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Vikki [24]
4 years ago
8

Every cereal box has a gift inside, but you cannot tell from the outside what the gift is. The store manager assures you that 13

of the 62 boxes on the shelf have the secret decoder ring. The other 49 boxes on the shelf have a different gift inside. If you randomly select two boxes of cereal from the shelf to purchase, what is the probability that BOTH of them have the secret decoder ring?
Mathematics
2 answers:
Brums [2.3K]4 years ago
8 0

Answer:

0.041 = 4.1%

Step-by-step explanation:

The probability the first box has a secret decoder ring is 13/62.

The probability the second box has a secret decoder ring is 12/61.

The probability of both is:

P = (13/62) (12/61)

P ≈ 0.041

gizmo_the_mogwai [7]4 years ago
6 0

Answer:

I'm pretty sure it is 7.4% or 0.074.

Step-by-step explanation:

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What's the difference between -40ft and 3000ft
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2960 ft.........is the difference between -40ft and 3000ft

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Maria is making a stained glass window in the form of a kite. the width of the window must be 15 in., and she only has enough st
NeTakaya
Kite Area = (Diagonal 1 * Diagonal 2) / 2
Diagonal 2 = 2 * Kite Area / Diagonal 1
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4 0
3 years ago
(6,3*10^-2)÷(2,1*10^4​
nexus9112 [7]

Answer:

  • 3*10^{-6} or 0.000003

Given expression:

  • (6.3*10^{-2}) : (2.1*10^4)

Simplify it in steps below:

  • (6.3*10^{-2}) : (2.1*10^4) =
  • (6.3 :2.1)*(10^{-2}:10^4)=
  • 3*(10^{-2-4})=
  • 3*10^{-6} or 0.000003

<u>Used properties:</u>

\cfrac{ab}{cd}=\cfrac{a}{c}*\cfrac{b}{d}

a^b:a^c=a^{b-c}

a^{-b}=1/a^b

7 0
2 years ago
Read 2 more answers
PLEASE HELP ME!!!!<br><br> (if you don’t know don’t answer)
Sergio039 [100]

Answer:

Here are my answers

hope this helps

Step-by-step explanation:

1. isosceles triangle

2.   3x + 15 = 90       x = 25

     x + 25 = 90        x = 65

     x + 55 = 90        x = 35

3. The size for DAB is 84

My reasoning is I went from one angle to another by subtracting 180 from my answers. For example angle 132 is supplementary to the missing angle next to it. I subtract 180 from 132 and get 48. That already solves the 2 equivalent angles in the triangle so I have 48+48+x = 180 because a full triangle equals 180. I get x = 84 then I do the same thing I did with angle 132. Angle 84 is supplementary to the missing angle next to it. I subtract 84 from 180 and get 96 then go diagonal from angle C (which is 96) to angle A. Those are supplementary so I subtract 96 from 180 and get 84.

3 0
3 years ago
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