Mathematics: If a/b = 5/4 and b/c = 3/2, what is c/a

If a/b = 5/4 and b/c = 3/2, what is c/a - id54327699118, kingcory6230

Ответ:

keshaayro8566

02.02.2022

Mathematics

Step-by-step explanation:

$\frac{a}{b} = \frac{5}{4} \: \: \: \: \: \: \frac{b}{c} = \frac{3}{2}$

$\frac{a}{b} \times \frac{b}{c} = \frac{5}{4} \times \frac{3}{2}$

$\frac{a}{c} = \frac{15}{8}$

$\frac{c}{a} = \frac{8}{15}$

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Ответ:

amourjenny

02.02.2022

Mathematics

$\huge\boxed{\sf \frac{a}{c} = \frac{15}{8} \ \ OR \ \frac{c}{a}= \frac{8}{15} }$

Step-by-step explanation:

$\sf Given \ that\\\\\frac{a}{b} = \frac{5}{4} \\\\\frac{b}{c} = \frac{3} {2}\\\\Multiplying \ both \ of \ the \ above \ equations\\\\\frac{a}{b} * \frac{b}{c} = \frac{5}{4} * \frac{3}{2} \\\\\frac{a}{c} = \frac{5*3}{4*2} \\\\\bold{\frac{a}{c} = \frac{15}{8} }$

Hope this helped!

~AnonymousHelper1807

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Ответ:

oreojtlover6330

24.07.2020

Mathematics

B. 8.12131415...

Step-by-step explanation:

We are asked to find irrational number from our given choices.

We know that a number is irrational, when it can not be written as a fraction.

We also know that repeating decimals are also rational numbers.

Upon looking at our given choices, we can see that option A is a fraction, therefore, it is a rational number.

Options C and D has repeating decimals, therefore, they are rational as well.

Option B has non repeating and non-terminating decimal, therefore, 8.12131415... is an irrational number.

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If a/b = 5/4 and b/c = 3/2, what is c/a

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