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Distance from New Orleans to Boston and back is the same.
t - time from New Orleans to Boston
(t-1) - time from Boston to New Orleans
40t - distance between New Orleans and Boston.
80(t-1) - distance between Boston and New Orleans.
40t = 80(t-1)
40t = 80t - 80
40t = 80
t=2 h
To find average speed we need to find all distance and divide it at all time.
All distance = 40t +80(t-1) = 120t - 80
All time = t+(t-1)= 2t-1
Average speed =(120t - 80)/(2t-1)
Now we can substitute t=2.
Average speed =(120*2 - 80)/(2*2-1)=53.33 m/s
Wavelength, period and frequency are closely related to each other. By definition, wavelength is just the distance between two identical points in the adjacent cycles of a wave, and period is the time it takes to complete one cycle of the wave. Frequency is then the number of cycles in a second. Hope this helps
Answer:72 tiles
Step-by-step explanation:
16 x 18 = 288ft.2
2 x 2 = 4ft.2
288 divided by 4 = 72 tiles
Since 288 is the space of the wall, each tile has an area of 4 feet squared, so 288 divided by 4 would make it so they need 72 tiles.
Answer:
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Step-by-step explanation:
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