aafisajith aafisajith

04-01-2021
Mathematics

contestada

its given that x varies directly with y square and x=3 and y=3.Find the value of x when y=45

Respuesta :

ChoiSungHyun ChoiSungHyun

04-01-2021

Step-by-step explanation:

x = ky², where k is a real constant.

When x = 3, y = 3.

=> 3 = 9k, k = 1/3.

Therefore x = y²/3.

When y = 45, x = 45²/3 = 675.

Answer Link

Otras preguntas

what is the general name for policies that affect the welfare, or well-being, of the people

The Neolithic Revolution refers to the time when early humans were beginning to do what?

The chief reason given by Woodrow Wilson for requesting a declaration of war against Germany in 1917 was the (A) refusal of Germany to accept the Fourteen Point

3k-1=7k+2How do I solve this? and other problems like this?

how do you find an unknown length in similar figure pairs

I need help with part 15 b. Thank you

Factorise fully. X^2 +6x+5

How do I solve a problem like this? m-4=2m

Why did so many Native American peoples adopt Christianity in Latin America during the 1500s?

The Nile begins as two separate rivers, the ___________ flowing from eastern Africa and the __________ from central Africa?