Add 6.9 to both sides.
This is the new equation: 4.8y=10.08.
Next, divide both sides by 4.8.
new equation: y=2.1
Hope this helped!!
9) acute, right, obtuse
10) isosceles, obtuse
11) trapezoid
12) 360°
13) 100°
Answer:
75(1/3)^(n-1).
Step-by-step explanation:
This is a Geometric sequence whose common ratio is 15/75 3/15 = 1/3.
so the nth term an = a1 r^(n-1)
= 75(1/3)^(n-1).
