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julsineya [31]
3 years ago
10

5. Which two expressions are equivalent?

Advanced Placement (AP)
1 answer:
vekshin13 years ago
7 0

Answer:

C

Explanation:

You can simplify (y*2) to (2y)

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Read the following passage carefully before you choose your answer.
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A capacity of wind farm is 3 gigawatts (GW). Assuming that the power plant can operate at full capacity for 5,000 hrs/yr, how ma
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1.5x10^10 KWh

Explanation:

Data obtained from the question include:

Power (P) = 3GW

We need to convert 3 gigawatts (GW) to Kilowatts (KW) in order to obtain the desired result. This is illustrated below:

1 GW = 1x10^6 KW

Therefore, 3 GW = 3x10^6 KW

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Energy (E) =?

Power is simply the amount of energy transferred per unit time. It can be expressed mathematically as:

Power (P) = Energy (E) / Time (t)

P = E/t

Applying the above formula, we can calculate the energy in kWh of electricity that can be produced by the plant in one year. This is illustrated below:

P = E/t

3x10^6 KW = E / 5000 hrs/yr

Cross multiply to express in linear form as shown below:

E = 3x10^6 KW x 5000 hrs/yr

E = 1.5x10^10 KWh

Therefore, 1.5x10^10 KWh of electricity can be produced by the plant in one year.

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