Diamondnado
Diamondnado Diamondnado
  • 18-01-2017
  • Mathematics
contestada

Y varies directly with x, and y = 120 ib when x = 50 ib. Find y if x = 40 ib

Respuesta :

bcalle
bcalle bcalle
  • 18-01-2017
y = kx is the direct variation equation.
Use the x and y given to find k. After finding k use it to write a new equation.
120=k*50
Divide by 50 on both sides
120/50=k 12/5=k
y = (12/5)(40) y=96
Answer Link

Otras preguntas

list four thing to look for when your proofreading
What is one way in which objects transfer momentum? Explain.
Builders have observed that residence windows are most attractive if they have the width to length ratio 3:5. if a window is to be 48 inches wide, what should i
which of these correctly matches an organelle with its function -chloroplast—movement - nucleus—cell regulation -vacuole—energy production - mitochondrion—phot
What are the three Pythagorean identities?
how does our knowledge of greek mythology aid us as readers construct meaning from all text such as signs, articles, literature, flims, and advertising? give ex
Think about fire. Can fire be considered a living thing? Why or why not?
Using an example, explain how small atoms are.
The number of protons in one atom of an element determines the atom's ____________, and the number of electrons determines ____________ of an element.
2(-x-2)+(5x-1)=3 (x-7)+18