ameliaxbowen7
14.01.2021 •
Mathematics
A light bulb's brightness is reduced when placed behind a screen. The amount of visible light bulb decreases by 25% with
each additional layer that is added to the screen. with no screen, the light bulb produces 750 lumens. The lumen is a unit for measuring the toltal
quantity of visible light emitted by a source.
Select the correct equation that can be used to represent the lumen
OA L=750(0.975)^x
OB. 1 = 750(0.25)^x
OC L = 750(0.75)^x
OD L= 750(1.25)^x
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Ответ:
subtract 2
Step-by-step explanation: 5-2=3
3+2=5