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Open Up - Grade 7 - Mathematics - Unit 7 - Lesson 5

Last updated 9 months ago
9 questions
1

Segments AB, DC, and EC intersect at point C. Angle DCE measures 148o. Find the value of x.

1

Line l is perpendicular to line m. Find the value of x.

1

Line l is perpendicular to line m. Find the value of w.

1

If you knew that two angles were complementary and were given the measure of one of those angles,

would you be able to find the measure of the other angle?

1

For each inequality, decide whether the solution is represented by x < 4.5 or x > 4.5.

  • -24 > -6(x - 0.5)
  • -8x + 6 > -30
  • -2(x + 3.2) < -15.4
  • x > 4.5
  • x < 4.5
1

A runner ran \frac{2}{3} of a 5 kilometer race in 21 minutes. They ran the entire race at a constant speed.

How long did it take to run the entire race?

1

A runner ran \frac{2}{3} of a 5 kilometer race in 21 minutes. They ran the entire race at a constant speed.

How many minutes did it take to run 1 kilometer?

1

Jada, Elena, and Lin walked a total of 37 miles last week. Jada walked 4 more miles than Elena, and Lin walked 2 more miles than Jada. The diagram represents this situation:
Find the number of miles that they each walked.

1

Select all the expressions that are equivalent to -36x + 54y - 90.

"Source: Open Up Resouces (Download for free at openupresources.org.)"