raeprince1450 raeprince1450
  • 04-03-2020
  • Mathematics
contestada

If u is inversely proportional to the square of v and u is 4/9 when v is 3, find u when v is 8

Respuesta :

adioabiola
adioabiola adioabiola
  • 06-03-2020

Answer:u=1/16

Step-by-step explanation:

u is inversely proportional to v^2

u=k× 1/v^2

u=k/v^2

When U=4/9 when v=3

4/9=k×1/3^2

4/9=k×1/9

4/9=k/9

Cross multiply

4×9=k×9

36=9k

Divide both sides by 9

36/9=9k/9

4=k

When v= 8, u=?

u=k/v^2

Recall k=4

u=4/8^2

u=4/64

u=1/16

Answer Link

Otras preguntas

This is the name given to a South African of european ancestry specifially a combination of Dutch, Germany, and French
Who sent troops to help South Korea in 1950? A. The Soviet Union B. The United States Alone C. The United States and Great Britain D. UN member states
Can anyone help me with these questions?
In football, the team that has the ball has four chances to gain at least ten yards. If they don't gain at least ten yards, the other team gets the ball. Positi
solve for y 2x- 3y= 3​
Which of the following could be the equation of F(x)?
A certain company reported selling 5,000 toys
what was the common school movement? a) a system where students lived at the school during the week and went home on the weekends b) public, tax-supported eleme
Lobbying is a. an attempt by an individual or group to influence the passage of legislation by exerting indirect pressure, through advertisements and media cov
What did Hideyo find out as he escaped the factory