Eden1234f25 Eden1234f25

20-10-2019
Mathematics

contestada

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

Respuesta :

arindamvutla arindamvutla

01-11-2019

Answer:

2.3

Step-by-step explanation:

Since y is directly proportional to x,

y = kx.

=> 40=k X 4

=> k=10

So y=10x

If we put y=23 in the above equation,

x=2.3

or

40:4 = 23:x

=>x=2.3

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