Jennette904 Jennette904

21-04-2015
Mathematics

contestada

Variable y varies directly with variable x, and y = 9 when x = 5.

What is the constant of variation in decimal form?

Respuesta :

21-04-2015

Direct variation:

[tex]\sf~y=kx[/tex]

Plug in what we know:

[tex]\sf~9=k(5)[/tex]

[tex]\sf~9=5k[/tex]

Divide 5 to both sides:

[tex]\sf~k=\boxed{\sf1.8}[/tex]

So the constant of variation is 1.8.

Answer Link

Otras preguntas

The marked price of a guitar is Rs 5,500. After allowing 10% discount and levying same percentage of VAT, the guitar is sold. By how much percent is the VAT amo

87/2 in its simplest form

Cultures that score high on the Uncertainty Avoidance Index O seldom experience much stress. O take an empirical approach to knowledge. O enjoy ambiguity. O val

please help me answer this with solution

plane as points A, B, and C. b. Name another point that is coplanar with points E, H, and C. For more exercises, see Extra Skill, Word Problem, and Proof Pra So

Graph a right triangle with the two points forming the hypotenuse. Using the sides, find the distance between the two points, to the nearest tenth (if necessary

A text message plan costs $4 per month plus $0.48 per text. Find the monthly cost for x text messages.

Blackbirds flight path can be modeled by the quadratic equation y=-1/6 (x-4)(x-28)

Find the value of a and b, so that the system of equations has a solution (2, -3) 3x + 5y + 9 = 0 ax + by = 11 Please give an explanation with the answer, thats

What is the average atomic mass of a sample of Calcium, if you have 37 atoms of Calcium-40 and 10 atoms of Calcium-41?