Select the correct answer. A pound is approximately 0. 45 kilogram. A person weighs 87 kilograms. What is the person’s weight, i
n pounds, when expressed to the correct number of significant figures? A. 190 lb B. 180 lb C. 52 lb D. 39 lb.
1 answer:
Answer:
A. 190 lb
Step-by-step explanation:
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It would be one whole since 5/6 + 1/6 equals 1
1st image:
20 (20 + x) = 40^2
400 + 20x = 1600
20x = 1200
x = 60
---------------
2nd image:
5 * x = 10 * 6
5x = 60
x = 12
First you find out what 20% of 30 is (30 * 0.20 = 6)
Then you take 30/6 to get your answer (30/6 = 5)
There will be 5 students in each group.
Charles-C
Sharon- S
Jason-J
C=y
S= 3y
J=(3y)+50
Your answer in simplest radical form would be 531441/64
