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Question 3. Two neon lights are turned on at the same time. One blinks every 4 seconds and the other blinks every 6 seconds. Answer the following questions, give your answer only.

a) How long will it take them to blink simultaneously for the first time after they are turned on? (simultaneously: at the same time)

b) How many times will they blink simultaneously in the first 70 seconds after they are turned on?

☪ú⚛Đêm ( PhóღteamღVTP )
19 tháng 9 2021 lúc 10:40

Question 3. Two neon lights are turned on at the same time. One blinks every 4 seconds and the other blinks every 6 seconds. Answer the following questions, give your answer only.

a) How long will it take them to blink simultaneously for the first time after they are turned on? (simultaneously: at the same time)

a = 6 s

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☪ú⚛Đêm ( PhóღteamღVTP )
19 tháng 9 2021 lúc 10:43

Question 3. Two neon lights are turned on at the same time. One blinks every 4 seconds and the other blinks every 6 seconds. Answer the following questions, give your answer only.

b) How many times will they blink simultaneously in the first 70 seconds after they are turned on?

b) 11

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☪ú⚛Đêm ( PhóღteamღVTP )
19 tháng 9 2021 lúc 10:43

Question 3. Two neon lights are turned on at the same time. One blinks every 4 seconds and the other blinks every 6 seconds. Answer the following questions, give your answer only.

a) How long will it take them to blink simultaneously for the first time after they are turned on? (simultaneously: at the same time)

b) How many times will they blink simultaneously in the first 70 seconds after they are turned on?

a= 6s

b=11

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