Homework Explained - Math Practice 101

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Grade 6 McGraw Hill Glencoe - Answer Keys
Chapter 8:Functions and Inequalities;Lesson 5:Inequalities


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Determine which number is a solution of the inequality.

Is the given value a solution of the inequality?

  • Question 5 (request help)

    The table shows the number of different types of roller coasters in the United States. An amusement park wants to build a new roller coaster. They will only build a roller coaster if there are less than 10 of that type in the United States. Use the inequality r < 10, where r is the number of a certain type of roller coaster, to  determine which type(s) can be built.

  • Question 6 (request help)

    The table shows the number of different types of movies in Laves collection. He wants to buy a new movie to add to his collection. He only wants to buy a movie  if he already has more than 15 movies of that type. Use the inequality m > 15, where m is the number of the type of movie, to determine which type(s) he can buy.

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  • Question 7 (request help)

    The number of text messages Lelah sent each month is shown in the table. She can send no more than 55 messages each month without being charged. Use the  inequality t ≤ 55, where t is the number of text messages in a month, to determine in which months she exceeded her limit. If each additional text costs $0.25, how much was Lelah charged from January to April?

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