santiagosala916 santiagosala916
  • 03-05-2021
  • Mathematics
contestada

The value of y varies directly with x. If x = 7, then y = -40. What is the value of x when y = 51?

Respuesta :

jaberijason
jaberijason jaberijason
  • 03-05-2021

Introduce a constant,

let it be (k)

Y=KX

-40 = K(7)

K= -5.7

Then,

Y =KX

51= -5.7(X)

X = -8.95~-9

Answer Link

Otras preguntas

what other information do you need to prove triangle GHK is congruent to triangle KLG by SAS
Describe what happens when blood in capillaries flows past cells
in what way is a gene pool representative of a population
What is the value of the 8 and 48?
three things scientists learned about earth in beginning of 1800s
Solve the equation log 6x - 3 = -4
What is 0.75 as a fraction in simplist form
Mario drew a model to represent one third of the space in his bookcase. how could mario draw a model to represent all the space in his bookcase.
Which of the following is x⁴ + y⁴ identically equal to? (A) (x² + y²)(x + y)(x - y) (B) (x² + xy + y²)(x² - xy + y²) (C) (x² + √2xy + y²)(x² - √2xy + y²) (D) (x
25% of what nember is 19