3 years ago

Is the square root of 19 rational

Mathematics

1 answer:

kicyunya [14]3 years ago

3 0

Answer:

Step-by-step explanation:

The square root needs to be a perfect square root to be a rational number, for example: the square root of 25 which equals 5.

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Given that, (x, y), = (5, 10), find r

pickupchik [31]

Answer:

$r=5\sqrt{5}$

Step-by-step explanation:

we are given as

(x, y), = (5, 10)

we can compare

x-value is 5

$x=5$

y-value is 10

$y=10$

now, we can use formula

$r=\sqrt{x^2+y^2}$

now, we can plug values

$r=\sqrt{5^2+10^2}$

$r=\sqrt{25+100}$

$r=\sqrt{125}$

so, we get

$r=5\sqrt{5}$

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Step-by-step explanation:

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Here's link to the answer:

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