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tresset_1 [31]
3 years ago
11

Solve for the values of x and y.

Mathematics
1 answer:
Alekssandra [29.7K]3 years ago
8 0

Answer:

x = 20

y = 7.2

Step-by-step explanation:

12/x = 9/15

9x = 180

x = 20

12/x= y/12

12/20 = y/12

144 = 20y

y = 7.2

y = 20

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Answer:

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Step-by-step explanation:

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7x1=7

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A family buys 5 airline tickets online. The family buys travel insurance that costs ​$17 per ticket. The total cost is ​$890. Le
timurjin [86]

Answer:  Equation that represents this situation is 5(x+17) = 1495,

Price of one ticket is 282

Step-by-step explanation:

Here x represents the price of one ticket,

Also, a person bought travel insurance that costs $17 per ticket.

Hence, the total cost of a person = x + 17

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But, According to the question,

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3 years ago
Let V be the event that a computer contains a virus, and let W be the event that a computer contains a worm. Suppose P(V) = 0.17
ArbitrLikvidat [17]

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P(V^{C})= 1-P(V) = 1-0.17 = 0.83

P(W^{C})=1-P(W) = 1-0.05 = 0.95

Since V^{C} and W^{C} aren't mutually exclusive events, then:

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Isolating the probability that interests us:

P(V^{C}∩W^{C})= P(V^{C}) + P(W^{C}) - P(V^{C}∪W^{C})

Where P(V^{C}∪W^{C}) = 1 - 0.04 = 0.96

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P(V^{C}∩W^{C}) = 0.83 + 0.95 - 0.96 = 0.82

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schepotkina [342]
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