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4 years ago

12

Colin invests £1200 into his bank account. He receives 3% per year simple interest. How much will Colin have after 4 years? Give

your answer to the nearest penny where appropriate.

1 answer:

PolarNik [594]4 years ago

3 0

Answer:

1350.61

Step-by-step explanation:

f(x)=1200(1.03^x)

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^ { (5x ^ { 3 } -7x ^ { 2 } +3x-4)-(8x ^ { 3 } +2x ^ { 2 } +3x-7) }

Tomtit [17]

Answer:

$-3x^{3} -9x^2+3$

Step-by-step explanation:

Given

$(5x^{3} -7x^{2} +3x-4)-(8x ^ { 3 } +2x ^ { 2 } +3x-7) }$

Required

Simplify

$(5x^{3} -7x^{2} +3x-4)-(8x ^ { 3 } +2x ^ { 2 } +3x-7) }$

Open brackets

$5x^{3} -7x^{2} +3x-4-8x^3 -2x^2 -3x+7$

Collect Like Terms

$-8x^3+5x^{3} -7x^{2} -2x^2+3x -3x-4+7$

Simplify like terms

$-3x^{3} -9x^2+3$

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3 years ago

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3 years ago

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DaniilM [7]

Answer:

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When 3n² is subtracted from 54, the appropriate representation is ...

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