Math Practice 101
Homework Explained - Math Practice 101

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Grade 7 HMH Go Math - Answer Keys


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  Independent Practice  

The table shows the elevation in feet at the peaks of several mountains. Use the table for 7–9.

  • Question 7 (request help)

    Mt. Everest is 8,707.37 feet higher than Mt. McKinley. What is the elevation of Mt. Everest?
  •     feet
  • Question 8 (request help)

    Liam descended from the summit of K2 to an elevation of 23,201.06 feet. How many feet did Liam descend? What was his change in elevation?
  •     feet
  • Question 9 (request help)

    K2 is 11,194.21 feet higher than Mt. Kenya. Write and solve an equation to find the elevation of Mt. Kenya.
  •     feet
  • Question 10 (request help)

    A hot air balloon begins its descent at a rate of \(22\frac{1}{2}\) feet per minute. How long will it take for the balloon's elevation to change by -315 feet?
  •    minutes
  • Question 11 (request help)

    During another part of its flight, the balloon in Exercise 10 had a change in elevation of -901 feet in 34 minutes. What was its rate of descent?
  • feet per minute

The table shows the average temperatures in several states from January through March. Use the table for 12–14.

  • Question 12 (request help)

    Write and solve an equation to find how much warmer Montana's average 3-month temperature is than Minnesota's.
  •     °C
  • Question 13 (request help)

    How much warmer is Florida's average 3-month temperature than Montana's?
  •     °C
  • Question 14 (request help)

    How would the average temperature in Texas have to change to match the average temperature in Florida?
  •     °C
  • Question 15 (request help)

    A football team has a net yardage of \(-26\frac{1}{3}\) yards on a series of plays. The team needs a net yardage of 10 yards to get a first down. How many yards do they have to get on their next play to get a first down?
  • yards

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