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lidiya [134]
2 years ago
13

What is the following product? 3v2(5v6-7v3)

Mathematics
1 answer:
steposvetlana [31]2 years ago
6 0

Answer:

3v^2\left(5v^6-7v^3\right)=15v^8-21v^5

Step-by-step explanation:

Given the expression

3v^2\left(5v^6-7v^3\right)

Apply the distributive law

a\left(b-c\right)=ab-ac

a=3v^2,\:b=5v^6,\:c=7v^3

=3v^2\cdot \:5v^6-3v^2\cdot \:7v^3

=3\cdot \:5v^6v^2-3\cdot \:7v^3v^2

=15v^8-21v^5

Thus, we conclude that

3v^2\left(5v^6-7v^3\right)=15v^8-21v^5

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3 0
3 years ago
Dan invests £18790 into his bank account. He receives 4.9% per year simple interest. How much will Dan have after 3 years? Give
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Answer:

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Step-by-step explanation:

Given information:

Principal amount = £18790

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I=18790\times 0.049\times 3

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Total amount after 3 year is

A=P+I

A=18790+2762.13

A=21552.13

A\approx 21552

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