What are the three ratios for 18:4

Mathematics

2 answers:

aniked [119]3 years ago

8 0

9:2 27:6 36:8 here are the three ratios

s344n2d4d5 [400]3 years ago

6 0

9:2, 36:8, 72:16
Ratios

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Is sqrt(25a^2/4) the same as sqrt(25a^2)/sqrt(4)?

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$LHS\\ \\ =\sqrt { \frac { 25{ a }^{ 2 } }{ 4 } } \\ \\ ={ \left( \frac { 25{ a }^{ 2 } }{ 4 } \right) }^{ \frac { 1 }{ 2 } }$

$\\ \\ =\frac { { \left( 25{ a }^{ 2 } \right) }^{ \frac { 1 }{ 2 } } }{ { 4 }^{ \frac { 1 }{ 2 } } } \\ \\ =\frac { \sqrt { 25{ a }^{ 2 } } }{ \sqrt { 4 } } \\ \\ =RHS$

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