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diamong [38]
3 years ago
5

Highest common factor of 24 and 40

Mathematics
2 answers:
maks197457 [2]3 years ago
5 0
24 = 2*12= 2*4*3= 2*2*2*3
40 = 5*8 = 5*2*2*2

Greatest common factor is what the number have in common as factors.
We see that both numbers have (2*2*2) = 8
So, greatest common factor is 8.
zzz [600]3 years ago
4 0
8 is the highest common factor
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Given that - At 2 pm boat 1 leaves dock and heads south and boat 2 heads east towards the dock. Assume the dock is at origin (0,0).

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at 2 pm boat 2 was 15 km due west of the dock because it took the boat 1 hour to reach there at 15 km/h, so the position of boat 2 at that time was (-15,0)

the position of boat 2 is changing towards east, so the position of boat 2 at any time (-15+15t,0)

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⇒                     D = \sqrt{20^2t^2+15(t-1)^2}

Now let           F(t) = D^2(t)

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⇒                     t= .36 hours

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∴ This time gives us a minimum.

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