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Vlad1618 [11]
3 years ago
6

If you roll two fair sided dice what is the probability that at least one die shows a 3

Mathematics
1 answer:
kobusy [5.1K]3 years ago
8 0
<h3>✽ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ✽</h3>

➷ The probability of one die showing a 3 is 1/6

Therefore the probability of the die not showing a 3 is 5/6

As it is 'at least one', you would have to multiply these together:

1/6 x 5/6 = 5/36

As there are 2 dice, you would multiply this value by 2:

5/36 x 2 = 10/72

However, as it is at least one, both could also land on 3

1/6 x 1/6 = 1/36

Add these two fractions together:

10/72 + 1/36 = 1/6

The answer is 1/6

<h3><u>✽</u></h3>

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ ʜᴀɴɴᴀʜ ♡

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A cone with diameter 18 millimeters and height 11 millimeters.
bogdanovich [222]

Hello! :)

<h2>Answer:</h2>

All of the following statements about the cone are true.

2.) The radius is 9 mm.

3.) The base area is calculated using the radius.

4.) The volume is one-third the volume of a cylinder with the same height and diameter.

5.) The volume of the cone is 297 pi millimeters cubed.

<h2>Explanation:</h2>

The radius is always half the diameter, which is why the first choice is false, and the second choice is true.

When calculating the base, you need to use the radius. This means the third choice is true. The formula for the base area is πr^{2}

Volume of the cone:

V = \frac{1}{3}πr^{2}h

  = \frac{1}{3} × π × 9^{2} × 11

  = 933.052233 mm²

Volume of a cylinder with the same height and diameter:

V = πr^{2}h

  = π × 81 × 11

  = 891π

  = 2799.15669 mm²

2799.15669 ÷ 3 = 933.052233

Option four is true.

297 × π = 933.05223 This is true.

4 0
3 years ago
Read 2 more answers
Can someone pls help me I’m so confused!!! :(
Naddika [18.5K]

Answer:

u = 150

Step-by-step explanation:

Number of vertices:

10

Find the sum of the interior angles:

180(n - 2)

180(10 - 2)

180(8)

1440

To find u:

u = 1440 - (130 + 145 + 160 + 150 + 130 + 150 + 125 + 155 + 145)

u = 1440 - (1290)

u = 150

4 0
3 years ago
Three cards are selected at random without replacement from a well-shuffled deck of 52 playing cards. Find the probability of dr
Lostsunrise [7]
<span>There are 4 suit ,, hearts , Diamonds , clubs , Spades 

then the 3 cards may be from the 1st OR 2nd OR 3rd OR 4th 

<span>p(A)=4*(13C3)/(52C3)=0.0517 Or 5.17% 

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
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7 0
3 years ago
Subtract 9x2 + 73 – 2 from 8x – 10.
mrs_skeptik [129]

Answer:

8x-99

Step-by-step explanation:

18+73-2+16+73=89

8x-10 - 89 = 8x-99

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1/4 cupcakes for 28 kids
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