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rusak2 [61]
2 years ago
5

Solve the simultaneous equations x - 4y = 27 x - y = 9

Mathematics
1 answer:
choli [55]2 years ago
5 0

Answer:

Step-by-step explanation: x-4y=27

add 4 to 27

x=27+4y

x-y=9

add y to 9

x=9+y

hope it helps

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Real numbers are always rational numbers
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Yes, real numbers are always rational numbers
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2 years ago
Convert 2000 Swiss francs to Dutch guilders
Shtirlitz [24]

Answer:

2000 swiss francs equals 3920 Dutch Guilders!

Step-by-step explanation:

One Swiss Franc equals 1.96 Dutch Guilders. Having said this, we can come up with the following equation:

D = 1.96S

Where 'S' represents the swiss francs and 'D' the Dutch Guilders. Now, to convert 2000 Swiss francs, we just need to plug the value into the equation:

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4 0
3 years ago
Hadley buys 7 boxes of markers with 8
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Answer:

128

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7 0
3 years ago
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fenix001 [56]

Answer:

Step-by-step explanation:

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4 0
3 years ago
1 point
weeeeeb [17]

Answer:

The answer is 0.71 per ounce.

Step-by-step explanation:

You can use proportions to solve this.

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5 0
2 years ago
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