Math Practice 101
Homework Explained - Math Practice 101

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Grade 7 HMH Go Math - Answer Keys


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  • Question 1 (request help)

    Which graph models the solution of the inequality \(-6 \le -3\text{x}\)?

  • Question 2 (request help)

    A taxi cab costs $1.75 for the first mile and $0.75 for each additional mile. You have $20 to spend on your ride. Which inequality could be solved to find how many miles you can travel, if n is the number of additional miles?
    • \(1.75\text{n} + 0.75 \ge 20\)
    • \(1.75\text{n} + 0.75 \le 20\)
    • \(0.75\text{n} + 1.75 \ge 20\)
    • \(0.75\text{n} + 1.75 \le 20\)
  • Question 3 (request help)

    The inequality \(\frac{9}{5}\text{C} + 32 \lt -40\) can be used to find Celsius temperatures that are less than -40° Fahrenheit. What is the solution of the inequality?
    • \(\text{C} \lt 40\)
    • \(\text{C} \lt -\frac{40}{9}\)
    • \(\text{C} \lt -40\)
    • \(\text{C} \lt -\frac{72}{5}\)
  • Question 4 (request help)

    The 30 members of a choir are trying to raise at least $1,500 to cover travel costs to a singing camp. They have already raised $600. Which inequality could you solve to find the average amounts each member can raise that will at least meet the goal?
    • \(30\text{x} + 600 \gt 1,500\)
    • \(30\text{x} + 600 \ge 1,500\)
    • \(30\text{x} + 600 \lt 1,500\)
    • \(30\text{x} + 600 \le 1,500\)
  • Question 5 (request help)

    Which represents the solution for the inequality \(3\text{x} - 7 \gt 5\)?
    • \(\text{x} \lt 4\)
    • \(\text{x} \le 4\)
    • \(\text{x} \gt 4\)
    • \(\text{x} \ge 4\)
  • Question 6 (request help)

    Which inequality has the following graphed solution?
    • \(3x+8\le2\)
    • \(4x+12<4\)
    • \(2x+5\le1\)
    • \(3x+6<3\)
  • Question 8 (request help)

    Eleni bought 2 pounds of grapes at a cost of $3.49 per pound. She paid with a $10 bill. How much change did she get back?
    • $3.02
    • $4.51
    • $6.51
    • $6.98
  • Question 9 (request help)

    In golf, the lower your score, the better. Negative scores are best of all. Teri scored +1 on each of the first three holes at a nine-hole miniature golf course. Her goal is a total score of -9 or better after she has completed the final six holes.

    a. Let h represent the score Teri must average on each of the last six holes in order to meet her goal. Write a twostep inequality you can solve to find h.
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