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liq [111]
3 years ago
14

If y is directly proportional to x and Y = 40 when x=4 what is the value of x when y =23

Mathematics
1 answer:
Feliz [49]3 years ago
8 0

Answer:

2.3

Step-by-step explanation:

Since y is directly proportional to x,

<h3>y = kx.</h3><h3>=> 40=k X 4</h3><h3>=> k=10</h3><h3>So y=10x</h3><h3>If we put y=23 in the above equation,</h3><h3>x=2.3</h3><h3 /><h3>or </h3><h3 /><h3>40:4 = 23:x</h3><h3>=>x=2.3</h3>
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