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AVprozaik [17]
3 years ago
11

It cost $8.31 to power one laptop computer for one year. How much does it cost to power 10 for one week.

Mathematics
1 answer:
svp [43]3 years ago
5 0

Answer:

$1.60

Step-by-step explanation:

1 year have 52 weeks.

8.31/52=0.16

0.16*10= 1.60

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Select the prime number <br><br> 73, 74, 75, 76, 77
Juli2301 [7.4K]

Answer:

75 is the prime number if I am correct

3 0
2 years ago
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Linda planned to spend 9 hours practicing piano this week. By tuesday,she had spent 2 1/2 hours practising. How much longer does
faust18 [17]

Just subtract 9:00-2:30 so your answer should 6 hours and 30 minutes or 6 1/2 hours

5 0
3 years ago
Solve this equation <br> 6. 14=t -44
Marizza181 [45]

Are you solving for t?

5 0
3 years ago
You purchase 26 parking hours that you can use the next month to park your food truck at the fair. Weekday hours park $2 per hou
ICE Princess25 [194]

Answer:

Number of week day hours purchased  is 5

Step-by-step explanation:

Total number of Parking hours purchased = 26 parking hours

Parking cost on weekdays = $2 per hour

Parking costs on weekends = $10 per hour

Total amount spent on parking =  $220.

To Find:

Number of week days purchased = ?

Solution:

Let  

The number of week days purchased be x

The number of weekends purchased be  y

We know that the total hours purchased is 26

So,

x+y = 26

y = 26-x------------------------------------------------------(1)

Now the total cost is 220

(Total number of weekdays X cost per weekday ) +(Total number of weekends + cost per weekend) =220

Substituting the values

=>x\times 2 + y \times 10 = 220

=>x \times 2 + (26-x) \times 10 =220

=>2x + 260 -10x =220

=>260 -8x = 220

=>260 -220 =8x

=>40 = 8x

=>x=\frac{40}{8}

x= 5-------------------------------------------(2)

Now substituting (2) in (1) we get

y= 26-5

y= 21

7 0
3 years ago
Line t passes through points (10, 4) and (7, 9). Line u is parallel to line t. What is the slope of line u?
Margarita [4]

Answer: 3/5

Step-by-step explanation:

concept to know: the slope of perpendicular line is always opposite reciprocal

----------------------

Step 1. Find the slope of line t

 (y2-y1)/(x2-x1)

=(4-9)/(10-7)

=-5/3

-------------------

Step 2. Apply the concept

Opposite reciprocal of (-5/3)=3/5

Hope this helps!! :)

Please let me know if you have any question

7 0
3 years ago
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