Manuel is filling water balloons at a constant rate of 3 water balloons per minute.With the given information,which of these sta
2 answers:
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Answer:
= 8
= 6
Therefore the co-ordinate of the center of mass is =
Step-by-step explanation:
Center of mass: Center of mass of an object is a point on the object. Center of mass is the average position of the system.
Center of mass of a triangle is the centriod of a triangle.
Given that m₁= 4, m₂=3, m₃=3 and the points are P₁(2,-3), P₂(-3,1) and P₃(3,5)
= ∑(mass × x-co-ordinate)
= ∑(mass × y-co-ordinate)
Therefore
= (4×2)+{3×(-3)}+(3×3)
=8
= {4×(-3)}+{3×1}+(3×5)
=6
The x co-ordinate of the center of mass is the ratio of to the total mass.
The y co-ordinate of the center of mass is the ratio of to the total mass.
Total mass (m) = m₁+ m₂+ m₃
= 4+3+3
=10
The x co-ordinate of the center of mass is
The y co-ordinate of the center of mass is
Therefore the co-ordinate of the center of mass is =
Step-by-step explanation:
- If the stock goes up 30%, it's multiplied by
.
The reason is that
- If the stock goes down 20%, it's multiplied by
The reason is that
- If the stock goes down 30%, it's multiplied by
The reason is that
- If the stock goes up 40%, it's multiplied by
.
The reason is that
So
If you increase it by 30% and then drop it by 20%, it means you are multiplying it by and then multiplying it by
. In other words:
So, the net gain is = .04
Assume the original value = 500
Increase it by 30% and it becomes 650
Decrease 650 by 20% and it becomes 520
So, the net gain = 20
Verification:
And
If you drop it by 30% and then increase it by 40%, you are multiplying it by .7 and then multiplying it by 1.4. In other words:
So, the net loss is = 1 - 0.98 = .02
Assume the original value = 500
Decrease it by 30% and it becomes 350.
increase 350 by 40% and it becomes 490.
So, the net loss is = 10
Verification:
Keywords: stock, loss, gain
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