Homework Explained - Math Practice 101

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Grade 7 HMH Go Math - Answer Keys


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7.1 Writing and Solving One-Step Inequalities

Solve each inequality.

  • Question 7 (request help)

    Jose has scored 562 points on his math tests so far this semester. To get an A for the semester, he must score at least 650 points. Write and solve an inequality to find the minimum number of points he must score on the remaining tests in order to get an A.

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7.2 Writing Two-Step Inequalities

  • Question 8 (request help)

    During a scuba dive, Lainey descended to a point 20 feet below the ocean surface. She continued her descent at a rate of 20 feet per minute. Write an inequality you could solve to find the number of minutes she can continue to descend if she does not want to reach a point more than 100 feet below the ocean surface.

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7.3 Solving Two-Step Inequalities

Solve.

  • Question 10 (request help)

    \(-\frac{\text{d}}{12} - 6 \lt 1\)

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  • Question 12 (request help)

    \(\frac{\text{z}}{4} + 22 \le 38\)

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  • Question 13 (request help)

    \(\frac{\text{b}}{9} - 34 \lt -36\)

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  Essential Question  

  • Question 15 (request help)

    How can you recognize whether a real-world situation should be represented by an equation or an inequality?

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