3 years ago

What is the opposite of 5x2 - 7x+3?

Mathematics

2 answers:

labwork [276]3 years ago

7 0

Answer:

wait im confused - can you rewrite it?

Dmitry_Shevchenko [17]3 years ago

5 0

Answer:

what do you mean?

Step-by-step explanation:

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Step-by-step explanation:

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aalyn [17]

Answer:

If a person is randomly selected from this group, the probability that they have both high blood pressure and high cholesterol is P=0.25.

Step-by-step explanation:

We can calculate the number of people from the sample that has both high blood pressure (HBP) and high cholesterol (HC) using this identity:

$N(\text{HBP or HC})=N(\text{HBP})+N(\text{HC})-N(\text{HBP and HC})\\\\\\ N(\text{HBP and HC})=N(\text{HBP})+N(\text{HC})-N(\text{HBP or HC})\\\\\\ N(\text{HBP and HC})=15+25-30=10$

We can calculate the probability that a random person has both high blood pressure and high cholesterol as:

$P(\text{HBP and HC})=\dfrac{10}{40}=0.25$

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