3 years ago

The Sum of 8 and 7 doubled

Mathematics

2 answers:

Zina [86]3 years ago

6 0

30 because you add 8 and 7 then add it by itself or multiply it by 2

coldgirl [10]3 years ago

3 0

Well, seven plus eight is fifteen. And fifteen plus fifteen in thirty, so 30 is your answer. ( :

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A travel website sells tickets to a city for two airlines. Among those buying tickets, 20% fly airline A, and 80% fly airline B.

Naddika [18.5K]

Answer:

The expected revenue of an airline ticket sold by this travel website is $408

Step-by-step explanation:

For the revenues per ticket we have;

airline A; 600

airline B; 360

For the probability of choosing the airlines we have;

airline A; 20% = 0.2

airline B; 80% = 0.8

Therefore, the expected revenue of an airline ticket sold by this travel website is;

600(0.2) + 360(0.8) = 408

Therefore, the expected revenue of an airline ticket sold by this travel website is $408

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3 years ago

Read 2 more answers

Which fraction can be expressed as a non-terminating decimal?

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Answer:

$\frac{7}{9} = 0.777777 ..$

$\frac{1}{3} = 0.33333..$

Step-by-step explanation:

<u><em>Explanation:-</em></u>

Non -terminating decimals are the one that does have an end term. it has infinite number of terms

Example :-

$\frac{7}{9} = 0.777777 ..$

$\frac{1}{3} = 0.33333..$

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2 years ago