Seudónimo Seudónimo
  • 24-06-2020
  • Mathematics
contestada

The value of y varies directly with x, and y = 40 when x = -5. Find y when x = 8

Respuesta :

Centio33
Centio33 Centio33
  • 24-06-2020

Answer: y=-64

Step-by-step explanation:

From the first sentence: the value of y varies directly with x:

y∝x

y=cx where c=variation constant

When y=40 x=-5

40=-5c

Therefore c=-8

To find y when x=8

y=cx where c=-8 and x=8

y=-8*8

y=-64

Answer Link

Otras preguntas

I will elaborate on my ideas on the concepts of identity and agency by collaborating with some views which still dynamic in the field on contemporary language c
What has fueled efforts to control Southeast Alaska's resources and travel corridors? HELP ME PLEASE
Which of the following inferences about Kovalev is best supported by the text?
2. In a sale, a jacket costing $40 is reduced by 20%. What is the sale price?​
A rectangle has a perimeter of 15 inches. If the length is two times the sum of 3 and the width find the dimensions of the rectangle.
Is morality relative or absolute? Defend your answer.
Adele bought B packs of baseball cards and five packs of book bar cards right in expression that shows how many packs of sport cards Adele bought in all
why were the philistines and the Hebrews always at war? please hurry
The temperature is 6 degrees it falls by 8how many degrees does it fall
A line segment has the endpoints K(0, 2) and L(0, 6). Find the coordinates of its midpoint M. Write the coordinates as decimals or integers. M =