Elizabethvick2007 Elizabethvick2007
  • 14-09-2020
  • Mathematics
contestada

. If y varies directly with x, and y = -35 and x=7, what is x when y = -85?

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 14-09-2020

Answer:

x = 17

Step-by-step explanation:

Direct variation is given by

y = kx  where k is the constant of variation

-35 = k*7

-35/7 = k

-5 = k

y = -5x

We know y = -85

-85 = -5x

Divide each side by -5

-85/-5 = x

17 =x

Answer Link

Otras preguntas

There are chickens and pigs in a farm yard? There are 68 feet and 23 tails in the farm yard. How many chickens and how many pigs does grandma have?
Suppose that as the result of extensive pollution to the ocean, kelp forests are killed. Explain how this would affect not only kelp populations, but also many
The angular speed of a propeller on a wind generator is 10.3 revolutions per minute. Express this angular speed in radians per minute.
If water and ethanol both have all 3 intermolecular bonds, why does ethanol evaporate so much quicker?
Find the unit rate in feet per second 300 yards over 1 minute
How many times can 3 go into 8
How are hot spots used to track plate motion
what's 33 1/3 as a fraction
What is the integer for 3 people join?
how do u make a sentence with word dejected