Mathematics
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The variables y and x have a proportional relationship, and y = 5 when x = 4. what
The variables y and x have a proportional relationship, and y = 5 when x = 4. what is the value of x when y = 8? enter your answer in the box. x =plzz me
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pmgpmgutube
5,0(81 marks)
Answer
Find out the what is the value of x when y = 8 .
To prove
As given
The variables y and x have a proportional relationship.
y = kx
Where k is the constant of proportionality.
As y = 5 when x = 4
Put in the above
5 = 4k
Now find out the value of x , when y = 8
x= 6.5
Therefore when y = 8 than x = 6.4
sammilower04
4,8(61 marks)
A sequence is defined by the recursive formula f(n+1) = f(n)-2 if f(1)=18 what is f (5
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