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Sloan [31]
3 years ago
7

Rewrite 7 − 8 using the additive inverse

Mathematics
1 answer:
DedPeter [7]3 years ago
7 0

Answer:

-8 + 7

Step-by-step explanation:

7 - 8 = -1

-8 + 7 = -1

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It is -11.3

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Find the slope given (2,7) and (4,4)
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<h3>Answer:</h3>

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What’s is 17 subtract 75
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2 years ago
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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
30-4 and 2/7=25 and 5/7

ok so then we have
25 and 5/7 days is 17 hours and
4 and 2/7 days is 15 hours
so just multipy them and add

25 and 5/7 times 17=437.143 hours
4 and 2/7 days times 15 =64.2857
add

437.143+64.2856=501.429
so aprox 501.429

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
8 0
2 years ago
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