Answer:
a = 2 
Step-by-step explanation:
Given
a = 
Multiply both sides by 9 ( the LCM of 3 and 9 ) to clear the fractions
3a = 7 ( divide both sides by 3 )
a =
= 2 
Answer:
10 soccer balls
20 cones
Step-by-step explanation:
30/3=10 groups
10*2=20
Answer:
C≈8.17cm
Step-by-step explanation:
C=2πr=2·π·1.3≈8.16814cm
The answer is Its 55% of 200
Answer:
The non-production machinery that uses electricity, the physical size of the items, the skill level of the operators, and the outdoor temperature and humidity could all be independent variables in the monthly electricity cost. Step-by-step explanation.