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IM: 7.5.6: Subtracting Rational Numbers (Practice)

Last updated over 1 year ago

11 Nsɛmmisa

1

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3.

What is the difference in height between 30 m up a cliff and 87 m up a cliff? What is the distance between these positions?

1

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4.

What is the difference in height between an albatross flying at 100 m above the surface of the ocean and a shark swimming 30 m below the surface? What is the distance between them if the shark is right below the albatross?

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1

1

Write a sentence to answer each question:

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1.

How much warmer is 82 than 40?

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2.

How much warmer is 82 than -40?

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5.

A company produces screens of different sizes. Based on the table, could there be a relationship between the number of pixels and the area of the screen? If so, write an equation representing the relationship. If not, explain your reasoning.

Find each difference.

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6.

(-5)-6

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7.

35-(-8)

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8.

\frac{2}{5}-\frac{3}{5}

1

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9.

-4\frac{3}{8}-(-1\frac{1}{4})

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10.

A family goes to a restaurant. When the bill comes, this is printed at the bottom of it:
How much was the price of the meal? Explain your reasoning.

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11.

Which is a scaled copy of Polygon A? Identify a pair of corresponding sides and a pair of corresponding angles. Compare the areas of the scaled copies.