Could you please provide the equation and the rest of the question?
Answer:
Proved
Step-by-step explanation:
Given

Required
Prove
On the right hand side, we have:

Rewrite:


Apply law of indices


Express 6 as 3.5 + 2.5

Open bracket

Proved
Step-by-step explanation:
If the zeros are 5 and 9, then the equation will have the form:
y = a (x–5) (x–9)
We know the point (0, 90) is on the curve, so we can use this to find the coefficient a:
90 = a (0–5) (0–9)
90 = 45a
a = 2
y = 2 (x – 5) (x – 9)
Answer:
the real answer is 1107.5 ft
3
Step-by-step explanation:
Volume of Cone:
V=\frac{1}{3}\pi r^2h
V=
3
1
πr
2
h
\text{Find radius:}
Find radius:
r=\frac{\text{diameter}}{2}=\frac{17.2}{2}=8.6
r=
2
diameter
=
2
17.2
=8.6
h=14.3\hspace{40px}r=8.6
h=14.3r=8.6
Needed information
V=
V=
\,\,\frac{1}{3}\pi r^2h
3
1
πr
2
h
V=
V=
\,\,\frac{1}{3}\pi (8.6)^2(14.3)
3
1
π(8.6)
2
(14.3)
Plug in
V=
V=
\,\,1107.54545168
1107.54545168
Evaluate in calculator
V\approx
V≈
\,\,1107.5\text{ ft}^3
1107.5 ft
3