20 * 20 = 400
400 does not need to be rounded
The correct option is D): "an=1/n" because:
<span>since first term: n is 1,
if you plug in 1 in the 1/n,
you get one.
second term: n=2,
so, 1/n = 1/2.</span>
Answer:
a c and e hope it helps :D
Step-by-step explanation:
The formula for a triangl is one-half base time height ( 1/2 bh).
So for this triangle, input the base and height.
1/2 (10 x10)
The solve
1/2 (100)
50
50 cm²
Lol...milk town...ok..back to work
0.08(12.99) = 1.04 --- tax on the toy
0.08(39.99) = 3.20 --- tax on the book
3.20 - 1.04 = 2.16 <== the book tax is 2.16 more then the toy tax