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Sonatamaridelgo
Answered

mathematical equation of y varies inversely as x. If y = 7 and x = -4, find y if x = 5.​

Sagot :

OnekPHgo

Answer:

-5.6

Step-by-step explanation:

Y=k/x

If

7=k/-4

K=-28

Then,

Y=-28/5

Y=-5.6

#Sana Nakatulong :)

Alankadusalego

Answer:

[tex]y = 21[/tex]

Step-by-step explanation:

[tex]x = k \times \frac{1}{y} [/tex]

[tex] => \: k \: = xy = 9 \times 14 = 126[/tex]

[tex] => x = \frac{126}{y} [/tex]

[tex]so \: y = \frac{126}{x} [/tex]

[tex]at \: x = 6 \: we \: have \: [/tex]

[tex]y = \frac{126}{6} = 21[/tex]

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