Answer:
The unknown angle is 80
Step-by-step explanation:
The sum of the angles of a triangle add to 180 degrees
Let the unknown angle be x
20+80+x = 180
Add like terms
100+x = 180
Subtract 100 from each side
100-100+x=180-100
x = 80
If Mike has half as many games as Paul, then multiply 6 * 2 to get the number of games that Paul has.
6 * 2 = 12
Paul has 12 games.
Answer:
42
Step-by-step explanation:
The 3 part of the ratio relates to 18
Divide by 3 to find the value of one part of the ratio.
18 ÷ 3 = 6 ← value of 1 part of the ratio , then
7 parts = 7 × 6 = 42 ← the greater number
Answer:
√10/2
Step-by-step explanation:
5/√10
Rationalizing the surd involves multiplying the numerator and denominator by the surd.
5/√10 * √10/√10
5√10/10
√10/2