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KIMMY123479IN
Answered

27.
d. y varies inversely with x. If y = 15 when x = -18, find y when x = 27.
Solution:​

Sagot :

TYRON09IN

Step-by-step explanation:

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

[tex]15 = \frac{k}{ - 18} [/tex]

[tex]15( - 18) = k[/tex]

[tex]k = - 270[/tex]

[tex]y = \frac{ - 270}{27} [/tex]

[tex]27y = - 270[/tex]

[tex] \frac{27y}{27} = \frac{ - 270}{27} [/tex]

[tex]y = - 10[/tex]

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