3 years ago

How much of a radioactive kind of iodine will be left after 120 days if the half-life

Mathematics

1 answer:

Aneli [31]3 years ago

3 0

23+5+1000000000000000000

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What value in place of the question mark makes the polynomial below a perfect square trinomial ?

gregori [183]

Answer:

Option D is correct.

Step-by-step explanation:

We have been given $x^2+22x+?$

We need to tell which one of them will give the perfect square trinomial.

Trinomial is the polynomial with three terms.

$x^2+22x+121$

If we factorize it by middle term splitting we get:

$x^2+11x+11x+121$

$\Rightarrow x(x+11)+11(x+11)$

$\Rightarrow (x+11)(x+11)$

$\Rightarrow (x+11)^2$ is the perfect square trinomial.

Therefore, option D is correct

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Step-by-step explanation:

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Rzqust [24]

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Step-by-step explanation:

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