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MAXImum [283]
3 years ago
8

Use the results of exercises 18 and 19 to prove that given any two rational numbers r and s with r , s, there is another rationa

l number between r and s. An important consequence is that there are infinitely many rational numbers in between any two distinct rational numbers.
Mathematics
1 answer:
777dan777 [17]3 years ago
5 0

Answer:

Step-by-step explanation:

Let r and s be two rational numbers

Without loss of generality assume that r<s, because one number has to be necessarily less than the other otherwise two would be equal.

Then find mid value of r and s as

\frac{r+s}{2} =t

So we have atleast one rational number between r and s. Note that t is rational because it is sum of two rational numbers r/2 and s/2

Now using r and t we find one rational number say u between r and t.  

Again with r and u we find another rational number between them

This process can be repeated infinitely

Thus we conclude there are infinitely many rational numbers in between any two distinct rational numbers.

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Answer:

16.   30 * (30+12)/4*(L)*20

17.  Volume = 6300 * Length of rectangular prism

Step-by-step explanation:

The width of a rectangular prism is <u>30 cm</u>. This is  <u>12 more than one-fourth of the length</u>. Find the  volume of the prism, given the <u>height is 20 cm</u>.

Let L = length of rectangular prisim W = width and H = height

16.  

Volume of a rectangular prism is width * length * height

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17.  

= 30 * (30+12)1/4(L)*20

= 30 * (42/4)*L * 20

= 600 * 10.5 * L

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When 8 is subtracted from Ollie’s age, the result is the same as subtracting 16 from 3 times his age.
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X - Ollie's age

8 is subtracted from Ollie's age = x-8
the result is the same as
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3 years ago
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