Answer:
Step-by-step explanation:
If AB is a tangent of a circle, then the angle B is right angle. Therefore the triangle ABC is a rigth triangle.
BC and x are the radius of a circle. Therefore BC = x.
Use the Pythagorean theorem:
We have
Substitute:
<em>subtract 6400 from both sides</em>
Answer:
• let's first get the percentage decrease:
• then multiply the percentage decrease with the mass given:
Answer:
5x²- 1.8
Step-by-step explanation:
roots are -3 and 3, put them in brackets
(x - 3)(x + 3)
x² + 3x - 3x - 9
x² - 9
5x = -9
x = -1.8
5x² - 1.8
just to check:
5x² - 1.8
x² - 9
(x - 3)(x - 3)
x = -3 and 3.
378 feet
Its to long to explain but thats the answer
Answer:
0.00114
Step-by-step explanation:
Divide length value by 5280