Answer:
If you want me to give you a WRONG answer, then -1.
Answer:
The small gear would be spinning at 7.5MPH
For any sort of pyramid or cone, the volume is 1/3 of the volume of a prism with the same base and height. Since the volume of a prism/cylinder is
, the volume of a pyramid/cone is
.
In this case, our base is a circle, which has a radius of 4 cm.
The area of a circle is
where r is the radius.
We now know that our base is 16π cm.
We also know that our height is 9 cm.
Let's plug these into our volume formula.
Use 3.14 to approximate pi as the question states. 16 × 3.14 = 50.24.
We could punch all of that into our calculator to get the same answer, but since 1/3 of 9 is clearly 3, let's just go with that.
Answer:
7
6^2*2
36*2=72
10
54-6*6
54-54=0
9
8*11 dived 44=2
5
36-15=21
3
64+19=83
plz mark me as brainly
Step-by-step explanation: