rahimasfdr0 rahimasfdr0

04-08-2020
Mathematics

contestada

if y is directly proportional to x and y=5 when x=2, find the value of y when x =7

Respuesta :

04-08-2020

Answer:

y = 17.5

Step-by-step explanation:

y = kx

→ Substitute in the values

5 = 2k

→ Divide both sides by 2 to isolate k

k = 2.5

⇒ y = 2.5x

→ Substitute in x = 7

y = 2.5x ⇔ y = 2.5 × 7 ⇔ y = 17.5

Answer Link

Otras preguntas

What is the most common error in the lighting of high school plays?

one of these students is chosen at random. what is the probability of picking a student who scored above 65

In the opening chapter of the text "their eyes were watching god" , Hurston sets up a contrast between men and women. She metaphorically says men are impractica

Is 15-4x and -4x+15 equivalent

will someone plz give me brainliest :(

The local government decides that a park is needed for area kids to play in. They decide that the land that is needed is on Maria’s property. They decide to tak

y=-2x+14x+y=9 solve using the substitution method please show steps

Properties that depend on the concentration of a solute in a solution but not on the identity of the solute are _________ properties.

HELP Creat a food chain. Choose the biotic factors from the list and move them onto the hotspots marked with circles! Biotic factors: minnows, trout, herons, m

Which expression is equivalent to ? WIN ON o comº