Answer:
Step-by-step explanation:
Total Surface Area of Cylinder =
Note: Do not get tricked by the 24cm (taking 24cm as the radius), that is the diameter.
To find r, radius =
=
= 12cm
Now we know r = 12cm, h = 18cm
Now we substitute r and h into the formula to find the total surface area.
Total Surface Area of Cylinder =
Answer:
1. (5 * 6) + 10 / 8 = 8
4. (18 / 2) + 14 (-8^3) - 25 = 200
Step-by-step explanation:
1. parentheses between 5 and 6
4. -8 cubed
Answer:
x=10 and x=-6
Step-by-step explanation:
f(x)=(x-2)²-64 (Given)
0=(x-2)²-64 (Set equation equal to 0)
64=(x-2)² (Add 64 to both sides)
±8=x-2 (Take the square root of both sides)
Because there are two possible roots, make 2 equations to find both:
8=x-2 and -8=x-2
10=x and -6=x
Answer:
Step-by-step explanation:
Point (8, 11); Slope =-1/4
y - y₁ = m(x - x₁)
y - 11 = (-1/4 ) (x - 8)
4 * (y -11) = -1 * (x -8)
4y - 44 = -x + 8
x - 8 + 4y - 44 = 0
x + 4y -52 = 0