If the mass of a material is 96 grams and the volume of the material is 13 cm3, what would the density of the material be?

The density will be 7.38 grams/cm³

Density is a measurement that compares the amount of matter an object has to its volume. Mathematically

Density =

So putting the value

Density = 96 / 13

Density = 7.38 grams/cm³

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answer: at 24 february, 2014 the population gets twice of its initial population.

explanation:

since we have given that

the population for alpha city, t years after january 1, 2004 is given as

first we find out the initial population, i.e. t=0,

so, our quadratic equation becomes,

according to question, we have said that if the population has twice its initial population, then it becomes

so, time taken to reach this above mentioned population is given by

now, we know that time can't be negative so, we take t=9.149 years.

hence, at 24 february, 2014 the population gets twice of its initial population.