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ch4aika [34]
3 years ago
6

How many solutions does this system have?

Mathematics
2 answers:
Oliga [24]3 years ago
8 0
All you have to do is solve it to know
<span>y=3-2x </span>
<span>6x=9-3(3-2x) </span>
<span>6x=9-9+6x </span>
<span>0x=0 </span>
<span>so the answer is: infinite solutions
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Hope that helped! </span>
anastassius [24]3 years ago
6 0
1 solution because it is parallel 
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Answer:

22.38 g of silicone-32 will be present in 300 years.

Step-by-step explanation:

A radioactive half-life refers to the amount of time it takes for half of the original isotope to decay and its given by

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where,

N(t) = quantity of the substance remaining

N_0 = initial quantity of the substance

t = time elapsed

t_{1/2} = half life of the substance

From the information given we know:

  • The initial quantity of silicone-32 is 30 g.
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So, to find the quantity of silicone-32 remaining we apply the above equation

N(t)=30\left(\frac{1}{2}\right)^{\frac{300}{710}}=30\left(\frac{1}{2}\right)^{\frac{30}{71}}\approx22.38 \:g

22.38 g of silicone-32 will be present in 300 years.

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<em />

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Step-by-step explanation:

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