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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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How many sides does a regular polygon have if each of its interior angles is 165 degree.
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Complete step-by-step answer:
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3 years ago
Arrange the following set of decimal numbers in order from smallest to largest.
Setler [38]

Answer:

Step-by-step explanation:

0.31=0.3100

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0.3100,0.4090,0.4140,0.4186

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6 0
3 years ago
What is the value of x?<br> A 5<br> B 2.5<br> C 7.5<br> D 10
RoseWind [281]

Answer:

A 5

Step-by-step explanation:

Parts on the left have the same ratio as parts on the right.

... x/(x+5) = (x -2)/(x +1)

Multiplying by (x+5)(x+1), we get

... x(x +1) = (x -2)(x +5)

... x² +x = x² +3x -10 . . . . eliminate parentheses

... 0 = 2x -10 . . . . . . . . . . subtract x²+x

... 0 = x -5 . . . . . . . . . . . . divide by 2

... 5 = x . . . . . . . . . . . . . . . add 5

3 0
3 years ago
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