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slega [8]
3 years ago
10

Can you guys help me with this question? thanks

Mathematics
1 answer:
ohaa [14]3 years ago
5 0

Answer:

136

Step-by-step explanation:

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A certain isotope decays so that the amount A remaining after t years is given by: A = A0 · e ^-0.03t where A0 is the original a
Katena32 [7]
<span>Ending Amt = Bgng Amt * e ^-0.03t
In this equation, the "-0.03" is the decay factor or "k"
We can now solve for half-life by this equation:
</span>t = <span>(<span>ln [y(t) ÷ a]<span>)<span> ÷ -k  (we can say beginning amount = 200 and ending amount = 100
</span></span></span></span>t = <span>(<span>ln [200 ÷ 100]<span>)<span> ÷ -k
</span></span></span></span>t = <span>(<span>ln [2]<span>)<span> ÷ -k
</span></span></span></span>t = 0.69314718056<span> ÷ --.03
t =</span><span><span><span> 23.1049060187 </span>
about 23 years
</span></span>
7 0
3 years ago
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2y-18x=-26 solve for y
Alekssandra [29.7K]
2y - 18x = -26

Add 18x to both sides.

2y = -26 + 18x

Divide by 2 on both sides.

y = -13 + 9x

y = 9x - 13
8 0
2 years ago
How many solutions does the following equation have?
Tom [10]

Answer:

Answer choice D, Infinitely many solutions.

Step-by-step explanation:

6x-24=6x-24

3 0
3 years ago
Describe how to find the selling price of an item that has been marked up 110%
ANEK [815]

Answer:

Step-by-step explanation:

The original price on the item is the price before a markup of 110% of this original price:

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2

Step-by-step explanation:

4 0
3 years ago
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