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Kipish [7]
3 years ago
11

Half of an orange juice mixture is orange concentrate. Explain why the ratio of orange concentrate to water is 1 : 1.

Mathematics
2 answers:
mars1129 [50]3 years ago
7 0
I need the answer to this as hell
sweet-ann [11.9K]3 years ago
6 0

Answer:  The explanation is given below.

Step-by-step explanation:  Given that half of an orange  juice mixture is orange concentrate.

We are to explain the reason behind the ratio of orange concentrate to water being 1 : 1.

Let x be the quantity of the total orange juice mixture.

Then, according to the given information, the orange concentrate in the mixture will be

q_o=\dfrac{1}{2}\times x=\dfrac{x}{2}.

The rest of the mixture will be water, of course. The quantity of water in the mixture will be

q_w=x-\dfrac{x}{2}=\dfrac{x}{2}.

Therefore, the ratio of orange concentrate to water is given by

r=q_o:q_w=\dfrac{x}{2}:\dfrac{x}{2}=\dfrac{\frac{x}{2}}{\frac{x}{2}}=\dfrac{1}{1}=1:1.

Thus, the ratio of  orange concentrate to water is 1 : 1.

Hence explained.

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Which matrix represents the system of equations shown below? 3x-5y=12 4x-2y=15
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Answer:

\left[\begin{array}{ccc}3&-5  &|12\\4&-2  &|15\\\end{array}\right]

Step-by-step explanation:

When making a matrix of two equations with the variables x and y, the result will be a matrix with three columns:

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since our system of equations is:

3x-5y=12\\ 4x-2y=15

we can see that the value for x in the first equation is 3 and in the second equation is 4, thus the first column will have the numbers 3 and 4:

\left[\begin{array}{ccc}3&&\\4&&\\\end{array}\right]

Now for the values of y we hvae -5 in the first equation and -2 in the second equation, we update the matrix with another column with the values of -5 and -2:

\left[\begin{array}{ccc}3&-5&\\4&-2&\\\end{array}\right]

Finally, the last column is the independent values of each equation (or the results) in the first equation that number is 12 and in the second equation is 15, thus the matrix is:

\left[\begin{array}{ccc}3&-5&12\\4&-2&15\\\end{array}\right]

usually there is a line separating the columns for the values of x and y, and the independent values:

\left[\begin{array}{ccc}3&-5  &|12\\4&-2  &|15\\\end{array}\right]

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