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vladimir2022 [97]
3 years ago
9

According to Greg, perfect cherry pies have a ratio of 240 cherries to 3 pies. How many cherries does Greg need to make 9 perfec

t cherry pies?
Mathematics
2 answers:
vfiekz [6]3 years ago
6 0
Simple, 3 goes in to 9, 3 times.  That would mean that to find the number of cherries, multiply 240 by 3.  Greg needs 720 cherries for 9 perfect cherry pies.
natka813 [3]3 years ago
5 0

Answer:

720

Step-by-step explanation:

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The <em><u>correct answer</u></em> is:

At least 7 times.

Explanation:

Since 10% of the water in the jug is removed each time, this means that 100-10=90% of the water remains.

After two times, we would have 0.9(0.9) = 0.81 = 81% of the water; each time she pours, the number of times 0.9 is multiplied by itself changes.  This makes this an exponential inequality (it is not an equation, as we want "less than half of the water"):

0.5 < 0.9^x

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\log_{0.9}(0.5)

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Step-by-step explanation:

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A study of the US clinical population found that 24.1% are diagnosed with a mental disorder, 14.9% are diagnosed with an alcohol
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Answer:

a) 0.336

b) 0.207

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

We solve this problem building the Venn's diagram of these probabilities.

I am going to say that:

A is the probability that a person from the clinical population is diagnosed with mental disorder.

B is the probability that a person from the clinical population is diagnosed with alcohol related disorder.

We have that:

A = a + (A \cap B)

In which a is the probability that a person is diagnosed with mental disorder but not alcohol related disorder and A \cap B is the probability that a person is diagnosed with both of these disorders.

By the same logic, we have that:

B = b + (A \cap B)

We find the values of a,b and the intersection, starting from the intersection.

5% are diagnosed with both disorders.

This means that A \cap B = 0.05

14.9% are diagnosed with an alcohol-related disorder

This means that B = 0.149

So

B = b + (A \cap B)

0.149 = b + 0.05

b = 0.099

24.1% are diagnosed with a mental disorder

This means that A = 0.241

So

A = a + (A \cap B)

0.241 = a + 0.05

a = 0.203

(a) What is the probability that someone from the clinical population is diagnosed with a mental disorder, knowing that the person is diagnosed with an alcohol-related disorder?

Desired outcomes:

Mental and alcohol-related disorders, which A \cap B. So D = 0.05

Total outcomes:

Alcohol-related disorder, which is B. So T = 0.149

Probability:

P = \frac{0.05}{0.149} = 0.336

(b) What is the probability that someone from the clinical population is diagnosed with an alcohol-related disorder, knowing that the person is diagnosed with a mental disorder?

Desired outcomes:

Mental and alcohol-related disorders, which A \cap B. So D = 0.05

Total outcomes:

Mental disorder, which is B. So T = 0.241

Probability:

P = \frac{0.05}{0.241} = 0.207

4 0
3 years ago
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