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Law Incorporation [45]
3 years ago
7

If the half-life of that substance is 22 days, and only 1/4 of it remains, how many days have elapsed?

Mathematics
2 answers:
Ilia_Sergeevich [38]3 years ago
6 0

Answer:

11

Step-by-step explanation:

if half of it is 22, then a whole life is 44 days. 1/4 of 44 days is 11 days so its A

Citrus2011 [14]3 years ago
3 0

Answer:

the answer is A (11 days)

Step-by-step explanation:

Hope this helps you!

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Svetradugi [14.3K]

Answer:

y ≤ -4x+25

Step-by-step explanation:

First we need to figure out the equation for the line

The y intercept is  25

Next figure out the slope

slope = (y2-y1)/((x2-x1)

      = (49-25)/(-6-0)

      = 24/-6

    = -4

The equation for a line in slope intercept form is y = mx+b

y = -4x+25

This is a solid line so our inequality will have an equals in it.

It is shaded below, so y is less than.

If it was shaded above, y would be greater than

y ≤ -4x+25

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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