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pychu [463]
3 years ago
6

Some people advise that in very cold​ weather, you should keep the gas tank in your car more than half full. Lou​'s car had 6.2

gallons in the 14​-gallon tank on the coldest day of the year. Lou filled the tank with gas that cost ​$3.70 per gallon. How much did Lou spend on​ gas?
Mathematics
1 answer:
zlopas [31]3 years ago
4 0

Answer:

It will cost Lou $28.86 to fill the tank

Step-by-step explanation:

Lou's tank holds 14 gallons.  It has 6.2 gallons in it.  

14- 6.2  = 7.8

Lou can put in 7.8 gallons to fill it.

7.8 gallons and $3.70

7.8 * 3.7 = $28.86

It will cost Lou $28.86 to fill the tank

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The school is planning a field trip to the science center. Tickets are originally $28, but school
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3 years ago
Real estate ads suggest that 56 % of homes for sale have​ garages, 27 % have swimming​ pools, and 16 % have both features. ​a) W
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a) 0.4

b) 0.28

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d) The events are not mutually exclusive

Step-by-step explanation:

Hi!

Lets call:

Gar = {homes with garage}

Pool = {homes with pool},  

A = {homes with pool and garage}  = Gar ∩ Pool

The data we are given is:

P(Gar) = 0.56

P(Pool) = 0.27

P(A) = 0.16

a) B = {homes with garage but not pool}. This set B is the set Gar without set A: B = Gar / A  

P(B) = P(Gar) - P(A) = 0.4

b) This is a conditional probability:

P(Pool | Gar) = P(Gar ∩ Pool) / P(Gar) = 0.16/0.56 = 0.28

c) To be independent events, it must be, by definition:

P(Gar ∩ Pool) = P(Gar) * P(Pool)

0.16 ≠ 0.56*0.27 = 0.15

Then, the events Gar and Pool are not independent

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4 years ago
What is the measure of angle AOC? I need help pleaseeee
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Hey there!
Hope this may help you!
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