Homework Explained - Math Practice 101

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Grade 7 HMH Go Math - Answer Keys


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In 11–16, solve each inequality. Graph and check the solution.

  • Question 17 (request help)

    The vet says that Lena’s puppy will grow to be at most 28 inches tall. Lena’s puppy is currently 1 foot tall. How many more inches will the puppy grow?

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  • Question 18 (request help)

    In a litter of 7 kittens, each kitten weighs less than 3.5 ounces. Find all the possible values of the combined weights of the kittens.

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  • Question 19 (request help)

    Geometry

    The sides of the hexagon shown are equal in length. The perimeter of the hexagon is at most 42 inches. Find the possible side lengths of the hexagon.

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  • Question 20 (request help)

    To get a free meal at his favorite restaurant, Tom needs to spend $50 or more at the restaurant. He has already spent $30.25. How much more does Tom need to spend to get his free meal?

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  • Question 21 (request help)

    To cover a rectangular region of her yard, Penny needs at least 170.5 square feet of sod. The length of the region is 15.5 feet. What are the possible widths of the region?

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  • Question 22 (request help)

    Draw Conclusions

    A submarine descends from sea level to the entrance of an underwater cave. The elevation of the entrance is -120 feet. The rate of change in the submarine’s elevation is no greater than -12 feet per second. Can the submarine reach the entrance to the cave in less than 10 seconds? Explain.

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