Answer:
12
Step-by-step explanation:
x will be the age of her younger brother
34 = 2x + 10
She is ten more than twice his age
- 10 - 10
Then she twice his age
24 = 2x
÷2 ÷2
So his age is 12
x = 12
well i dont really get ehat yours saying but the qustions are
3x+y=5
3^1+1=5
and then
4z+2y=20
i think
4^6+2^6=20
i dont understand...the meaning?
In the attachement, there is what I came up with so far. I think that finding 'a' is non-trivial, if possible at all.
- the area of a circle
- the area of a circular segment