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Paul [167]
2 years ago
7

two dice are rolled find the probability that the sum of the numbers appears on the upper face of dice is equal to 9​

Mathematics
1 answer:
olya-2409 [2.1K]2 years ago
5 0

Answer:

Step-by-step explanation:

Total outcome = 36

Total of 9 = {(6,3),(5,4),(4,5),(3,6)}

No. Of 9 = 4

Prob of 9 = 4/36 = 1/9

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MULTIPLE CHOICE
Nina [5.8K]

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Step-by-step explanation:

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3 0
2 years ago
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olasank [31]

Answer        

Find out the Area of a triangle .

To proof  

Formula

Area of Triangle

= \frac{1}{2}\times( {x_1(y_{2}-y_{3}) +x_{2}(y_{3} - y_{1})+x_{3}(y_{1}-y_{2})})

Now vertices are D(3, 3) , E(3, −1) , and F(−2, −5) .

= \frac{1}{2} (3\times(-1 +5) + 3\times(-5-3)-2\times(3+1))

Solving the above

= \frac{1}{2}(3\times4+3\times-8 -2\times4)

=\frac{1}{2} (12-24-8)\\ =\frac{1}{2} (-32+12)\\=\frac{1}{2} (-20)

= -10 units²

(Neglected the negative sign as area cannot be negative.)

= 10 units ²

Area of  a triangle is 10 units ²

Hence proved

6 0
3 years ago
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garri49 [273]

Answer:

28%

Step-by-step explanation:

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3 years ago
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What is the simplest form of (5x+2)(5x-2)
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Answer:

 

Step-by-step explanation:

6 0
1 year ago
Please help: Triangle ABC is similar to triangle PQR where
andre [41]
Explanation:




AB=7
AC=9
You are looking for R


7+9=16


So R is 16
6 0
2 years ago
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