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hram777 [196]
2 years ago
10

A watch is sold for $130 at a loss of $30. what was the original cost of the watch​

Mathematics
1 answer:
posledela2 years ago
5 0

Answer:

130.00 + 30.00 = $160.00

Step-by-step explanation:

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Do the three points lie on one line?
padilas [110]

Answer:

Yes. No graph paper.

Step-by-step explanation:

Let's say the 3 points are A, B, C.

If A, B and C lie on one line then m_{AB} = m_{BC} = m_{AC}

m_{AB} = \frac{y_{B}-y_{A} }{x_{B}-x_{A}} = \frac{2-6}{3-5} = \frac{-4}{-2} = 2\\m_{BC} = \frac{y_{C}-y_{B} }{x_{C}-x_{B}} = \frac{8-2}{6-3} = \frac{6}{3} = 2\\\\m_{AC} = \frac{y_{C}-y_{A} }{x_{C}-x_{A}} = \frac{8-6}{6-5} = \frac{2}{1} = 2\\\\

Hence, they lie on one line.

You don't need to use a graph paper to prove it.

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2 years ago
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Eva8 [605]

Answer:

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Which of the following is the usually first step when using a general strategy for solving equations with fractions?
tester [92]

Answer:

A. multiply both sides by the LCD

Step-by-step explanation:

It helps cancel out fractions, making it easier to solve the equations

4 0
2 years ago
What is the percentage change in total number of players from Tram A 2021 to 2022 when more than 6 but less 20 matches where won
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46%

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8 0
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X²-7=0 extracting square roots​
Irina-Kira [14]

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x = ± \sqrt{7}

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4 0
2 years ago
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