howardmj80 howardmj80

03-03-2020
Mathematics

contestada

Solve for K, the constant of variation, in a joint variation problem where y=520, x=5, z=6.5. Solution is?

Respuesta :

Onoriodefelix Onoriodefelix

03-03-2020

Answer:

K = 676

Step-by-step explanation:

When y is directly proportional to x and inversely poportional to z

We have

y = kx/z

When y =520

x = 5

z = 6.5

K =?

We have

520 = k x 5/6.5

Cross multiply

520 x 6.5 = 5k

3380 = 5k

Divide both sides by 5

3380/5 = 5k/5

676 = k

k = 676

Answer Link

Otras preguntas

How did new weapons and technology change the course of war during World War I?

In which biome would you find organisms adapted to infrequent rain? desert taiga temperate forest tropical rainforest

1. What function does the shape of the star-nosed mole's nose serve? - It helps the mole breath under water -It helps the mole eliminate excess heat. - It helps

What is the main character in a short story called

(7x-6y) and (x+y) What is the sum?

A circle has a diameter of 6 cm. What is its area? 18.84 cm 2 37.68 cm 2 28.26 cm 2 9.42 cm 2

Jan's scores on five quizzes were 2, 8, 8, 9, and 10. Is the mean or median the best measure of center to summarize Jan's scores? A.median B.mean C.Both mean a

Hadi earned $120.00 from his job yesterday. Today he expects to earn 15% less than yesterday and tomorrow he expects to earn 15% more than today. What is the co

where is copper in the periodic table?

what does Antidisestablishmentarianism mean