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SCORPION-xisa [38]
3 years ago
10

A store is having a going -out-of buisness sale.a television set that orginally cost 3000 has been marked down by30% what do you

pay for the television set with the markdown and 7% tax
Mathematics
1 answer:
allsm [11]3 years ago
7 0

2,247

Step-by-step explanation:

take 3000 and minus that by 30 percent, then after that, add 7 percent to get your total.

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Which choice is the equation of a line that passes through point (7,3) and is parallel to the line represented by this equation?
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7 0
3 years ago
Use the properties of limits to help decide whether each limit exists. If limit exits, find its value.
Sergio039 [100]

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a) We take the highest power (x⁴) as common factor in both the numerator and the denominator.

\lim_{x \to \infty} \frac{x^4-x^3-3x}{7x^2+9} =  \lim_{x \to \infty} \frac{x^4(1-1/x-3/x^3)}{x^4(7/x^2+9/x^4)} = \lim_{x \to \infty} \frac{1-1/x-3/x^3}{7/x^2+9/x^4}

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b) Note that if we multiply √x - 5 by its conjugate of , which is √x + 5, we obtain x - 25, thus

\lim_{x \to 25} \frac{\sqrt x - 5}{x - 25} = \lim_{x \to 25} \frac{(\sqrt{x} - 5)}{(\sqrt{x} - 5) * (\sqrt{x}+5)} = \lim_{x \to 25} \frac{1}{\sqrt x + 5} = \frac{1}{5+5} = \frac{1}{10}

Hence, the limit exists and its value is 1/10.

6 0
3 years ago
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