smilemore00
smilemore00 smilemore00
  • 13-10-2021
  • Mathematics
contestada

ILL MARK BRAINLIEST

suppose y varies directly with x and y=4 when x=-2 find x when y=10

X=

Respuesta :

crissz67
crissz67 crissz67
  • 13-10-2021

Answer:

y= kx

when y = 4

x = -2

4= -2k

divide both sides by -2

k = -2

when y = 10

10 = x(-2)

10= -2x

divide both sides by -2

x = -5

Answer Link

Otras preguntas

Write a polynomial function in standard form with zeros -1, -1, 6. Please show work and thanks in advance! :)
How was the great plague and cholera epidemic similar
the volume for the above figure is?
En que paíse actuales se encontraban mulatos
missy read 1/12 of a book by monday, 1/4 of the book by tuesday, and 5/12 of the book by wednesday. what is the rule for how much of the book missy reads each d
What would 4 Across be? “The state or condition of being sweet”
are a parallelogram and a pentagon always sometimes or never similar
What is the area of this parallelogram?
Solve y=.80x+100 based on bread machine costs 100. Ingredients for one loaf is .80 and what is the cost to make 50 loaves of bread
How do I solve this question