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DENIUS [597]
3 years ago
5

a cell phone costing R747 was advertised at a reduced price of R599.Calculate the percentage discount being offered ​

Mathematics
1 answer:
lana [24]3 years ago
6 0

Answer:

19.81% off

Step-by-step explanation:

percentage decrease = new-old/old

599-747/ 747   = -148/747  

-148/747 x 100 = -19.81%

so the price has been reduced by 19.81%

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Answer:

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Step-by-step explanation:

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3 years ago
5x-4y+-13 and 3x-4y+-11
drek231 [11]
5x + -4y = 13

Solving
-5x + -4y = 13

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '4y' to each side of the equation.
-5x + -4y + 4y = 13 + 4y

Combine like terms: -4y + 4y = 0
-5x + 0 = 13 + 4y
-5x = 13 + 4y

Divide each side by '-5'.
x = -2.6 + -0.8y

Simplifying
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Simplifying
3x + -4y + -11 = 0

Reorder the terms:
-11 + 3x + -4y = 0

Solving
-11 + 3x + -4y = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '11' to each side of the equation.
-11 + 3x + 11 + -4y = 0 + 11

Reorder the terms:
-11 + 11 + 3x + -4y = 0 + 11

Combine like terms: -11 + 11 = 0
0 + 3x + -4y = 0 + 11
3x + -4y = 0 + 11Combine like terms: 0 + 11 = 11
3x + -4y = 11

Add '4y' to each side of the equation.
3x + -4y + 4y = 11 + 4y

Combine like terms: -4y + 4y = 0
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Divide each side by '3'.
x = 3.666666667 + 1.333333333y

Simplifying
x = 3.666666667 + 1.333333333y
3 0
3 years ago
Read 2 more answers
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barxatty [35]

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2 years ago
Find the volume of a cube<br>with a side length of 10 ft.​
Korvikt [17]

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3 years ago
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aev [14]

Answer:

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Step-by-step explanation:

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4 0
3 years ago
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