3 years ago

at a sale , dresses were sold for $30 each.This price were 25% of dresses original price .how much did a dress originally cost

Mathematics

1 answer:

r-ruslan [8.4K]3 years ago

7 0

Answer:120

Step-by-step explanation:

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Write the equation for this line

Nimfa-mama [501]

Answer:

y = 4x + 3

Step-by-step explanation:

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3 years ago

Describe and correct the error in finding the area of a sector with a radius of 6 centimeters and a central angle of 40

Jet001 [13]

Answer:

12.56

Step-by-step explanation:

Remark

Since we don't have anything other than the question, all I can do is answer the question. You are left with the task of figuring out the error.

Formula

Area = (central angle divided by 360 ) * pi r^2

Solution

Area = (40 /360) * 3.14 * 6^2

Area = 1/9 * 3.14 * 36

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3 years ago

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Brut [27]

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zlopas [31]

$m = \frac{y2-y1}{x2-x1}\\ m=\frac{4-2}{10-4} \\m = \frac{2}{6} \\\\m=\frac{1}{3}$

Therefore, the slope of the line is 1/3. In case if you want the equation too.

$y=mx+b\\y=\frac{1}{3}x+b\\ 2=\frac{1}{3}(4)+b\\ 2=\frac{4}{3}+b\\ b=-\frac{4}{3}+2\\ b=-\frac{4}{3} +\frac{6}{3}\\ b=\frac{2}{3}$

Therefore, the equation is y=1/3x+2/3

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Someone please help me with my last question

Delicious77 [7]

Answer:

Kinda need more information on that xD

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3 years ago

Read 2 more answers