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bazaltina [42]
3 years ago
7

Name the property illustrated be each statement. If t - 13 = 52, then 52 = t - 13

Physics
2 answers:
sweet [91]3 years ago
8 0

Answer:

Commutative

Explanation:

In a binary operation the commutative property states that the order of the operations does not matter For, example a + b is equal to b + a. So, it does not matter if we add b to a first or a to b first i.e., the order does not matter. The statement shown here is

If t - 13 = 52, then 52 = t - 13 is displaying the commutative property.

Natali5045456 [20]3 years ago
3 0
The property illustrated to each statement is commutative because it shows that for some value of t both statements are equal. 
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VMariaS [17]

Initially there were 10 bulbs of 60 Watt power

So total power of all bulbs = 60 * 10 = 600 W

now each bulb used for 4 hours daily

so total energy consumed daily

E = P * t

E = 600 * 4 = 2400 Wh

E = 2.4 kWh

now we have total power consumed in 1 year

E = 365 * 2.4 = 876 kWh

cost of electricity = 10 cents/ kWh

so total cost of energy for one year

P_1 = 876 * 10 = 8760 cents = $87.60

Now if all 60 Watt bulbs are replaced by 30 Watt bulbs

So total power of all bulbs = 30 * 10 = 300 W

now each bulb used for 4 hours daily

so total energy consumed daily

E = P * t

E = 300 * 4 = 1200 Wh

E = 1.2 kWh

now we have total power consumed in 1 year

E = 365 * 1.2 = 438 kWh

cost of electricity = 10 cents/ kWh

so total cost of energy for one year

P_1 = 438 * 10 = 4380 cents = $43.80

total money saved in 1 year

Savings = 87.6 - 43.8 = $43.80

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3 years ago
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-Dominant- [34]

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sound water because sound is the most important electronic wave for water

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If a pitcher throws a baseball 10 m in 30 seconds - what would be the average speed?
allsm [11]

Answer:

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IRISSAK [1]

Explanation:

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Hello there.

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