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Mkey [24]
2 years ago
9

A woman sold an article for 400.00and made a profit of 25%,Find ty cost price and profit​

Mathematics
2 answers:
Natalija [7]2 years ago
8 0

Answer:

When an article is sold for more than what it costs, we say that there is a 'profit' or gain. Loss: When an ... Type 2 : Find S.P. when C.P. and Profit (or loss) Percent Given. Example 1: A ... cost price. A shopkeeper allows 25\% ... How much above the cost price must he mark his goods to make a profit of 14\% ? « Simple ...

Step-by-step explanation:

Katarina [22]2 years ago
7 0

Answer:

$100 profit, $300 cost

Step-by-step explanation:

So 25% of $400 is $100, now we know she made $100 on the article

and the other $300 was the amount used to make the article i'm asuming

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Answer:

C) They are perpendicular lines.

Step-by-step explanation:

We first need to find the slope of the graph of the lines passing through these points using:

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The slope of the line that passes through (−12, 15) and (4, −5) is

m_{1} =  \frac{ - 5 - 15}{4 -  - 12}

m_{1} =  \frac{ - 20}{16}  =  -  \frac{5}{4}

The slope of the line going through (−8, −9) and (16, 21) is

m_{2} =  \frac{21 -  - 9}{16 -  - 8}

m_{2} =  \frac{21  + 9}{16  + 8}

m_{2} =  \frac{30}{24}  =  \frac{5}{4}

The product of the two slopes is

m_{1} \times m_{2} =  -  \frac{4}{5}  \times  \frac{5}{4}  =  - 1

Since

m_{1} \times m_{2} =  - 1

the two lines are perpendicular.

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Step-by-step explanation:

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