Answer:
91
Step-by-step explanation:
There are 13 scores in total,the Middle score is the median score.
Answer:
8.5
Step-by-step explanation:
10x+2=9x(3)
10x+2=27x
2=17x
x=8.5
Answer:4.265
Step-by-step explanation:
Can it be decimal?
Answer:
x = 30
Step-by-step explanation:
The interior angles of a triangle must always add up to 180.
2x + 2x + 3x - 30 = 180
Add 30 to both sides to seperate variables.
2x + 2x + 3x = 210
Combine like terms.
7x = 210
Divide by 7 to isolate x.
x = 30
Answer:
21x + 12
Step-by-step explanation:
correct me of i am wrong