delkara delkara

23-11-2016
Mathematics

contestada

Assume that y varies directly with x. If x=5 when y=-8 find x when y=16

Respuesta :

baabaagreysheep baabaagreysheep

23-11-2016

Is it -10? Because -8 to 16 is multiplying by -2, so 5 x -2 = -10. I'm not sure though because I don't know exactly what 'varies directly' means.

Answer Link

RattledRaikou RattledRaikou

23-11-2016

The answer would be ×=-10. Because 2y would be equal to 2x. 2x= (-5*2)

Answer Link

Otras preguntas

In 5 seconds a car moving in a straight line increases its speed form50 km/h to 65 km/h, what is the acceleration of the vehicle?

Consider the polynomial P(x)=x³+kx²+x+6.Find the value of k so that x+1 is a factor of P.

The answer these questions are very hard lol

3. Use books, websites, lessons, or any other scientific resources to complete the following table:

Describe each step taken to solve the equation. Then, check the solution to see if it is valid. If it is not a valid solution, explain why∛x-6=4, ∛x=10, x=1000.

2 ways to tell if there is a proportional relationship

how do I solve for exterior angles in a right triangle. you must solve for a, b, c, d, and e. one angle is 90°, the other two are 32°, and 55°. How do I solve f

in the diagram below, AB and BC are tangent to O. which expression gives the measure of ABC?

I’ll be very appropriated

Simplify a/b + c / a/b - c =