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Otrada [13]
3 years ago
8

Original price : 29.99 ; markdown 30% what is the awnser ?

Mathematics
2 answers:
Serjik [45]3 years ago
5 0

"Original price : 29.99 markdown 30% what is the answer?"


20.99


kvv77 [185]3 years ago
3 0
$21.00 because u take 29.99 x .30 and you get 8.99 the you subtract from 29.99 and get 21
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PLS help I will give brainliest to the one who will answer me first.<br><br> pic is not blurry
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Answer:

mean for a = 60/10 = 6

mad of a = 2

mean for b = 80/10 = 8

mad of b = 2

Step-by-step explanation:

Mean absolute deviation (MAD) of a data set is the average distance between each data value and the mean. Take each number in the data set, subtract the mean, and take the absolute value. Then take the sum of the absolute values. Now compute the mean absolute deviation by dividing the sum above by the total number of values in the data set. The mean absolute deviation, MAD, is 2.

\frac {1}{n} \sum \limits_{i=1}^n |x_i-m(X)|

m(X) = average value of the data set

n = number of data values

x_i = data values in the set

mean = average.

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2 years ago
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Aleksandr-060686 [28]

Given t = time and h = height

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2 years ago
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Read 2 more answers
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The viewer mistakenly determined that one of the equations in the system should be 2 x + y = 28. Instead modifications should have been made before applying the equation.

<h3>What is an Equation ?</h3>

An equation is a mathematical statement formed when two algebraic expressions are equated using an equal sign.

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Total Points = 28

Correct Answers = +2 points

Incorrect Answers = -1 point

The viewer represents the correct answers with x and the incorrect ones with y.

x+y = 20

for every correct answers 2 points;

and for every incorrect answers, -1 point

This can be written as

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The viewer's mistake is that; instead of subtracting total incorrect points from the correct points, the viewer added them together;

now

2x-y = 28

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This means that the contestant answered 16 questions correctly and 4 questions incorrectly

The viewer mistakenly determined that one of the equations in the system should be 2 x + y = 28.

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