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

Henry Kissinger was ______. Johnson's secretary of defense Nixon's national security advisor born in Yorba Linda, California Richard Nixon's vice president

What is the mean of the set of numbers? {–11, 22, –2, –3} a. –6.5 b. –1.5 c. 1.5 d. 6.5

What is 4r^-3 times 2r^2

Nationalism is to pride in one's national identity as a _______ is to a group of people who share a common identity, a sense of unity, and a desire for self-gov

sufijos de coleccionar

Ronald Reagan defeated in one of the biggest presidential election landslides in history.

Multiply. (–4) ∙ (–8) a. –32 b. –12 c. 12 d. 32

The early humans’ way of life made it impossible for them to live in which kind of shelter? A. rock shelters in cliffs B. tents C. permanent ho

David had $350. After shopping, he was left with $235. If c represents the amount he spent, write an equation to represent this situation. Then use the equation

What is the answer 6.25=r2