About 75 percent of the energy that passes through a fluorescent bulb is used as light. if a fluorescent bulb uses 2,000 kilowatt-hours, how much energy is used as light?

If a fluorescent bulb uses 2,000 kilowatt-hours, then the amount of energy used as light is 1500.

Step-by-step explanation:

The question provides us with all the information we need very simply. It wants to find 75% of 2000. In order to find 75% of 2000, first we must convert 75% into a decimal, which we can do by moving the decimal point two spaces to the right. In this case, 75% as a decimal would be 0.75 Now, all that is left is to multiply 0.75 by 2000. 0.75 x 2000 is 1500.

If a fluorescent bulb uses 2,000 kilowatt-hours, then the amount of energy used as light is 1500.

(a) the volume of the cone is 20/3 in3

hence, option a is correct.

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step-by-step explanation:

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