Answer:
8.5
Step-by-step explanation:
10x+2=9x(3)
10x+2=27x
2=17x
x=8.5
Step-by-step explanation:
Perimeter of a square = 4 × L
L = Length of a side of the pond = 30m
Perimeter = 4 × L = 4 × 30 = 120m = 12,000 cm
Pace = 60cm
Number of paces = 12,000/60 = 200 paces
The think the answer for number 7 is A/10
Number 8 is C/16
Answer:
The correct option is C. 5
Therefore,

Step-by-step explanation:
Simplify

Solution:
Using Identity

So in the given expression

Therefore,

Therefore,

Answer:
-3
Step-by-step explanation: