it is relatively close to the earth compared to the Pluto, it is still visible in the night sky.</span>
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4 years ago
At the market, 8 apples cost $4.How much do 9 apples cost?
lesya692 [45]

Answer:

$4.50

Step-by-step explanation:

We must find the unit rate.

Unit rate equals: 1 apple for 50 cents.

.5 multiplied by 9 is 4.5

8 0
3 years ago
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