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Annette [7]
3 years ago
13

49. Dave invests 8000 in the stock market only to see his shares plummet in value to 2020.

Mathematics
2 answers:
Bingel [31]3 years ago
8 0
1,940 is your answer i hope that helped you
N76 [4]3 years ago
6 0
1,940 is the absolute value amount
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Answer: the answer is -2

Step-by-step explanation: use slope formula

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A track star runs two races on a certain day. The probability thathe wins the first race is 0.7, the probability that he wins th
NARA [144]

Answer:

a) 80% probability that he wins at least one race.

b) 30% probability that he wins exactly one race.

c) 20% probability that he wins neither race.

Step-by-step explanation:

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

I am going to say that:

A is the probability that he wins the first race.

B is the probability that he wins the second race.

C is the probability that he does not win any of these races.

We have that:

A = a + (A \cap B)

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By the same logic, we have that:

B = b + (A \cap B)

The probability that he wins both races is 0.5.

This means that A \cap B = 0.5

The probability that he wins the second race is 0.6

This means that B = 0.6

B = b + (A \cap B)

0.6 = b + 0.5

b = 0.1

The probability that he wins the first race is 0.7.

This means that A = 0.6

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0.7 = a + 0.5

a = 0.2

A) he wins at least one race.

This is

P = a + b + (A \cap B) = 0.2 + 0.1 + 0.5 = 0.8

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B) he wins exactly one race.

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P = a + b = 0.2 + 0.1 = 0.3

There is a 30% probability that he wins exactly one race.

C) he wins neither race

Either he wins at least one race, or he wins neither. The sum of these probabilities is 100%.

From a), we have that there is an 80% probability that he wins at least one race.

So there is a 100-80 = 20% probability that he wins neither race.

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3 years ago
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Mazyrski [523]
28% of 1.00 = 28
To get your answer, multiply .28 * 100.
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dsp73

Answer:

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Step-by-step explanation:

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3.5 = x-2

Add 2 to each side

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