Answer:
10%
Step-by-step explanation:
Machine out put power =100 watt
Machine input power=1000 watt
We have to find the efficiency of the machine.
We know that
Efficiency of machine=
Where O.p=Output power
I.p=Input power
By using the formula
Efficiency of machine (in percent)10%
Hence, the efficiency of machine=10%
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Yo sup??
area of trapezium=1/2*sum of opposite sides* height of trapezium
=1/2*44*13
=22*13
=286 sq units
Hope this helps
Answer: 220
Step-by-step explanation: Use distributive propetry and PEMDAS to solve.