The disk method will only involve a single integral. I've attached a sketch of the bounded region (in red) and one such disk made by revolving it around the y-axis.
Such a disk has radius x = 1/y and height/thickness ∆y, so that the volume of one such disk is
π (radius) (height) = π (1/y)² ∆y = π/y² ∆y
and the volume of a stack of n such disks is

where
is a point sampled from the interval [1, 5].
As we refine the solid by adding increasingly more, increasingly thinner disks, so that ∆y converges to 0, the sum converges to a definite integral that gives the exact volume V,


Answer:
Step-by-step explanation:
90 by 20%
10%=9
20%=18
90-18=62
Hope u understand
-7/6< -6/7
Aka
-1 1/6< -6/7
Hope this helped
D)A rectangle is always also a parallelogram.
Answer:
Elliot is able to move the table through, since 2 3/4 is more than 2 5/8.
Step-by-step explanation:
2 3/4 - 2 5/8 = 0.125
0.125 is a positive number.
So, Elliot is able to move the table through the doorway.
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