Answer:
option C
Step-by-step explanation:
(x+4)(x-4) = x^2 - 16
-17 + n/5 = 33
Add 17 to both sides
-17 +n/5 + 17 = 33 + 17
SImplify
n/5 = 50
Multiply 5 to both sides
n/5 * 5 = 50 * 5
n = 250
Answer:
<h2>20 cm.</h2>
Step-by-step explanation:
We know that the permiter is defined as

Where
is the longest side,
is the smallest and
is the middle side.
If
then,
, where we need to find an expression for
using the law of cosines.

Replacing all expression, the perimeter is

Using a calculator, the perimeter is 20 units centimeters.
Answer:
it's potential energy decreases