phillipsk5480
16.09.2019 •
Mathematics
One lighthouse flashes every 10 seconds, a second lighthouse flashes every 8 seconds. if they flash at the same time, how long will it take to flash at the same time again? a
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Ответ:
multiples of 10 : 10,20,30,40,50
multiples of 8 : 8,16,24,32,40
so the LCM of 10 and 8 is 40
therefore, they will both flash at the same time again in 40 seconds.
Ответ:
y = 4x - 3
Step-by-step explanation:
I'm not very sure if this is correct but I used the slope and the y intercept to create a linear equation in slope intercept form.