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2 years ago

Adele started her homework at 9:10. she finished at 9:45. how long did she spend on her homework?

Mathematics

2 answers:

Nadusha1986 [10]2 years ago

8 0

9:45-9:10=35
she spent 35 minutes

anygoal [31]2 years ago

6 0

She spent 35 minutes because 9:45 - 9:10 is 35.

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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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BabaBlast [244]

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see below

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