How is the percent efficiency of a machine determined?
2 answers:
The answer is B. I just answered this question earlier!
Answer:
i need the ansrew too
Step-by-step explanation:
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The answer is 6 BASED ON PEMDAS
Do the brackets first as it says in BIDMAS
Im pretty sure tge answers -1.68426
1/3 and 5 because 3/1 is three and 1/3 is the opposite while 1/5 is 5/1 which is 5.
(3x+5)+(x+3)=180
4x+8=180
4x=172
x=43
3(43)+5
<PQR=134
<SQR=46
