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Stels [109]
3 years ago
14

There are 4 romantic novels and 6 adventurous novels on a book shelf. Without looking, Carmen chooses two novels out of the shel

f. What is the probability that she chooses 2 romantic novels?
It is NOT \frac{4}{10}
Mathematics
1 answer:
Anna007 [38]3 years ago
5 0
The probability of choosing one romantic novel out of ten possible books is 4/10.

After that, one book is taken out of both the pile so the number of options decrease to 3/9 being romance novels.

Thus, you must multiply those two ratios to get an answer of 12/90.

......I think
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7 0
3 years ago
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6 0
2 years ago
Given A={x ∈ Z : x is even}, B={x ∈ Z : x is prime number}, C={x ∈ Z : x is odd}, and D={5, 7, 8, 12, 13, 15}.
Delvig [45]

Answer:

a) {15}

b) { }

c) D or {5, 7, 8, 12, 13, 15}

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a) AUB: even or prime

D - (AUB) = {15}

b) AUC: even or odd; basically all integers

D - (AUC) = { }

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6 0
3 years ago
CC=\frac{5}{9}(F - 32)
PSYCHO15rus [73]
The answer would be D I and II only

My work:
The only answer that has both statement I and statement II as true is D<span>, but if you have time and want to be absolutely thorough, you can also check to see if statement III is true </span>
5 0
3 years ago
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IrinaVladis [17]
Pythagorean theorm is a^2+b^2=c^2
so 10^2+ 24^2 =c^2
100+576=c^2
676=c^2
26=c
5 0
3 years ago
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