2 years ago

If adam orders a book from store x how much will he owe the nearest cent the tax rate only aplies to the cost of the book

Mathematics

1 answer:

nika2105 [10]2 years ago

7 0

Answer:

19.72 dollars

Step-by-step explanation:

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2 years ago

Find k, the constant of proportionality, for the data in this table. Then write an equation for the relationship.

VashaNatasha [74]

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$k=\frac{32}{5}$ , $y=\frac{32}{5}x$

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Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form $k=\frac{y}{x}$ or $y=kx$

Find the value of the constant of proportionality k

take any ordered pair from the data

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$k=\frac{y}{x}$

substitute the values of x and y

$k=\frac{160}{25}$

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