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horsena [70]
3 years ago
6

electricity has two different rates off peak is 10pm to 6am and charged at 8p per hour. peak is 6am to 10pm and is charged at 12

p per hour. alison turns uses electricity from 8pm to 11:30 pm. what is the dost of her electricity for that period
Mathematics
1 answer:
ICE Princess25 [194]3 years ago
6 0

Answer:

32p

Step-by-step explanation:

the times between 8pm and 11.30pm are:

8pm,9pm,10pm,11pm,11.30pm.

so, find the cost associated with each of them:

8pm: 12p

9pm: 12p

10pm: 12p

11pm:8p

11.30pm: 4p

sum:12+12+12+8+4 = 12 x 4 = 32p

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Ludmilka [50]

Answer: No, 40 months isn’t reasonable.

Step-by-step explanation:

For Shellie: 40*3 = 120 cm in 40 months

For Carley: 40*2 = 80cm in 40 months

Next we add the amount of hair they have already to the amount of centimeters would grow.

Shellie: 120+10 = 130cm

Carley: 80+20 = 100cm

So if the girls wanted to cut their hair at the exact length, 40 months isn’t a reasonable solution.

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3 years ago
Answer the questions below. write your pairs in the form of X,Y without quotes
erastovalidia [21]
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Answer:

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Step-by-step explanation:

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3 years ago
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Mamont248 [21]

Answer:

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Step-by-step explanation:

hope this helps

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3 years ago
Lisa says that 43 is a 2-digit odd number that is composite us she correct
kogti [31]
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SO answer is YES
7 0
3 years ago
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