Seudónimo Seudónimo
  • 21-01-2017
  • Mathematics
contestada

y varies directly with x, and y = 15 when x = 3. What is the value of x when y = 4?

Respuesta :

erika18marie
erika18marie erika18marie
  • 21-01-2017
Y varies directly with x means that the equation would be y=kx. 
15=k3 
k=5
So, 4=5x for when y=4
Divide both sides by 5 to get 4/5 = x
Therefore, the value of x is 4/5
Hope this helped! xx
Answer Link

Otras preguntas

Ricardo has one half foot of yarn how many inches does he have
y=3/5 +2 plot the slope of the line
Why is Cape Canaveral air force station important to its region?
What changes when an unbalanced force acts on an object
What led Portugal to invest in expeditions?
Which is a positive balance of trade for a country? importing goods and exporting services importing raw materials and exporting goods importing more goods
Why is global warming a cause of concern for the environmentalists?
why might scientists measure the mass of an object rather than the weight of an object
in terms of migration which of the following is an example of a pull factor
A month after Abraham Lincoln's election to the presidency what state left the union