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2 years ago

An item on sale costs 95% of the original price. If the original price was $20, what is the sale price?

1 answer:

3 0

Hello :D

So we need to work out 5% and subtract it from the total price.
10% = $2 (Divide 20 by 10)
5% = $1 (Divide 10% by 2)
$20 - $1 = $ 19

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faltersainse [42]

Answer:

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Step-by-step explanation:

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3 years ago

What type of angles are 1 and 8

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Answer:

Alternate exterior angles

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3 years ago

Which equation could represent "the area of a square as a function of a side"?

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Let side = x
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3 years ago

(**15 POINTS**)

bonufazy [111]

Answer:

0.6x = 87

Step-by-step explanation:

Hi, to answer this question we have to write en equation:

We have to multiply the variable x by the percentage given (60%) in decimal form (divided by 100). That expression must be equal to 87.

Mathematically speaking:

x (60/100) = 87

0.6x = 87

Feel free to ask for more if needed or if you did not understand something.

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3 years ago

Quadrilateral ABCD is a parallelogram. Given this, fill in the coordinates below.

Lubov Fominskaja [6]

Answer:

The coordinates of D are (8,3)

Step-by-step explanation:

We have quadrilateral ABCD being a parallelogram with coordinates A(3,2), B(5,4), C(10,5), and D(a,b).

We want to find the coordinates of D.

Since ABCD is a parallelogram, the diagonals AC and BD bisects each other.

The midpoint of AC is (13/2,7/2).

This is also the midpoint of BD.

By the midpoint rule:

$( \frac{5 + a}{2} , \frac{4 + b}{2} ) = ( \frac{13}{2} , \frac{7}{2} )$

This implies that:

$5 + a = 13 \\ a = 13 - 5 \\ a = 8$

Similarly,

$4 + b = 7 \\ b = 7 - 4 \\ b = 3$

The coordinates of D are (8,3)

8 0

3 years ago