1. 600 / 900 = 260/x
234,000 / 600 = 390
the length = 390 feet
2. 100/20 = d/60
100/20 = 5
d = 60x5 = 300 feet
(7x - 6)(7x + 6)
There is a positive and a negative square root to every number.
Hope this is helpful. :)
A) 4/5
B) 1/2
C) 4/3
D) 7/10
E) 17/12
F) 17/15
Answer:
-9 + (n-1)-7
Step-by-step explanation:
formular for AP is
a+ (n-1)d
where A is -9
d is 5--2=7
or -2--9=7