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Alexxandr [17]
3 years ago
6

5x + 2y = 7

Mathematics
1 answer:
k0ka [10]3 years ago
3 0
5x + 2y = 7 . . . (1)
y = x + 1 . . . (2)
Putting (2) into (1) gives
5x + 2(x + 1) = 7 => 5x + 2x + 2 = 7 => 7x = 7 - 2 = 5 => x = 5/7
From (2) y = 5/7 + 1 = 12/7

Therefore, solution is {(5/7, 12/7)}
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Answer:

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Step-by-step explanation:

Given:

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Find:

Total money get from soda cans

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Total money get from soda cans = Number of soda cases x Number of soda can in each case x Price of each soda can

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2 years ago
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3 years ago
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MrRa [10]
Given:
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3 0
3 years ago
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Which of the following represents "four times the square of a number is thirty-six"?
Lapatulllka [165]

Answer:

Option (b) is correct.

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Step-by-step explanation:

 Given  expression "four times the square of a number is thirty-six"

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Consider the given expression  "four times the square of a number is thirty-six"

Then

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Therefore, "four times the square of a number is thirty-six" written mathematically as 4x^2=36

Option (b) is correct.

6 0
3 years ago
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