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

Food maintained at a specific temperature when sitting is known as hot or cold... standing waiting. thawing. holding.

Which statement defines an ore?

A society can be categorized into different types of based on various modes of life. name them.

Convert 15,000 seconds into minutes

Andrea's Sequoia gets 12 miles per gallon while driving in the city, and 20 miles per gallon while on the highway. The last time she filled up the car it took 1

easy biology question below first correct answer gets brainliest

Start with the number 2380. Divide by 10, The 8 will end up in the _____ place.

A bookstore sells books at a profit of at least 15% of the final selling price. The store buys a certain book at a cost of £17. If the store gives students a 20

Prove that angle ABD is congruent to angle CBE with solution!

If you were given the opportunity to choose the members of your rular municipality, what type of candidate would you choose?