Answer:
As per the question, 10 workers working for 4 hours a day complete their work = 12 days. 1 person working for 1 hour a day complete the work = 12×10×4 days. Thus, the 8 persons working for 6 hrs a day complete their work in 10 days.
Step-by-step explanation:
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The correct answer is: x=9
4(1-x)+2=-3(x+1 )
-4x +3x = -3 -6
-x=-9
x=9
Answer:
3.6?
Step-by-step explanation:
I didn't understand stand but I just divided 9 and 2.5 and got 3.6
X=55 Explanation: the square is a right angle symbol and that means the angle is 90 degrees so just subtract 35 from the 90 to get x
Answer: option A and D results in 3 significant figures.
Step-by-step explanation:
A. 
The number 17.6 has three significant figures.
B. 
The number 119.25 has 5 significant figures
C. 
The number of 19.83 has 4 significant figures.
D. 
The number of 25.5 has 3 significant figures.
Hence, option A and D results in 3 significant figures.