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4 years ago

The sales tax in your city is 4.4 and an item costs $3 before tax how much do u pay on the item

Mathematics

1 answer:

marin [14]4 years ago

7 0

Answer:

$3.13

Step-by-step explanation:

We assume you mean the tax rate is 4.4%. Then the tax on $3 is ...

... tax = (tax rate) × (item cost)

... = 4.4/100 × 3.00 = 4.4 × .03 = 0.132 ≈ 0.13

The amount paid is ...

... amount paid = tax + item cost = $0.13 +3.00

... amount paid = $3.13

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3^2 - 2x + 4 and g(x) = 5x^2 + 6x - 8 find f-g(x)

sveta [45]

Answer:

For the given functions f(x) and g(x) $(f-g)(x) = -2x^{2} - 8x +12$

Step-by-step explanation:

Here, the given function are:

$f(x) = 3x^{2} - 2x+ 4\\g(x) = 5x^{2} + 6x -8$

Now, simplifying for (f-g)(x) = f(x) - g(x):

$f(x) - g(x) = (3x^{2} - 2x+ 4) - (5x^{2} + 6x -8)$

$= 3x^{2} - 2x+ 4- 5x^{2} - 6x +8$

Doing operation on LIKE TERMS, we get

f(x) - g(x) = $( 3x^{2}- 5x^{2}) + (-2x - 6x) +( 4 +8) = -2x^{2} - 8x + 12$

Hence, for the given functions f(x) and g(x) $(f-g)(x) = -2x^{2} - 8x +12$

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Answer:

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