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

Marcus needs to bike at least 80 mikes this week for his training. If he has already biked 25 mikes this week, thr. how many milrs shoukd he bike on each of the
a patient with a difference between the apical and brachial pulse counts has a
chantal was eating raisins and a few of them fell into a glass of drinking water she finish eating the rest of the raisins when she went to dump out the water i
an amount of $4,000 is invested. The interest rate is 2%. what is the amount earned in one year?
There are thousands of thoughts that might enter your conscious mind at any given moment; moreover, those thoughts are in some way related to your interests, ho
How are members of juries chosen for criminal trials? by e-mail by summons on a volunteer basis over the telephone
what’s elaine’s weekly allowance
Plato Socratis Aristotle Rank the three individuals based on who you feel most contributed to modern Western society.
How is weak and week the same and different?
What is the Spanish word for “rich”? a. rico c. rojo b. río d. barato Please select the best answer from the choices provided A B C D