9514 1404 303
Answer:
66 2/3 cm
Step-by-step explanation:
The weight in kilograms is 20, so the stretch in cm is 20/3 = 6 2/3 cm.
When the 60 cm spring is stretched an additional 6 2/3 cm, its length will be ...
60 +6 2/3 = 66 2/3 . . . cm
5% p.a will rate of interest
A dotted line going through -2 on the x axis, with the right side of the graph shaded in.
hope this helps!
y = -2x + 9
y = -2x + 7
(4, 1)
1 = -2 ( 4 ) + b
1 = -8 + b
b = 9
AE=90°
AED=140°
DBA=220°