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Ierofanga [76]
2 years ago
13

-If x+y=10 and x-Y=6 whatis value of X3-Y3​

Mathematics
2 answers:
sukhopar [10]2 years ago
8 0

Answer:

18

Step-by-step explanation:

x  + y = 10 (1)\\ x  - y = 6(2) \:   \\ 2y = 4  \:  \: ie \: y = 2 \\ x + y = 10 \\ x = 10 - 2 \\ x = 8 \\ x3 - y3 = (8 \times 3) - (2 \times 3) \\  = 24 - 6 \\  = 18

marysya [2.9K]2 years ago
7 0
Answer = 18


If you mean x times 3 and y times 3, x= 8 and y = 2 so (8*3)-(2*3)=18
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The clearance price is $17.28.

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Step-by-step explanation:

We have been given that a store pays a manufacturer $20 for a hat. To make a profit, the store prices the hat 60% higher than the amount they paid.

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\text{Price of the hat after an increase of 60\%}=20+(\frac{60}{100}*20)

\text{Price of the hat after an increase of 60\%}=20+(0.60*20)

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So, the price of hat after the increase of 60% will be $32.

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\text{Price of the hat after sale of 10\%}=32-(\frac{10}{100}*32)

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\text{Price of the hat after sale of 10\%}=32-3.2

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So the price of hat after 10% sale will be $28.8.

As the clearance sale reduces the price by 40%, so price of hat after clearance sale will be 28.8 minus 40% of 28.8.

\text{Price of the hat after clearance sale}=28.8-(\frac{40}{100}*28.8)

\text{Price of the hat after clearance sale}=28.8-(0.40*28.8)

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\text{Price of the hat after clearance sale}=17.28

Therefore, the clearance price is $17.28.

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