3 years ago

Hi, can someone help pls! Which of the following is a counterexample for the claim that √x^2 = x ?

1 answer:

Leto [7]3 years ago

7 0

Answer:

Step-by-step explanation:

x=-1 is the counter example as ((-1)2)^(1/2)=1 and not -1.

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shusha [124]

Answer:

Step-by-step explanation:

You can use Pythagoras Theorem,

$8^{2} + y^{2} = (8\sqrt{6} )^{2} \\ y^{2} = (8\sqrt{6} )^{2} - 8^{2} \\y^{2} = 384 - 64\\y^{2} = 320\\y = \sqrt{320}$

∴ $y = 8\sqrt{5}$

Hope that helps!!

Please mark as Brainliest!!

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2 years ago

laila [671]

The answer to this is 39 and 27

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OLga [1]

<span>304.688. Take 25% of 406.25, which is 101.562 and then subtract it from 406.25.</span>

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Vikki [24]

Answer:

1 2/3

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(1/3) in 2 days

(5/3) in 10 days

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3 years ago

djyliett [7]

The Answer is 0.15, you count all the decimal points places and move that amount.

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3 years ago