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Sauron [17]
3 years ago
11

How to solve these equations

Mathematics
1 answer:
nlexa [21]3 years ago
6 0
All u have to do is plug in the values
68) -(4q) = -(4*-3) =-4*3= -12
70) 5P-6= (5*5)-6 =25-6= 19
72) 7q-7p= 7(-3)-7(5) = -21-35= -56
74)2q/(4p) = 2(-3)/4(5)= -6/20= -3/10
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Step-by-step explanation:

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A radioactive material has a half-life of 15 days if you start with 160 mg after how long will they be 5mg left?
SOVA2 [1]

Answer:

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Step-by-step explanation:

The multiplier each day is ...

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Then we want to find t such that ...

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Equating exponents (equivalent to taking logs), we get ...

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Step-by-step explanation:

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