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RoyalGurl01
01.11.2019 •
Mathematics
Find the lengths of the following curves.
y= ![\frac{2}{3} x^\frac{3}{2} -\frac{1}{2} x^\frac{1}{2}](/tex.php?f=\frac{2}{3} x^\frac{3}{2} -\frac{1}{2} x^\frac{1}{2})
![x=\frac{3}{5} y^\frac{5}{3} -\frac{3}{4} y^\frac{1}{3}](/tex.php?f=x=\frac{3}{5} y^\frac{5}{3} -\frac{3}{4} y^\frac{1}{3})
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Ответ:
10
Step-by-step explanation:
"three times r" = 3r
"three times r minus ten" = 3r - 10
"product of 5 and the difference of three times r minus ten"
= 5 (3r - 10)
given that r = 4,
the expression becomes
5 (3r - 10)
= 5 [3(4) - 10]
= 5 [12 - 10]
= 5 (2)
= 10