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ryzh [129]
3 years ago
8

An object has a mass of 20 g and a volume of 5 cm3. what is the object's density?

Mathematics
2 answers:
andriy [413]3 years ago
6 0

Answer: 4\ g/cm^3

Step-by-step explanation:

The formula to find the density is given by :-

\text{Density}=\dfrac{\text{Mass}}{\text{Volume}}

Given : Mass of a n object= 20 g

Volume of object = 5\ cm^3

Then the object's density will be :_

\text{Density}=\dfrac{20}{5}\\\\\Rightarrow\ \text{Density}=4\ g/cm^3

Hence, the object's density - 4\ g/cm^3

koban [17]3 years ago
5 0
Density = mass / volume

density = 20/5 = 4 g/cm^3
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3 years ago
Use differentials to approximate the value of the expression. Compare your answer with that of a calculator. (Round your answers
Vesna [10]

Answer:

726.572699

Step-by-step explanation:

According to differentials

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Using this formula to solve (8.99)³, this can also be written as;

(8.99)³ =  (9-0.01)³ where

x = 9

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Substitute this vales into the differential expression above

(9+(-0.01))³ = 9³ + 3(9)²(-0.01) + 3(9)(-0.01)² + (-0.01)³

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(9+(-0.01))³ = 729-2.43+0.0027-0.000001

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Using calculator;

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4 0
3 years ago
A triangle with an area of 37 units? is dilated by a scale factor of . Find the area of
sergeinik [125]

Answer:

<u>58 units</u>

Step-by-step explanation:

I decided that one side is 37 units and another is 2 units, since that would make the area 37 units. (you can also use 74 units and 1 unit)

Then I multiplied 37 by 5/4, which equals a new length of 46.25 units, and I also multiplied 2 by 5/4, which equals a new length of 2.5 units.

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1/2(46.25 x 2.5) ≈ <u>58 units</u> (rounded to the nearest whole number)

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3 years ago
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