The First One
The Third One
The Forth One
The others result in a lower number than what they are supposed to be. The 3 correct ones end with the exact number of the equations solution number.
You distribute the negative in the second equation
Answer:
i think its 12 :)
Step-by-step explanation:
20 + 48 = 68
180 - 68 = 112
20 + 48 + 112 = 18 (a full triangle!)
Answer:
Step-by-step explanation:
Parallel slope = -8
Perpendicular slope = 1/8
Total number of campers = 20
Total number of teams = 5
⇒ Number of campers in each team = Total number of campers ÷ Total number of teams
⇒ Number of campers in each team = 20 ÷ 5
⇒ Number of campers in each team = 4
Number of recorders in each team = 1
⇒ Number of searchers in each team = Number of campers in each team - Number of recorders in each team
⇒ Number of searchers in each team = 4 - 1
⇒ Number of searchers in each team = 3
Hence, there will be 3 searchers in each team
