chojnackaa104
contestada

PLEASE HELP !!! Seriously someone help me and solve this it’s worth 3 marks and I need exactly 3 marks to get a 7 . HELp

y is inversely proportional to x^3
y=28 when x=a
Work out the value of y when x=2a

PLEASE HELP Seriously someone help me and solve this its worth 3 marks and I need exactly 3 marks to get a 7 HELp y is inversely proportional to x3 y28 when xa class=

Respuesta :

Juneholmes

Answer:

yeah please, this needs critical thinking

snehamthomas06

Answer:

3.5

Step-by-step explanation:

y=k/a^3

k=28a^3

28a^3/8a^3 = 3.5

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