bella2284
24.03.2020 •
Mathematics
R is inversely proportional to A. R=12 when A=1.5.
work out the value of R when A=5
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Ответ:
R=3.6
Step-by-step explanation:
R=k/A
When R=12, A=1.5
12=k/1.5
k=1.5×12
k=18
To determine R when A =5
R=18/5
R=3.6
Ответ:
It is better to use completing the square method to solve this quadratic equation.