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Slav-nsk [51]
3 years ago
10

The density of aluminum is 2.375 grams per cubic centimeter. Find the volume of a portion of a sheet of aluminum that has a mass

of 0.78 kilograms?
Mathematics
1 answer:
Rufina [12.5K]3 years ago
4 0
This is the concept of density, volume and mass of different materials; To calculate for the volume of an aluminium material with density of 2.375 grams per cubic centimeter and a mass of 0.78 Kilogram we proceed as follows;
Density=mass/volumemaking volume the subject we get;volume=mass/densitythus;mass=0.78 kg= 780 gdensity=2.375 g/cm^3Hence,volume=780/2.375=328.421 cm^3

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Consider the sequence defined recursively by do = 0, an = an-1 + 3n – 1. a) Write out the first 5 terms of this sequence,
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Step-by-step explanation:

Given : Consider the sequence defined recursively by a_0=0 a_n=a_{n-1}+3n-1

To find : Write out the first 5 terms of this sequence ?

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For n=1,

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For n=2,

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a_2=a_{1}+6-1

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For n=3,

a_3=a_{3-1}+3(3)-1

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For n=4,

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For n=5,

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The first 5 terms of the sequence is 2,7,15,26,40.

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3 years ago
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