2 years ago

Find the sales tax of an item that costs $42 and has a 8.25% sales tax.Round approximately.

Mathematics

1 answer:

dolphi86 [110]2 years ago

3 0

Answer:

42 times 1.0825 = 45.465 rounding up to the nearest cent is 45.47 A.

Step-by-step explanation:

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What are the x-intercepts of y=2x^2+6x-20?

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Answer:

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Step-by-step explanation:

$y=2x^2+6x-20$

x-intercept is when y is set equal to zero

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$2x^3+6x-20 = 0\\Taking \ 2 \ common\\2(x^2+3x-10) = 0\\Dividing \ both \ sides \ by \ 2\\x^2+3x-10 = 0\\Using \ mid\ term \ break \ formula\\x^2+5x-2x-10 = 0\\x(x+5)-2(x+5)=0\\Taking \ (x+5) \ common\\(x+5)(x-2) = 0$

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