Answer:
x=70
Step-by-step explanation:
sum is angles of a Pentagon=540°
x°+138°+2x°+80°+112°=540°
3x°+330°=540°
3x°=540°-330°
3x°=210°
3x°/3°=210°/3°
x=70
hope this is helpful
Answer:
4 - (3 - 5) = <em>6.</em>
Step-by-step explanation:
Answer:
Step-by-step explanation:
4x = 20- x
4x + x = 20
5x = 20
Well, if you divide 162 by 18 you get 9 so,
The answer is 9
Answer:
Unit rate
Step-by-step explanation:
A unit rate describes how many units of the first type of quantity corresponds to one unit of the second type of quantity. Some common unit rates are miles (or kilometers) per hour, cost per item, earnings per week, etc.