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galina1969 [7]
2 years ago
9

Two teams, A and B, are about to play a game. Previous records show that A has an 80% chance of winning, while B has a 20% of wi

nning. Spectators can either choose to buy regular tickets or special tickets. A spectator with a special ticket will receive a refund of $2 if team A wins and a refund of $5 if team B wins. How much extra, minimally, should the special ticket cost to cover the expected value of the refunds offered?
A. $16.00
B. $2.60
C. $26.00
D. $3.00
E. $10
Mathematics
2 answers:
7nadin3 [17]2 years ago
8 0
The correct answer would be C
Artist 52 [7]2 years ago
7 0
99% sure it is E. $10
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What is the equation of the line that is perpendicular to the given line and has an x-intercept of -3?
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Answer:

y=-\frac{3}{2}x-\frac{9}{2}

Step-by-step explanation:

Let the equation of the perpendicular line is,

y = mx + b

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From the graph, slope of the line passing through (0, -1) and (3, 1),

m' = \frac{y_2-y_1}{x_2-x_1}

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m = -\frac{3}{2}

Equation of the perpendicular line will be,

y=-\frac{3}{2}x+b

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0 = -\frac{3}{2}(-3)+b

b = -\frac{9}{2}=-4.5

Equation of the line will be,

y=-\frac{3}{2}x-\frac{9}{2}

3 0
3 years ago
A department store is selling a watch with an initial price of 340. if the price of the watch is marked down by 35%, what is the
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$221

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