Answer:
3n^2 - 5n - 28
Step-by-step explanation:
(n - 4)(3n + 7)
3n^2 + 7n - 12n - 28
3n^2 - 5n - 28
hope this hepls!!!
Answer:
C
Step-by-step explanation:
The sum to n terms of a geometric sequence is
= 
Here a₁ = 4 and r = - 3, thus
= 
=
= - (729 - 1) = - 728 → C
Answer:
<h2>
489.84 units³</h2>
Step-by-step explanation:
Given,
Radius ( r ) = 6
Height ( h ) = 13
Volume of cone = ?
Now, Let's find the volume of cone:

plug the values

Evaluate the power

Calculate
units³
Hope this helps..
Best regards!!
Yes the quotient of 9 is rational