18.) thanks for ya help

Mathematics

1 answer:

stiv31 [10]4 years ago

5 0

Your answer is the relation is not a function as it doesn't pass the vertical line test. This means every x-value as one and only one corresponding y-value. There are two different y-values at x = 1.

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A library is open til' 5:00 P.M. On Wednesdays, the library closes 2 hours early. How many hours for a month is the library open

svet-max [94.6K]

So
if you assume that the month has 30 days and that the library opens at midnight, then
24 hours in a day
5 pm=12+5=17 hours
on wednessday=17-2=15 hours
wednessday=1/7 of week
so we find 1/7 of 30 which is 30/7=4 and 2/7
then subtract that from 30
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ok so then we have
25 and 5/7 days is 17 hours and
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4 and 2/7 days times 15 =64.2857
add

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the real equation is $[(\frac{1}{7})(n)(15)]+[ (\frac{6}{7}) (n)(17)]=hours$ where n represents the number of days in the month

apros 501.429

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Answer:

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