Answer:
1
Step-by-step explanation:
2(5)/3^2 + 1 =
10/9 + 1
10/10 =
1
Answer: ○| ̄|_ =3
the answer would be 2, because the 30 is increased from the 3 by times 10 so it would be the same for the 20, 20/10=2
Step-by-step explanation: mr clean
Answer:
Step-by-step explanation:
P ( )
Exponent
Mutilpy
Divide
Add
Subtract
Answer:

Step-by-step explanation:
we know that
Heron's Formula is a method for calculating the area of a triangle when you know the lengths of all three sides.
so

where
a, b and c are the length sides of triangle
s is the semi-perimeter of triangle
we have

Find the semi-perimeter s

Find the area of triangle



Simplify

Answer:
10
Step-by-step explanation: