Answer:
320π cm^3
Step-by-step explanation:
V=1/3 π r² h
V=1/3 × π x 8² x 15
V=1/3 × π x 64 x 15
V=320π cm³
About 492 feet per minute
9 • 54.68066 = 492.126
Rounding to the nearest whole number gets you 492
Answer:
2/9 is the simplified fraction (14/63 = 2/9)
Answer:

Step-by-step explanation:
We are give the following in the question:

We have to find the ration of the length of XY to the length XZ.
This, can be done as:

Thus, the ration XY:XZ is 5:14
Answer:

Step-by-step explanation:
To solve this problem you must know the formula of subtraction of angles for the function cosx.
The formula is:

We can write 30° as: 45° - 15°
Then:

Using the formula for subtraction of angles we have:

Notice that we have achieved the expression shown in the statement
Finally:
