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 was one way the Inca unified their empire? A. They built a powerful army to defend the empire. B. They allowed conquered people to elect rulers. C. They f

Answer this Question Please!

592 rounded to nearest hundred

Solve each of the quadratic equations 0=5x^2-2x+6

At a party there are 40 cookies. There are 5 chocolate cookies for every 3 oatmeal cookies,how many oatmeal cookies are there

I need help with #12 b

How do I find the sine

how many bones do an adult and newborn baby have

Please help! Will give brainly. Which product is missing from the Kreb's cycle? Pyruvate + Oxygen → _________ + 2 ATP

What is the difference in time between crossing a bridge that is 2,737 meters long at an average speed of 322 meters per minute and in crossing the same bridge