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-BARSIC- [3]
2 years ago
7

How can pascal's triangle be useful in finding probabilities? 30 point for thisss I need help

Mathematics
1 answer:
Dvinal [7]2 years ago
6 0

Answer: The coefficients of binomial expansions are calculated using Pascal's triangle.

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If QR=x+29 and PS=x–16, what is the value of x?
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Answer:

61

Step-by-step explanation:

By the triangle midsegment theorem, 2(SP)=RQ.

So, 2(x-16)=x+29, meaning x=61.

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9 times 10 to the fourth power
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3 years ago
The length of a rectangle is 2 cm more than four times the width. If the perimeter of the rectangle is 84 cm, what are its dimen
katovenus [111]

Answer:

Length 34 cm

Width 8 cm

Step-by-step explanation:

Let

x-----> the length of the rectangle

y----> the width of the rectangle

we know that

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P=84 cm

so

84=2(x+y)

42=x+y ----> equation A

x=4y+2 -----> equation B

substitute equation B in equation A and solve for y

42=(4y+2)+y

5y=42-2

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Find the value of x

x=4y+2 ----> x=4(8)+2=34 cm

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Width 8 cm

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The sum of three consecutive odd integers is 18
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Step-by-step explanation:

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