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3 years ago

11

Use the formula r = (F/P)^1/n - 1 to find the annual inflation rate to the nearest tenth of a percent. A rare coin increases in

value from $0.25 to 1.50 over a period of 30 years.

1 answer:

Dmitriy789 [7]3 years ago

7 0

Go ask your professor for advice it is much better for any normal person

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3 years ago

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SSSSS [86.1K]

Answer:

-2 1/8

<h2><em><u>Could I please have BRAINLIEST?</u></em></h2>

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Please help immediately

Burka [1]

Answer: $f'(1)=\dfrac{4}{2y+1}$

<u>Step-by-step explanation:</u>

To find the tangent, you need to find the derivative with respect to x.

Then substitute x = 1 into the derivative.

Given: 0 = 2x² - xy - y²

Derivative: 0 = 4x - y' - 2yy'

Solve for y': 2yy' + y' = 4x

y'(2y + 1) = 4x

$y'=\dfrac{4x}{2y+1}$

$\text{Substitute x = 1:}\quad y'(1)=\dfrac{4}{2y+1}$

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