leelea
leelea leelea
  • 02-04-2016
  • Mathematics
contestada

if f(x) varies directly with x and f(x) = 50 when x = -10, then what is f(x) when x = 15

Respuesta :

mssarkar96 mssarkar96
  • 02-04-2016
f(x)=50 x= -10

If x=1, then f(x)=50/-10 = -5

Therefor, when x=15, f(x) = 15*-5 = -30
Answer Link
Isaacmusic123 Isaacmusic123
  • 02-04-2016
it is -30 because if x=-10 and f(x)=50 you have to divide 50/-10=-5 then you do x=15 x-5=-30
Answer Link

Otras preguntas

I will now talk about how junk food has been linked to obesity and heart disease. Strong: Claim or Weak: Not a Claim
Which label best describes this image? Explosive eruption—beware of ash! Gases push out magma with great force! Volcano quietly erupts due to low-viscosity magm
Use a triple integral to find the volume of the tetrahedron T bounded by the planes x+2y+z=2, x=2y, x=0 and z=0
(y = 4x + 3 y = -x - 2 Please help
Question 8 Although injured, John managed to crawl to safety.
What is the function of the chloroplast? A. Breaks down sugar to make energy B. To hold the cell together C. To make animals green D. Uses sunlight to create gl
Please help i really need it pls
When you tell someone you didn't mean what you just said, you have it. A. recanted B. abstracted C. rectified D. truncated
Magnesium reacts with iron chloride solution. Calculate the mass of iron produced in mg
Im really struggling in algebra 2. Could anyone give me tips/ help on how to figure out imaginary numbers?... Example problem: Find the sum of 3 - 7i and 8 + 4i