mosope39
mosope39 mosope39
  • 03-08-2021
  • Mathematics
contestada

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

Respuesta :

Аноним Аноним
  • 05-08-2021

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..

Answer Link

Otras preguntas

What effect did mao's policies have on ecinomic growth?
Which of the following questions should you ask yourself when analyzing word choice? A. What details appear in the text? B. What information is being discusse
use red and yellow and a ten frame.show both addends. Draw to make a ten then write the new fact
Write a number with digits that have a sum of 8
Tiara has $2,000 in her savings account. David has one-tenth as much as Tara in his savings account. How much does David have
Why was Joseph warned to go to Egypt? The wise men were spies sent by Herod and were going back to report to him. Herod ordered soldiers to kill all boy babies
What is the meaning of the term carpe diem? hard work brings rewards act now while you can time will heal all better late than never
the area of the balkan countries is frequently plagued by ethnic conflict that generates what among the nations
Which type of tax does the federal government collect?
Which receptors adapt most slowly? nociceptors pressure receptors touch receptors smell receptors