Answer:
Step-by-step explanation:
diameter=7.3cm
radius=
=
=3.65cm
angle =120°
area=
× 
=
×
×
=
≅
Answer:
3^9x=3^-2x
Step-by-step explanation:
27^3x=(1/9)^x
3^3×3x=(1/3^2)^x
3^9x=3^-2x
Answer:
424--------------------------------------------------------
I think the answer is a = 4.5
81 ÷ 6 ÷ 3 = 4.5
I hope this helps, have a wonderful day!
Answer:
x equals to - 5.5 or - 11/2