7/9 x (-5/7) Write as fraction :)
1 answer:
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Answer:
No real roots
Step-by-step explanation:
The given equations are:
We make y the subject in the first equation to get
We substitute into the second expression to get:
We expand to get:
Multiply through by 4 to get:
The discriminant is given by
Since the discriminant is less than zero, the two curves never intersects.
Therefore the system has no real roots
The amount of salt is in the 350 g of feta cheese, when there is 35% of salt is in cheese, is 122.5 grams.
<h3>What is percentage of a number?</h3>Percentage of a number is the part of the whole number which is expressed in the fraction of hundredth. It is represented with "%" symbol.
35% of salt is in feta cheese. The percentage of salt is in that 350 g cheese has to be found out.
Let suppose there is x grams of slat in feta cheese of 350 g. Thus, the amount of salt (35% of 350) is,
Thus, the amount of salt is in the 350 g of feta cheese, when there is 35% of salt is in cheese, is 122.5 grams.
Learn more about the percentage here;
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