Answer:
31.3
Step-by-step explanation:
Order of Operations, Division goes first, then Addition.
19.4/2 = 9.7
20.6 + 9.7 = 31.3
You divide the width of the book by the number of sheets of paper in order to get the thickness of each of the pieces of paper.
The perimeters are not the same because a square has 4 sides if u add up all the sides you'll get 36 and a pentagon has 5 sides add up the sides you'll get 45
Answer:
k = 3.5
Step-by-step explanation:
0.1 (10k - 15) =2
Distribute
1k - 1.5 = 2
Add 1.5 to each side
k -1.5 +1.5 = 2+1.5
k = 3.5
10 to the power of 1 = 10
5 x 10 = 50