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Laabri

Open Up - Grade 7 - Mathematics - Unit 6 - Lesson 20

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Last updated 4 months ago
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"Source: Open Up Resouces (Download for free at openupresources.org.)"

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1.

Andre says that 10x + 6 and 5x + 11 are equivalent because they both equal 16 when is 1.

Do you agree with Andre?

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2.

Select all expressions that can be subtracted from 9x to result in the expression 3x + 5.

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3.

Select all the statements that are true for any value of x.

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4.
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5.

For each situation, would you describe it with x < 25, x> 25 , x\ge 25 , or x\le25 ?

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d

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x\ge25

a

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x < 25

b

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x\le25

c

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x > 25

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6.

Consider the problem: A water bucket is being filled with water from a water faucet at a constant rate. 

When will the bucket be full?

What information would you need to be able to solve the problem?