katherinekinsey katherinekinsey
  • 23-04-2021
  • Mathematics
contestada

If y varies directly with x and y = 84 when x = 12, find y when x = 11.

Respuesta :

Leora03
Leora03 Leora03
  • 23-04-2021

Answer:

y= 77

Step-by-step explanation:

Write down the equation for direct proportion.

y= kx, where k is a constant.

Find the value of k.

When x= 12, y= 84,

84= k(12)

12k= 84

k= 84 ÷12

k= 7

Substitute the value of k into the equation.

y= 7x

When x=11,

y= 7(11)

y= 77

Answer Link

Otras preguntas

Skylar goes to a school which has 1000 students in it.She asks 40 random students whether they like the new 8.30 am start to the day. 30 of them say ‘no’ they d
Ocean exploitation is limited by
Can someone help me find an equation for both of these ❤️
Calculate mass in grams in 2.28 mol of h2so4
Estimate the solutions to the system. (The math problem and the answer choices are along with the pictures below)!!!!
Which is the closest synonym for the word tenacity?
Which are correct representation of the inequality minus 32X -5 less than 52 minus X select two options
How does the narrator of "A Rose for Emily" view Emily? A. as a murderer B. as a woman stuck in the past C. as a wise crone D. as none of the above
Pleaseee helppp which one is and whyy!!!!
major impact of warshaw ghetto uprising