Answer:
Step-by-step explanation:
Given
Required
This is calculated as:
So, we have:
8 for n
He should divide by 3 because there would be 21 equal pieces total.
Will be the square root of 9 squared plus 12 squared.
that is square root of 81 plus 144.
square root of 225.
answer is 15
Answer:
the answer is 30
Step-by-step explanation:
because it is an equilateral triangle all sides are the same so if you set 3x+15 equal to 7x-5 and solve for x you get 4x=20 and x= 5
when you plug 5 in to each equation you get 30 for both sides and so it proves that the answer is 30
Answer:
28%
Step-by-step explanation:
32-25=7
7/25=0.28
0.28x100=28
28%
