katelyndesirae katelyndesirae
  • 02-06-2021
  • Mathematics
contestada

Suppose y varies jointly as x and z. Find y when x=9 and z=-3, if y=-50 when z is 5 and x is -10.

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 03-06-2021

Answer:

y = -27 when x = 9 and z = -3

Step-by-step explanation:

y = kxz is the joint variation where k is a constant

Substitute the knowns in to find k

-50 = k( -10)(5)

-50 = -50k

k = 1

y = xz

Now find y

y = 9*-3

y = -27 when x = 9 and z = -3

Answer Link

Otras preguntas

Solve the absolute value equation |2x - 4| = 10. Select two answers from the choices below. a. x = 7 b. x = -3 c. x = 2 d. x = -6
Which philosophy did the Social Security Act demonstrate
please help me answer this
The Missouri Compromise established which as a precedent?
Solve for x: -38 + 6x = -12x + 52 a. x = 6 b. x = -6 c. x = -5 d. x = 5
what is the physical state of copper
what is mean of french​
all numbers that give 62.8 when truncated to 1 decimal place
Prepare an extensive Comparison Table of Energy Resources used in India. (Include conventional, non conventional, potential and stock resources)
Why did Osama Bin Laden and Al-Qaeda plan and execute the September 11th, 2001 attacks on the U.S.