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 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 Israelites' departure from Egypt called? A. the Exile B. the Existence C. the Exit D. the Exodus
How will a positive and a negative charge react to each other
How does environmental change affect the survival of a species?
Describe how the equation y equal left parenthesis x minus 2 right parenthesis to the power of 2 plus 5 transforms the graph of a basic parabola y equal x to th
Which interaction produces dispersive forces by creating temporary dipoles that induce dipoles in other molecules?
So i'm confused. 3a(powered 2) a= 8 Would it be the 3*8 then powered 2 or is the powered 2 for the eight?
A sequence is defined by the recursive formula f (n + 1) = f(n) – 2. If f(1) = 18, what is f(5)?
Ty is reading a myth. He wants to learn about the cultural context of the myth-tellers. To do so, he will write a question about each of the four aspects of cul
Tyrone has a piece of yarn that is 3 feet long.He measures it again to find the number of inches.Will the number of feet or the number of inches be greater.
what does the symbol Li+ represent?