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icang [17]
3 years ago
8

Allie needs at least 50 hours of community service for social studies class. She already has 20. How many more hours does she ne

ed? Write an inequality to model this situation.
Mathematics
2 answers:
zaharov [31]3 years ago
8 0

Answer:

B) x + 20 ≥ 50

Step-by-step explanation:


Hunter-Best [27]3 years ago
3 0
50 hours of community service
already has 20

20 + x = 50
      (30)


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Blababa [14]

Answer:

<em></em>11x - 4 + 2x<em> and </em>13x - 4<em></em>

<em></em>

Step-by-step explanation:

Given

Options A to D

Required

Determine the equivalent pair

To do this, we solve each options one after the other.

(a):\

4x - 12 and 3(x - 3)

Open bracket

4x - 12 and 3 * x - 3 * 3

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(b):\

2(x + 3) + 1 and 2x + 6

Open bracket

2x + 2*3 + 1 and 2x + 6

2x + 6 + 1 and 2x + 6

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<em>The above pairs are not equivalent</em>

<em></em>

<em></em>(c):<em></em>

<em></em>11x - 4 + 2x<em> and </em>13x - 4<em></em>

Collect Like Terms

11x + 2x - 4 and 13 - x

13x - 4 and 13 - x

<em>The above pairs are equivalent</em>

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Step-by-step explanation:

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Step-by-step explanation:

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