2 years ago

|x+10|, if x=-12 Ahhhh I'm not sure how to do this

Mathematics

1 answer:

amm18122 years ago

6 0

Answer:

your answer is -2

Step-by-step explanation:

Hope helps

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Answer:

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Step-by-step explanation:

Given

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$y = 7 * 10^{-21}s$ --- half life of helium-9

Required

How many times greater is y than x

To do this, we simply divide y by x

$\frac{y}{x} = \frac{7 * 10^{-21}s}{7.6 * 10^{-22}s}$

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Apply law of indices

$\frac{y}{x} = \frac{7 * 10^{-21--22}}{7.6}$

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