Answer:
x = 12
Step-by-step explanation:
First you can ignore the squared part for a moment and do
30 - 18 which equals 12
so... x = 12
Answer:
the answer is B
Step-by-step explanation:
The nth equation is 3780 - 39n
Answer: 12.65
Step-by-step explanation:
Ive never solved a problem like this, but this is how I would solve it. You first want to find the height of the triangle by using the Pythagorean theorem. Solve for the height by using the left triangle.
b is the height, the dotted line, of both triangles. Now do the Pythagorean theorem on the right triangle to find the value of x