First we need to calculate how many years her brother has when she is 18. As text says he is:
18/3 = 6 years old
Now when she gains another 18 years (36-18=18) he will also gain those 18 years
When she is 36 he will have 6+18=24 years old
Answer is 24.
145 divided by 7 =20.71
a little sketch on my answer <span />
It has two pairs of same angles: that means that the opposite sides are parallel: this makes it a parallelogram.
Answer:
Step-by-step explanation:
Hi!
So, a radical is basically a fractional power.
Square roots are numbers to the 1/2.
For example, the square root of 4 is just , or 2.
So for cube root, the 1/2 changes to a 1/3.
This can then be rewritten as
or