Mosope39idn
Answered

From science to arts, IDNLearn.com has the answers to all your questions. Discover reliable answers to your questions with our extensive database of expert knowledge.

if √x-5 varies directly as y and x=30 when y= 2, find the value of x when y=8.​

Sagot :

Answer:

let,

√x-5=ky

x=30 when y=2

√30-5=2k

or, k=(√30-5)/2

now, when y=8

√x-5=8×(√30-5)/2

or, √x-5=4√30-20

or, √x=4√30-15

or, x=(4√30-15)²

or, x=47.73..

Thank you for joining our conversation. Don't hesitate to return anytime to find answers to your questions. Let's continue sharing knowledge and experiences! Thank you for choosing IDNLearn.com for your queries. We’re here to provide accurate answers, so visit us again soon.