3 years ago

A shirt is on sale for $42. If this is (3)/(5) of the original price of the shirt, what was the original price of the shirt?

Mathematics

1 answer:

daser333 [38]3 years ago

8 0

B. 3/5 if 42 would be 25.20$

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2. Quadrilateral ABCD was dilated with the origin as the center of dilation to create quadrilateral A'B'C'D. Which rule best rep

Virty [35]

Answer:

$(x,y) => (2.5x,2.5y)$

Step-by-step explanation:

Given

See attachment for ABCD and A'B'C'D'

Required

Determine the dilation rule

Using AB and A'B' as points of references;

$AB = (-1,2)\ to\ (2,1)$

$A'B' = (-2.5,5)\ to\ (5,2.5)$

The dilation factor (k) is calculated as:

$k = \frac{A'B'}{AB}$

This gives:

$k = \frac{(-2.5,5)}{(-1,2)} \ or\ k = \frac{(5,2.5)}{(2,1)}$

Factorize

$k = \frac{2.5*(-1,2)}{(-1,2)} \ or\ k = \frac{2.5*(2,1)}{(2,1)}$

$k = 2.5 \ or\ k = 2.5$

Hence, the scale factor is 2.5

The dilation rule is:

$(x,y) => k(x,y)$

$(x,y) => 2.5(x,y)$

$(x,y) => (2.5x,2.5y)$

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3 years ago

Find the length of the third side. If necessary, write in simplest radical form.

Delicious77 [7]

Answer:

Step-by-step explanation:

6^2+B^2=3^2X5

36+b^2=9x5

b^2=9

b=3

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2 years ago

Which conclusions are valid given that ABCD is a parallelogram? Select True or False for each statement.

Burka [1]

it is true not false true

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cluponka [151]

Answer:

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Step-by-step explanation:

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b) 28/7 = 4 each

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3 years ago

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Answer:

w = P /2 + 1 /2

Step-by-step explanation:

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