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Vlad1618 [11]
3 years ago
12

here are 31 chocolates in a box, all identically shaped. There 9 are filled with nuts, 12 with caramel, and 10 are solid chocola

te. You randomly select one piece, eat it, and then select a second piece. Find the probability of selecting 2 nut candies. (Hint: not replaced)
Mathematics
2 answers:
Sergio [31]3 years ago
5 0

Answer:

roughly 25%

Step-by-step explanation:

JulijaS [17]3 years ago
5 0

Answer:

12/155.

Step-by-step explanation:

Prob (first being a nut) = 9/31.

Prob (2nd being a nut) = 8/30.

Required probability = 9/31* 8/30

= 72/930

= 12/155

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4 years ago
6 pounds of apples and 3 pounds of oranges cost 24 dollars.5 pounds of apples and 4 pounds of oranges cost 23 dollars. Set up a
vitfil [10]

Answer:cost of each pound of apple= $3

And cost of each pound of orange =$2

Step-by-step explanation:

Step 1

Let cost of apples = x

And cost of Oranges =y

Let 6 pounds of apples and 3 pounds of oranges cost 24 dollars be represented as

6 x + 3y= 24----- equation 1

Also, Let 5 pounds of apples and 4 pounds of oranges cost 23 dollars be represented as

5x+ 4y= 23----- equation 2

Step 2

6 x + 3y= 24----- equation 1

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Using substitution method to solve the equation

6 x + 3y= 24

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Y= 8-2x

Substituting the value of y= 8-2x  into equation 2

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Putting the value of x= 3 in equation 1 and solving to find y

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And cost of each pound of orange =$2

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