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andreyandreev [35.5K]
2 years ago
9

In a bag of oranges, the ratio of the good ones to the bad ones is 5:4. If the number of bad ones in the bag is 36, how many ora

nges are there altogether?
Mathematics
1 answer:
Advocard [28]2 years ago
5 0

5x - good ones

4x - bad ones

4x=36\\
x=9\\\\
5x=5\cdot9=45\\\\
45+36=81

<u>81</u>

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Answer: y=0,5x²-x-1,5.

Step-by-step explanation:

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We summarize (1) and (3):

2a+2c=-2\ |:2\\a+c=-1\ \ \ \ \Rightarrow\\a+b+c=-2\\(a+s)+b=-2\\-1+b=-2\\b=-1.

Substitute b=-1 into (2):

9a+3*(-1)+c=0\\9a-3+c=0\\9a+c=3\ \ (5).\\

From (5) subtract (4):

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<h3>How to determine the zeros of the function?</h3>

The function is given as:

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