LeagueOfFacepalms
LeagueOfFacepalms LeagueOfFacepalms
  • 01-07-2016
  • Mathematics
contestada

suppose that y varies jointly with x and z. Find your when x=3 and z=5 , given that y=72 when x=6 and z=4

Respuesta :

olemakpadu
olemakpadu olemakpadu
  • 05-07-2016
y α xz

y = kxz             y = 72, when x = 6, and z = 4

72 = k*6*4

72 = k*24

24k = 72

k = 72/24

k = 3.

y = kxz    

y = 3xz    

Finding y, when x = 3, z = 5.

y = 3xz

y = 3*3*5

y = 45
Answer Link

Otras preguntas

12x+8-3x=-1 This is a multi-step​ equation
Matilda traveled the first 80 miles in 4 hours. Then she quadrupled her speed. How long will it take her to travel the next 400 miles?
which of the following words best describes the she-wolf as portrayed in the divine comedy enraged selfish unpleasant wicked
What does it mean to compose transformation
Can someone help me?
Which of the following lists is not in order from smallest to largest? 10.1, 10.5, 11.2, 12.9 4.75, 4.8, 4.92, 5 0.5, 1.3, 2.6, 3.8 2.33, 1.87, 3.6, 7.1
what are the solutions of the equation -x^2+8x+5=0
SOMEONE PLEASE HELP ME??
Describe how the rotation and composition of Earth’s core impacts Earth’s magnetic field and plate tectonics. Make sure your explanations include: Thermal energ
Which of the following is an example of a metaphor from the poem? A)digging up the earth B)your laughter must raise its foamy cascade C)whispering sw