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fenix001 [56]
4 years ago
6

an internet service provider charges a one time $25 connection fee and then charges $16 per month. write an expression to model

the total cost for any given number of months.
Mathematics
1 answer:
ASHA 777 [7]4 years ago
7 0
25+16x= the total cost
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(3x+2)∧2=9 how do i solve this in the square root property
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x_{1}=\frac{-b-\sqrt{b^2-4ac}}{2a}=\frac{-12-\sqrt{12^2-4 \cdot9 \cdot (-5)}}{2 \cdot 9}=\frac{-12-\sqrt{144+180}}{18}=\\\\=\frac{-12-\sqrt{324}}{18}=\frac{-12-18}{18}=\frac{-30}{18}=-\frac{5}{3}\\\\x_{2}=\frac{-b+\sqrt{b^2-4ac}}{2a}=\frac{-12+\sqrt{12^2-4 \cdot9 \cdot (-5)}}{2 \cdot 9}=\frac{-12+18}{18}=\frac{6}{18}=\frac{1}{3} \\\\Answer: \ x=-\frac{5}{3}\ \ and \ \ x=\frac{1}{3}
 

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3 years ago
Determine the dependent variable in the statement:
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Alan bought two bikes. He sold one to Beth for $300 taking a 25% loss. He also sold one to Greta for $300 making a 25% profit. D
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No Alan did not break even

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<em><u>Solution:</u></em>

Given that,

Alan bought two bikes

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8 0
3 years ago
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