hard · Enhanced ACT Mathematics
In a group of 10 people, each person shakes hands with every other person exactly once.
How many total handshakes occur?
- 45
- 90
- 100
- 55
Sign up free to see the explanation and track your rank →
More Enhanced ACT Mathematics practice
- What is the slope of the line y = x?
- Solve for x in the equation 5(x + 2) = 35.
- Find the slope of the line passing through (0, -2) and (2, 0).
- What is the slope of the line represented by the equation 2x + y = 10?
- What is the slope of the line that passes through the points (2, 4) and (5, 13) in the…
- A large container holds 16 gallons of liquid. If 1 gallon is approximately equal to 3.8…
- Find the y-intercept of the line 3x - 4y = 12.
- A function is defined by f(x) = 3x^2 - 5x + 7. What is the value of f(-2)?
All Mathematics questions · Enhanced ACT study guide · Enhanced ACT glossary · Enhanced ACT flashcards