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andrezito [222]
3 years ago
5

What is the square root of -1?-iI-11​

Mathematics
2 answers:
vova2212 [387]3 years ago
7 0

Answer:

square root(-1) =  i

Step-by-step explanation:

ira [324]3 years ago
4 0

Answer:

-1

Step-by-step explanation:

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There are 30 marbles in a bag. 24 of them are blue. What percentage of the marbles are blue?
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80%

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In its monthly report, the local animal shelter states that it currently has 24 dogs and 18 cats available for adoption. Eight o
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Answer with Step-by-step explanation:

We are given that

Total dogs=24

Total cats=18

Total animals=24+18=42

Male dogs=8

Male cats=6

Total male animals=8+6=14

Total female animals=42-14=28

Female cats=18-6=12

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a.We have to find the probability that the pet is male, given that it is cat.

It means we have to find P(Male/cat)  

Conditional probability: P(A/B)=\frac{P(A\cap B)}{P(B)}

P(Cat)=\frac{18}{42}

P(male cat)=\frac{6}{42}

P(Male/cat)=\frac{\frac{6}{42}}{\frac{18}{42}}

P(male/cat)=\frac{6}{18}=0.33

b.P(female cat)=\frac{12}{42}

P(female)=\frac{28}{42}

P(Cat/Female)=\frac{\frac{12}{42}}{\frac{28}{42}}=\frac{12}{28}=0.43

c.P(Dog)=\frac{24}{42}

P(dog female)=\frac{16}{42}

P(female/dog)=\frac{\frac{16}{42}}{\frac{24}{42}}

P(female/dog)=\frac{16}{24}=0.67

5 0
3 years ago
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