Answer:
20
Step-by-step explanation:
1/2(a+b)=180
1/2(6+12)=18
1/2(18)=180
9/9=180/9
=20
Rewrite the fractions to have a common denominator to find the difference:
2/3 = 4/6
Difference = 4/6-5/6 = -1/6
Sequence formula = an = a1 + d(n-1)
A1 is the first term 5/6
And d = -1/6
Sequence = 5/6 -1/6(n-1)
Simplify to get an =(-n +6)/6
Capital of Idaho is boise this is not a math question
Answer:
2197 cubic centimeters
Step-by-step explanation:
13^3=2197
X+12=20 is 8.
x-9=17 and 2x=16 both have the same solution.
The answer should be X+12=20.