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Katarina [22]
3 years ago
7

Find all missing angles​

Mathematics
1 answer:
Ilia_Sergeevich [38]3 years ago
8 0

Answer:

5 is 131, 4 is 49, 3 is 115, 2 is 85, 1 is 78

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in a hotel ,100 bulbs each of 60W are lightened for 6 hours a day and 40 fans each of 50Wvate run for 10 hours a day . calculate
alekssr [168]

Answer:

1680 kwhr

Step-by-step explanation:

See attached for explanation.  I converted watt*hr to kW*hr by dividing by 1000.

Fans Bulbs  

 40         100  

 50          60      W

  10            6       hours/day

20000 36000 W*hr/day

 30          30 days/month

600000 1080000    W*hr/month

  600      1080   kWhr/month

 

Total = 1680 kWhr/month

5 0
2 years ago
Simplify 15 to the 18th power over 15 to the 3rd power.
worty [1.4K]
The rule for quotients of similar bases with different exponents is:

(a^c)/(a^b)=a^(c-b)  in this case:

15^18/(15^3)=15^15


3 0
3 years ago
How would you re-write the expression "4 times the sum of 14 and 26?"
Nimfa-mama [501]
4x14+26 (40x4) = 1600
5 0
3 years ago
Read 2 more answers
What is the sum of the reciprocals of all of the positive integer factors of 18? Express your answer as a common fraction.
AlexFokin [52]

Answer:

39/18 = 13/6 = 2 1/6

Step-by-step explanation:

factors are 1,2,3,6,9,18

so the reciprocals are

1/1, 1/2, 1/3, 1/6, 1/9, 1/18

when added the sum is 39/18 or 2 1/6

4 0
3 years ago
How many more miles is it to travel to Jakarta then to London
Tcecarenko [31]
It all depends where you start from, and what route you take.

For me, if I take the shortest possible route, then it's 3,956 miles to London
and 9,809 miles to Jakarta.  So for me, Jakarta is 5,853 miles farther.

But if you're starting from, say, Singapore, then London is 6,192 miles
farther away than Jakarta.
8 0
3 years ago
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