isaiahbaumbach
isaiahbaumbach
31-01-2020
Mathematics
contestada
[tex] {3r}^{2} - 2 = 46[/tex]
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graylynrhee
graylynrhee
31-01-2020
start by adding 2 to both sides to get 3r^2 = 48. then divide both sides by 3 to get r^2 = 16. square root both sides to get r = 4.
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mayeke
mayeke
01-02-2020
3r^2 – 2 = 46
• Add 2 on both side; 3r^2 = 48
• Remove the square from 3r by putting the square root of 48 = 6.9 hence:
3r = 6.9
• divide both sides by 3; 3r/3 = 6.9/3
r = 2.3
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