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gtnhenbr [62]
3 years ago
5

A bag contains six red marbles three blue marbles and five green marble the three marbles are drawn out of the bag what is the p

robability to the nearest one hundredth that all three marbles will be drawn red?
Mathematics
1 answer:
tia_tia [17]3 years ago
8 0

Answer:

Step-by-step explanation:

Red = 6

Blue = 3

Green = 5

Total = 14

First marble = 6/14  = 3/7  You now have 5 reds and 13 total

Second Marble = 5 * 13  which brings you down to 4 red and 12 total.

Third Marble = 4/12 = 1/3

Result

P(3 Red) = 3/7 * 5/13 * 1/3     cancel the 3s

P(3 Red) = 1/7 * 5/13

P(3 Red) = 5/91

P(3 Red) = 0.0549 . Rounding to the nearest 1/100 depends on what you have been told about rounding. I would say the answer is 0.05 but your teacher may say something different.

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joja [24]

Answer:

1.25 kg of icing sugar

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Step-by-step explanation:

300/12 x (weight of ingredient)

4 0
3 years ago
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a cylindrical vase has a diameter of 6 inches at the bottom of the vase there are 9 marbles each of diameter 3 inches the vase i
KiRa [710]

Answer:

<h2>The volume of water in the vase is 339.33 in^3</h2>

Step-by-step explanation:

To calculate the volume of water in the vase we need the following parameters

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2. the height /level of water in the vase

Given data

diameter d= 6 in

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height of water h= 12 in

we know that the expression for the volume of a cylinder is given as

volume=  \pi r^2h

Inserting our data we have

volume= 3.142*3^2*12\\\volume= 3.142*9*12\\\volume= 339.33 in^3

3 0
3 years ago
Giovanni spent a total of $13.75 bowling. He rented bowling shoes for $2.50 and bowled 3 games. Each game cost the same amount.
irina [24]
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2 years ago
Given that mCD=20°, find mBC
frosja888 [35]

Answer:

70°

Step-by-step explanation:

m\widehat {BC} = 90\degree - m\widehat {CD}

m\widehat {BC} = 90\degree -20\degree

m\widehat {BC} = 70\degree

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Answer:

12

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