Mathematics: Patty prepared a simple salt solution using 3 parts salt and 4 parts water. Timmy made a salt solution using 6 parts salt and 7 parts water, Whose salution is saltier?

Patty prepared a simple salt solution using 3 parts

Ответ:

reginagotredhair

01.02.2022

The solution of Timmy is saltier.

Step-by-step explanation:

We have to keep in mind that a solution is saltier if and only if salt has a greater proportion within solution. The following criterion is used to determine which solution is saltier:

$r = \frac{n_{salt}}{n_{salt}+n_{water}}$

Where:

- Salt ratio, dimensionless.

$n_{salt}$ - Parts of salt, dimensionless.

$n_{water}$ - Parts of water, dimensionless.

Now, we find the salt ratios of Patty and Timmy:

Patty ( $n_{salt} = 3$ and $n_{water} = 4$ )

$r_{P} = \frac{3}{3+4}$

$r_{P} = \frac{3}{7}$

$r_{P} = 0.429$

Timmy ( $n_{salt} = 6$ and $n_{water} = 7$ )

$r_{T} = \frac{6}{6+7}$

$r_{T}= \frac{6}{13}$

$r_{T} = 0.462$

The solution of Timmy is saltier.

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Ответ:

aide1234564

16.03.2021

Mathematics

The graph of y = 4x - 3 is reflection of the graph of y = (-4x + 3) in the x axis

Step-by-step explanation:

We are told that y = -4x + 5.

This means that the graph of y = -4x + 5 - 2 = -4x + 3 shifts upwards by 2 units.

So the graph of y = -4x + 5 is the graph of y = -4x + 3 shifted upwards by 2 units.

Now, since it is reflected, it means that the graph of y = -(-4x + 3) = 4x - 3 is reflection of the graph of y = (-4x + 3) in the x axis

Therefore, the graph of y = 4x - 3 is reflection of the graph of y = (-4x + 3) in the x axis

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Patty prepared a simple salt solution using 3 parts salt and 4 parts water. Timmy made a salt solution using 6 parts salt and 7 parts water, Whose salution is saltier?

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