Graphing it out yields the radius of the cylinder is 5 inches.
9514 1404 393
Answer:
64.1 ft²
Step-by-step explanation:
The area of the cone is given by ...
A = πr(r +h) . . . . for radius r and slant height h
A = π(2 ft)(2 ft +8.2 ft) ≈ 64.1 ft²
y = 2x - 3
(-1, 1)
-1 = x
1 = y
plug these into your equation.
1 = 2(-1) - 3.
Simplify the right side of the equation
1 = -5.
1 does not equal -5, therefore, your equation does not go through those points.
Your answer should be False
Answer:
x = 9
Step-by-step explanation:
for any two intersecting chords, the product of their section lengths will be identical.
20(2x + 3) = 14(3x + 3)
40x + 60 = 42x = 42
18 = 2x
x = 9
Writing and solving an equation of ratios is the way to go here. See if you can figure out why the following is correct:
x+3 x
----- = -------
12 x+3
Then (x+3)^2 = 12x, and x^2 + 6x + 9 = 12x, so that x^2 - 6x + 9 = 0
This is the square of (x - 3). Thus, x-3 = 0, and x = 3.
The value of x is 3.