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100*(New Length/Old Length - 1)

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Q: How do you calculate percent change in length?
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How do you calculate percent elongation in materials?

To calculate percent elongation with an equation: [(final length - initial length) / initial length] x 100 = percent elongation On a graph - To calculate percent elongation, draw a line to the x-axis from the point of fracture parallel to the straight line part of the graph. The extension at this point is then divided by the gauge length.


What is 45 percent of a circle?

you need to quote the circumference to calculate the length of the arc or its percentage


What is percent of change?

Percent change is the percent amount some value has changed. It has phenomenal usage in every day math and in fields such as business. It's often used to calculate the percent difference in sales between years for business.


A cardboard box has a length of 3 feet height of 2 feet and depth of 2 feet If the length and depth are doubled by what percent does the volume of the box change?

300% The volume of the original box is ?. The volume of the box with the length and depth doubled is ?. The amount of change in volume is 60 - 15 = 45. The percent change is the amount of change in volume divided by the original volume:


What jobs do percent of change?

A stock broker uses percent of change. Almost any buisness might use it to calculate the money gained over a certain period of time.


Calculate 46 percent of 930?

First change the percent to a decimal: .46 and then multiply the number by the decimal: 930 x .46= 427.8.


Suppose the length and width of rectangle is 40 percent more is area also 40 percent more?

No. The change of the area is the square of the change of the length and width.If the length and width are 40% more, they got multiplied by 1.4 .So the area got multiplied by (1.4)2 = 1.96 . That's an increase of 96% .


Why do you need to calculate percentage change in an experiment?

To find the difference between the two numbers in percent form


How do you calculate percent change in normal GDP?

It is 100*(New GDP - Old GDP)/Old GDP


How do you calculate a paticular year growth percent?

(Final-Initial)/(Initial) is the formula for percent change (multiply by 100 to make it a percentage) I think this is what you are looking for.


How do we calculate length of helical spring?

How do calculate spiral length of Spiral rings


How do you calculate sale price if marked price and percent discount is given?

How to calculate sale price if marked price and percent discount are given:First change the percent discount to a decimal.You then multiply the percent discount in decimal form by the marked price.Finally, you subtract the answer from the multiplication problem from the marked price, and get your final answer!