Answer:Answer:
the added person age is 26
Step-by-step explanation:
let the added person age is A
the six person mean is (23+19+12+21+13+A)/6=19
=> 88+A/6=19
=>A=(19×6)-88
there fore A=26
Answer:
I believe the answer is 3
Answer:
i might be wrong but 8 if not (2,8) if not sorry
Step-by-step explanation:
Answer:
50°, 130°
Step-by-step explanation:
All measures are in degrees. Let x represent "one angle". Then the other is (180-x) and we can write the relation ...
3x = 20 +(180 -x)
4x = 200 . . . . . . . add x, collect terms
x = 50 . . . . . . . . . . one angle
180 -50 = 130 . . . .the other angle
The measures of each angle are 50° and 130°.
Their greatest common factor is 1.
In fact, it's their ONLY common factor.
