3 years ago

50 m decreased by 10%

Mathematics

1 answer:

Usimov [2.4K]3 years ago

6 0

Answer:

45 meters

Step-by-step explanation:

because 10% of 50 is 5, you subtract 5 from 50;

50-5=45

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..................................................

nlexa [21]

Answer:

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Step-by-step explanation:

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3 years ago

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IceJOKER [234]

Hi there!

$\large\boxed{f^{-1}(x) = \sqrt[3]{\frac{x+4}{9} } }$

$f(x) = 9x^{3} - 4$

Find the inverse by replacing f(x) with y and swapping the x and y variables:

$x = 9y^{3} - 4$

Isolate y by adding 4 to both sides:

$x + 4 = 9y^{3}$

Divide both sides by 9:

$\frac{x+4}{9}= y^{3}$

Take the cube root of both sides:

$y = \sqrt[3]{\frac{x+4}{9} }\\\\f^{-1}(x) = \sqrt[3]{\frac{x+4}{9} }$

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