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alexandr1967 [171]
4 years ago
6

R is inversely proportional to A

Mathematics
1 answer:
AVprozaik [17]4 years ago
7 0

Part a: The value of R when A=5 is 3.6

Part b: The value of A when R=9 is 2

Explanation:

It is given that R is inversely proportional to A.

Hence, it can be written as R=\frac{k}{A}

Also, it is given that R=12 and A=1.5

Substituting these values in R=\frac{k}{A}, we have,

12=\frac{k}{1.5}

18=k

Thus, the value of K is 18=k

Part a: To determine the value of R when A=5

Now, substituting A=5 and k=18 in R=\frac{k}{A}, we get,

R=\frac{18}{5}

R=3.6

Thus, the value of R is R=3.6

Part b: To determine the value of A when R=9

Now, substituting R=9 and k=18 in R=\frac{k}{A}, we get,

9=\frac{18}{A}

A=\frac{18}{9}

A=2

Thus, the value of A is A=2

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