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timofeeve [1]
3 years ago
11

Suppose g(m) varies inversely with M and g(m)=3.5 when m=10. what is the value of M when g(m)=5?

Mathematics
2 answers:
Sever21 [200]3 years ago
7 0

Answer:

M = 7

Step-by-step explanation:

As g(m) varies inversely with M, that is represented by the expression:

g(m)=\frac{1}{M}

Now we have to introduce a constant of proportionality (k), that is multiplying the function:

g(m)=\frac{1}{M}*k

Then we can replace the given values to find the value of k:

When m=10, g(m)=3.5

g(m)=\frac{1}{M}*k\\k=g(m)*M

k=3.5*10

k=35

Now, we can replace the given value of g(m)=5 to find M:

M=\frac{1}{g(m)}*k\\M=\frac{1}{5}*35\\M=7

PilotLPTM [1.2K]3 years ago
6 0
In an inverse variation, the function takes the form xy=k
where k is a constant.
Given g(10)=3.5, we find k=xy=3.5*10=35.  
This means the function is
m*g(m)=35
When g(m)=5, then m=35/5=7.
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