Answer:
x = ±10
Step-by-step explanation:
4x² - 400 = 0
Add 400 to both sides
4x² = 400
Divide both sides by 4
x² = 100
Take the square root of both sides
x = ±10
Answer:
7/10 x 3/6 = 21/60
21/60 in its simpliest form = 7/20
Answer:
8.20
Step-by-step explanation:
use your brain next time its realy easy or pay attantion to class
Answer:according to the formula of inscribed angle theorem






The answer is 15 degrees
Hi there!

We can begin by making each fraction have a common denominator:
If we make each have a common denominator of ab, we get:

Simplify:

Multiply both sides by ab:

Move b to the opposite side:

Factor out b:

Divide by (ac - 1):
