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babunello [35]
3 years ago
15

What is the perimeter of an Olympic size swimming pool

Mathematics
2 answers:
Sauron [17]3 years ago
4 0
150 is the perimeter of the pool
Vesna [10]3 years ago
4 0
150 is the answer
Hope this helps
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Lee watches TV for 2 hours per day. During that time, the TV consumes 250 watts per hour. Electricity costs (10 cents)/(1 kilowa
vladimir1956 [14]

Answer:

$1.5

Step-by-step explanation:

Lets us first calculate energy consumed by TV in 30 days.

Energy consumed by TV in one hour : 250 watts.

TV operated 2 hours a day

so energy consumer by TV in a day = 250 * 2 watts = 500 watts hour

Energy consumed by TV in 30 day = energy consumer by TV in a day * 30

         = 500*30 watts = 15,000 watt-hour

Convert total energy consumed in kilo watt hour  

we know that one kilowatt hour = 1000 watt-hour

Thus, 15,000 watt-hour = 15,000/1000 kilowatt-hour = 15 kilowatt-hour

________________________________

cost of electricity = 10 cents per   kilowatt-hour

cost of electricity for 15 kilowatt-hour = 15* cost of electricity for one  kilowatt-hour( which is 10 cents)

=>15*10 = 150 cents

As $1 = 100 cents

hence 150 cents = $150/100 = $1.5 .

Thus, it cost $1.5 to to operate for a month of 30 days.

6 0
3 years ago
What is the difference between 4x and x4? Evaluate both of these expressions when X=2
Bezzdna [24]
There is no difference because 4•2 and 2•4 is the same you are going to get the same answer either way
7 0
3 years ago
Read 2 more answers
How many elements must a set have if the number of proper subsets of the set is one half of the total number of subsets of the​
lora16 [44]
The set  X = { x , {x} }  would, I think,  fit the Bill
So its 2 elements
6 0
3 years ago
After allowing 20percent discount and levying 13percent vat the value of a watch will be rs 904 what is the marked price of watc
Eddi Din [679]

9514 1404 393

Answer:

  ₹1000

Step-by-step explanation:

Let m represent the marked price. After the discount, the price is 0.80m. After the tax is added, the price is (0.80m)(1.13). This value is Rs 904, so the marked price is ...

  (0.80m)(1.3) = ₹904

  m = ₹904/(0.80×1.13) = ₹904/0.904

  m ≈ ₹1000

The marked price of the watch is ₹1000.

5 0
3 years ago
What number can I put in the denominator?<br> 1<br> 8<br> 7
Zigmanuir [339]

Answer:

The LCD denominator is 1

Step-by-step explanation:

4 0
3 years ago
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