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UkoKoshka [18]
3 years ago
8

In your own words, give two reasons why it is important to wash your hands both before and after completing a lab (will give bra

inliest)
Mathematics
2 answers:
N76 [4]3 years ago
8 0
Reason number 1 (before) is that you could contaminate your samples if you have foreign material on your hands.
Reason number 2 (after) is that you could spread<span>/or ingest dangerous chemicals or substances that you have handled in the lab.</span>
quester [9]3 years ago
7 0
1. You dont want to digest possible dangerous chrmicals
2. Your hands could be durty and contaminate the experiment
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The unit digit of cube 149 is 9
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3 years ago
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A circle is the collection of points in a plane that are the same distance from a given point in the plane.
RoseWind [281]

Answer:

True - The above statement is true

A circle is the collection of points in a plane that are the same distance from a given point in the plane.

Step-by-step explanation:

  • <em><u>A circle is the set of points in a plane that are a given distance from a given point in the plane. The given point is the center of the circle, and the given distance is the radius.</u></em>
  • In other words; A circle is the set of points in a plane that are equidistant from a given center point.  Therefore; the locus of points at a fixed distance, d, from the point, P is a circle with the given point P as its center and d as its radius.
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64 questions are on the test
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3 years ago
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If you invest $100 into an account that earns 9% interest each year, how many years will it take for you to have $200?
Helga [31]
It does not say simple or compound interest.
Simple interest is rarely used these days, so assume compound.
Use the standard formula:
future value = present value*(1+rate/n)^(nt)
n=number of times interest is compounded per year (=1)
t=number of years
Plugging values,
200=100(1.09)^t
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t(log(1.09))=log 2
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3 years ago
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Step-by-step explanation:

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