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fgiga [73]
3 years ago
5

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

the total electricity consumed in a month​
Mathematics
1 answer:
alekssr [168]3 years ago
5 0

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

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In a city the population is increasing exponentially at a rate of 1.6% per year.
SCORPION-xisa [38]

Answer:

37.36%

Step-by-step explanation:

Each year it increases 1.6%.

So year 1 it increases (1+1.6%), year 2 increases (1+1.6%)^2 and so on...

so after 20 years, overall increase is found by 1.016^20 = 1.3736 or increase of 37.36%

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3 0
3 years ago
Read 2 more answers
12, 21, 30 and 39 are the first four terms in a sequence
vivado [14]

Answer:

12, 21, 30, 39, 48, 57, 66, 75, 84.  

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Step-by-step explanation:

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So, using this rule, we can do......

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<em>Remember to add 9 each time!</em>

Best of luck :3

4 0
3 years ago
How do you raise s to the 4th power ​
s344n2d4d5 [400]
You do s•s•s•s if you told me the value of s i could tell you the actual answer
6 0
3 years ago
-17x + 2 +3x^2 + 2x^3 divided by x-2
Stells [14]

Answer:

2x^2+7x-3

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6 0
3 years ago
How do you do it?I'm lost
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Answer and Step-by-step explanation:

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Now what you do is use the translation on all of these values.

Q's x and y turns into -6 , 2 (subtracted 7 to the 1 and added 1 to the 1)

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4 0
3 years ago
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