Commutaitve has to do with moving around the order
it is a+b=b+a
so x+5=5+x, therefor
9(x+5)=9(5+x)
Answer:
Start to end
1) N
2)P
3)J
4)B
5)A
6)i
7)L
8)E
9)G - 14b
10)H
11)O
12)M
13)C
14)D
15)K
16)F
Hope this helps, I've matched it up with the letters starting at the top box first, then going down.
Answer:
362 kilometre
Step-by-step explanation:
Let a be the total cost of a journey
let b represent the total distance of a journey
$1.75 is a fixed charge of a journey
the additional charge is $0.10 for b distance ,hence total of additional charge is $.10 multiplied by b i.e 0.1 b
a=1.75+0.1b
a =37.90
37.90=1.75+0.1b
0.1b=37.90-1.75
0.1 b=36.15
b=36.15
/0.10
b=361.5
b=362 kilometre
For the journey that cost 21.80
21.80=1.75+0.1 b
0.1 b=21.80-1.75
0.1 b=20.05
b=20.05
/0.1
b=200.5
b =201 kilometre
The inside angles of a 4 sided shape when added together equal 360.
X = 360 - 50-130-120
X = 60 degrees.
