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arlik [135]
3 years ago
11

The purpose of technology is to solve problems and meet needs. True False

Physics
1 answer:
BARSIC [14]3 years ago
4 0

The above given sentence is true reason being the use of Technology.

Explanation:

The basic purpose double technology is to make hard work easier and help in meeting the needs. Technology was being developed and is being upgraded so as to make some of the tasks, which were harder to do without it, easier.

Development of Technology has made the work easier and the needs are being met with an additional profit of saving time.

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a man uses a 900 watt electric iron to press his clothes for an average of 4 hours a week for five weeks if the cost of an elect
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Answer:

54 Kobo

Explanation:

Units of <u>electricity</u> are measured in kilowatt hours (kWh).

Given information:

  • 900 watt electric iron
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  • Unit cost of electricity = 3 Kobo per kWh

<h3><u>Step 1</u></h3>

Convert the wattage of the electric iron from watts to kilowatts.

1000 watts (W) = 1 kilowatt (kW)

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This means that the power consumption of the electric iron is 0.9 kW per hour of use.

<h3><u>Step 2</u></h3>

Total hours spent pressing clothes:

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<u>Total power consumption</u>:

= number of kW × number of hours

= 0.9 × 20

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<h3><u>Step 3</u></h3>

To find the <u>total cost</u>, multiply the total kWh by the cost per kWh:

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