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2 years ago

2) Rachel wanted to drink exactly three bottles of water each day, so she bought twenty-six

Mathematics

2 answers:

lesya [120]2 years ago

8 0

Answer:

Step-by-step explanation:

Twenty-Six is not a multiple of three so you know it won't be 26. Counting by threes goes 3, 6, 9, 12, 15, 18, 21, 24, 27, 30. Twenty-seven is the closest number to 26 which is higher than 26. Twenty-six + 1 = 27. That means that 1 is the answer.

Anarel [89]2 years ago

4 0

Answer:

1 bottles and the last day

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ad-work [718]

Answer:

Solving the given linear system, we get x = 1 and y = -3.

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Step-by-step explanation:

We need to solve the linear system of equations.

$3x-y=6 \\y=x-4$

We can write second equation y=x-4 as: $-x+y=-4$

Let:

$3x-y=6--eq(1)\\ -x+y=-4--eq(2)$

Now, Adding equation 1 and 2

$3x-y=6\\ -x+y=-4\\--------\\2x+0y=2\\2x=2\\x=\frac{2}{2}\\x=1$

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Now, put value of x in second equation to find value of y:

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So, we get y = -3

Solving the given linear system, we get x = 1 and y = -3.

The solution set is: (1,-3)

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lina2011 [118]

Answer:

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