Formula for volume

what is formula for volume

d = m / v ------------------------Eq. 1
where d is the density, m is the mass & v is volume.
Now in case you are given any three quantities, the third quantity can be calculated. Using equation 1, you can calculate density given mass & volume.
Example 1: If an iron ball has a volume of 100mL & it weighs 780 grams, what is its density? What is its relative density?

d = m / v

d = 780g / 100 mL = 7.8 g/mL
Relative Density or R.D. = density of a substance / density of water
R.D. of Iron = 7.8 g/mL / 1.0 g/mL = 7.8 (dimensionless)
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Volume formula help

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Pi sine rule

Sine pi
Inverse Sine:

Inverse sine is one of the inverse trigonometric function. Let us discuss in detail.

Inverse sine is denoted as sin-1 (or) Sin-1 (or) arcsin (or) Arcsin.

To find the angle of given triangle shape inverse sine is used.

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Answers to math problems

How to do percentages

In math we learn how to do percentages or how to calculate percentages of any given value.

How to do percentages is widely used technique throughout the business world, Percentage is denoted with the sign %, for example 50% is read as fifty percentage that an also written as 50/100 or 0.50.

Example:

In a crowd containing 200 people and out of that only 50 are men.Find the percentage of men

Given that

Total number of men = 50

Total number of people = 200

Percentage of men = 50/200 = 1/4 = 0.25

= 0.25 x 100 = 25

There are 25% of men in a crowd.

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