Answer:
12 meters
Step-by-step explanation:
Given

Required
Determine the measurement when the scale reads 6cm
Represent this scale with x;
Such that:

Equate
and 

Express as fraction

Cross Multiply




Answer:
30 J
Step-by-step explanation:
W = mg = 3 N
h = 10 m
Potential Energy = mgh = 3*10 = 30 J
Answer:
2 3/4 C
Step-by-step explanation:

Answer:
-1
Step-by-step explanation:
-49-35x+x=-3x-18
-49-34x=-3x-18
-34x+3x=-18+49
-31x=31
-31x/-31=31/-31
ansx=-1
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Answer:
8.2
Step-by-step explanation:
let me know if its wrong