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Bumek [7]
3 years ago
9

Based on the records for the past several​ seasons, a sports fan believes the probability the red team wins is 0.45. The fan als

o believes the probability the blue team wins is 0.40. In a season with 180 ​games, how many more games should the fan expect the red team to​ win?
Mathematics
2 answers:
Basile [38]3 years ago
8 0

Answer:

8

Step-by-step explanation:

miskamm [114]3 years ago
6 0

Answer:

9 more games

Step-by-step explanation:

180x.45=81 wins for the red team

180x.4=72 wins for the blue team

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bekas [8.4K]

Answer:

x = \sqrt{30}

Step-by-step explanation:

Using the Altitude- on- Hypotenuse theorem

(leg of Δ ABC )² = (part of hypotenuse below it ) × ( whole hypotenuse )

x² = 3 × (3 + 7) = 3 × 10 = 30 ( take the square root of both sides )

x = \sqrt{30}

7 0
3 years ago
Show that 2x +1 is a factor of 2x3 +5x2+4x+1 and factories completely
larisa [96]

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\text{Now,}\\\\f(x) = 2x^3 +5x^2 +4x +1 \\\\~~~~~~=2x^3+x^2 +2x^2 +2x +2x+1\\\\~~~~~~=x^2(2x+1)  +2x(2x+1) +  (2x+1)\\\\~~~~~~=(2x+1)(x^2 +2x +1)\\\\~~~~~~=(2x+1)(x+1)^2

3 0
2 years ago
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Sedbober [7]

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Step-by-step explanation:

The pattern is to multiply each consecutive term by (-6).  Understand that a negative number times a positive number is a negative number (eg: 5 x - 6 = -30).

A negative number times a negative number is a positive number

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Hope this helps.

5 0
3 years ago
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Naily [24]

Answer:

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5 0
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x + 5 = 13
x = 13-5
x = 8

He bought 8 notebooks and 5 book covers
8 0
3 years ago
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