Answer:
16 pi cubic units
Step-by-step explanation:
Given that a region is bounded by

And the region is rotated about x axis.
We can find that here radius would be y value and height would be dx
So volume would be as follows:
If f(x) is rotated about x axis volume
= 
cubic units.
Hope this will help..........
Answer:
She can buy 5 rolls of crepe paper with 2ft of paper left.
Step-by-step explanation:
If you multiply 12ft by 4 sides you will get 48ft so then 5 rolls of paper that is 10ft equals 50ft so you will have more than enough paper
Answer:
The area of the triangle is 40cm^2
Step-by-step explanation:
Calculate the area of a triangle using the equation: 1/2hb
Look at the attached picture and the equation should make sense.
You can use 8cm and 10cm.
8*10 = 80
1/2(80) = 40
So, the area of the triangle is 40cm^2
Answer:
12 cm
Step-by-step explanation:
20² = length² + 16²
length² = 400 - 256 = 144
length = 12
Check
20² - 16² = 12
Hopefully I'm right!!