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Maths-

General

Easy

Question

$straight V equals M over D$
The formula above relates volume V, mass M, and density D. What is density in terms of volume and mass?

$D = \frac{1}{M V}$
$D = \frac{M}{V}$
$D = \frac{V}{M}$
D = MV

The correct answer is: $straight D equals M over V$

Hint:
The concept used in this question is concept of equation.
Rearrange the equation to get equation in terms of v.
Step by step explanation:
Given:
$V equals M over D$
Step 1:
Try to expression above formula in terms of D
For this, put D at one side and remaining terms on other side.
∴ cross multiply V and D,
We will get
V × D = M
Step 2:
Now divide both side by V
$not stretchy rightwards double arrow fraction numerator V cross times D over denominator V end fraction equals M over V$
$not stretchy rightwards double arrow straight D equals straight M over straight V$
∴ D = $M over V$

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