Math Practice 101
Homework Explained - Math Practice 101

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Grade 8 McGraw Hill Glencoe - Answer Keys


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  Extra Practice  

Solve each equation. Check your solution.

  • Question 15 (request help)

    \(-6\text{f} + 13 = 2\text{f} - 11\)
  • f =    
  • Question 17 (request help)

    \(2\text{z} - 31 = -9\text{z} + 24\)
  • z =    
  • Question 18 (request help)

    Will averages 18 points a game and is the all-time scoring leader on his team with 483 points. Tom averages 21 points a game and is currently second on the all-time scorers list with 462 points. If both players continue to play at the same rate, how many more games will it take until Tom and Will have scored the same number of total points?
  •     games
  • Question 19 (request help)

    Eighteen less than three times a number is twice the number. Define a variable, write an equation, and solve to find the number.
  •    

Reason Abstractly Write an equation to find the value of x so that each pair of polygons has the same perimeter. Then solve.

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