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4 years ago

If the relationship between distance y in feet and time x in seconds is proportional, which rate is represented by y/x = 0.6.

Mathematics

1 answer:

irina1246 [14]4 years ago

7 0

Y/x = ft/time =

A) 3/5 = 0.6
B) 3/9 = 1/3 = 0.67
C) 10/6 = 5/3 = 1.67
D) 18/3 = 6

Therefore A is the correct answer.

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3 years ago

How do I solve this using the substitution method for finding anti derivatives?

rewona [7]

A bit blurry, but if I'm making it out correctly, that's

$\displaystyle\int t\sqrt{(t^2-9)^3}\,\mathrm dt=\int t(t^2-9)^{3/2}\,\mathrm dt$

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$\displaystyle u^{3/2}\dfrac{\mathrm du}2=\frac12\int u^{3/2}\,\mathrm du$
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3 years ago

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18:80

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