Answer:
45ft
Step-by-step explanation:
use pythagoras
c²=a²+b²
47²=15²+b²
(solve for b)
b= 44.5
round off, =45
Use the formula
a
n
=
a
n
2
+
b
n
+
c
a
n
=
a
n
2
+
b
n
+
c
to identify the quadratic sequence.
a
n
=
n
2
+
6
n
+
9
a
n
=
n
2
+
6
n
+
9
Tap to view steps...
4.
A. 2:12(simplified 1:6)
B. 2:8 (simplified 1:4)
5.
3:12 (simplified 1:4)
I’m pretty sure this is right but I did my best lol sorry