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Usimov [2.4K]
3 years ago
11

A shopkeeper sells a DVD player at a price RM 2,500. If the cost price of the DVD player was RM 3,500, find the profit/loss in w

hich the shopkeeper is. Also, find the percent for the same. ​
Mathematics
1 answer:
kumpel [21]3 years ago
4 0

Answer:

see explanation

Step-by-step explanation:

Since the player was sold for less than what was paid then a loss is made.

loss = 3500 - 2500 = 1000

percent loss = \frac{loss}{cost} × 100% , thus

percent loss = \frac{1000}{3500} × 100% ≈ 28.6% ( to 1 dec. place )

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When it's all sides are mutually perpendicular to each other.
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I’m confused?! Can someone help?!
jonny [76]

Answer:

Scale factor is 5

Step-by-step explanation:

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Mr. Mole left his burrow that lies below the ground and started digging his way deeper into the ground,
Vedmedyk [2.9K]

Answer:

A(t) = -1.8t - 4.5

Step-by-step explanation:

Let the starting level of Mr. Mole is 'b'.

Since Mr. Mole is descending with respect to the ground, at the rate = 1.8 meters per minute

After time 't' altitude of Mr. Mole will be = b - 1.8t  

If we represent the altitude of Mr. Mole with A(t).

Then the equation will be,

A(t) = b - 1.8t

Or, A(t) = -1.8t + b

At the time t = 5 minutes, his altitude was 13.5 meters.

So, -13.5 = -1.8×(5) + b

b = -13.5 + 9

b = -4.5

Now we substitute the value of b in the equation.

A(t) = -1.8t - 4.5

3 0
3 years ago
15 points please help me ASAP
gayaneshka [121]
  1. The distance between the means is equal to 4.
  2. The mean absolute deviation (MAD) for player A is equal to 2.
  3. The mean absolute deviation (MAD) for player B is equal to 2.
  4. Distance between the means = two (2) times the MAD.
  5. There is some overlap and the distance between the means is between 1 times the MAD and 5 times the MAD.

<h3>What is a number line?</h3>

A number line can be defined as a type of graph with a graduated straight line which contains both positive and negative numerical values that are placed at equal intervals along its length.

<h3>What is a line plot?</h3>

A line plot can be defined as a type of graph that is used to graphically represent a data set above a number line, while using crosses, dots, or any other mathematical symbol.

<h3>What is a mean?</h3>

A mean is also referred to as an average and it can be defined as a ratio of the sum of the total number in a data set (population) to the frequency of the data set.

Mathematically, the distance between the means of both players A and B is given by:

Distance = Mean of player B - Mean of player A

Distance = 10 - 6

Distance = 4.

The mean absolute deviation (MAD) for player A is given by:

MAD A = 1/11[2(3 - 6) + 2(4 - 6) + (5 - 6) + (6 - 6) + (7 - 6) + 2(8 - 6) + 2(9 - 6)]

MAD A = 1/11[2(3) + 2(2) + (1) + (0) + (1) + 2(2) + 2(3)]

MAD A = 1/11[6 + 4 + 1 + 0 + 1 + 4 + 6]

MAD A = 1/11 × [22]

MAD A = 22/11

MAD A = 2.

Also, the mean absolute deviation (MAD) for player B is given by:

MAD B = 1/11[2(7 - 10) + 2(8 - 10) + (9 - 10) + (10 - 10) + (11 - 10) + 2(12 - 10) + 2(13 - 10)]

MAD B = 1/11[2(3) + 2(2) + (1) + (0) + (1) + 2(2) + 2(3)]

MAD B = 1/11[6 + 4 + 1 + 0 + 1 + 4 + 6]

MAD B = 1/11 × [22]

MAD B = 22/11

MAD B = 2.

Therefore, distance between the means = two (2) times the MAD.

Distance = Means × MAD

4 = 2 × 2.

In conclusion, we can infer and logically deduce that there is some overlap and the distance between the means of both players A and B is between one (1) times the MAD and five (5) times the MAD.

Read more on line plot here: brainly.com/question/8989301

#SPJ1

6 0
1 year ago
Symplify 5+2(x-5)
marysya [2.9K]
First, distributive property.

5+2x-10
The just combine like terms and you get
2x-5


7 0
3 years ago
Read 2 more answers
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