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Ber [7]
3 years ago
14

Solve the system of linear equations algebraically

Mathematics
1 answer:
Flura [38]3 years ago
4 0

17 would be x=3-y and y=3+x. 18 would be x=4-y/2 and y=2x+8.

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zalisa [80]

60 degrees is the answer

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Please help, having a hard time
rosijanka [135]

Answer:

The balcony seat costs $9,  the orchestra seat costs $9 + $6 = $15.

Step-by-step explanation:

Let x is the cost/price of one balcony seat, in dollars.

Then the cost of one orchestra seat is (x+6) dollars, according to the condtion.

The total cost of tickets is  

250x + 400*(x+6) = 8250.

Simplify it step by step.

250x + 400x + 2400 = 8250,

650x = 8250 - 2400 = 5850  ====>  x = 5850/650 = 9.

Answer.  The balcony seat costs $9,  the orchestra seat costs $9 + $6 = $15.

Check.   9*250 + 15*400 = 8250.  Correct.

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zysi [14]
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7 0
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a store marks up the merchandise it sells by 40%. If the regular price of the item WAS $25 how much is the store selling it for.
devlian [24]
So if the regular price of an item is 25 and the store is marking it up by 40%, then we have to multiply 25 by .4 to find out what 40% of 25 dollars is. 40% of 25 is 10 dollars. So now you just do 25 + 10 and you get 35. Answer: $35
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kifflom [539]

You would want to use the Keep, Change , Flip

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Step-by-step explanation:

(1/8) / 4

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answer: 1/32 or 0.03125

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