kellseyschmidtotcjm0 kellseyschmidtotcjm0

19-07-2017
Mathematics

contestada

The variable Z is directly proportional to X, and inversely proportional to Y. When X is 12 and Y is 18, Z has the value 2.

What is the value of Z when X = 19, and Y = 22

Respuesta :

19-07-2017

z = kx/y
2 = (k *12)/18
multiply both sides by 18
36 = k * 12
divide both sides by 12
3 = k

z = 3x/y
z = (3 * 19)/22
z = 57/22

Answer Link

Otras preguntas

Jerrod is concerned that he may have cancer, so he is planning to see a doctor. which quality should Jerrod's doctor have?a. he's doctor should be in a group pr

Which expression is equivalent to (2^3)^-5

Linke Motors has a beta of 1.30, the T-bill rate is 3.00%, and the T-bond rate is 6.5%. The annual return on the stock market during the past 3 years was 15.00%

A wire with a resistance of 4.7 is drawn out through a die so that its new length is 4 times its original length. Find the resistance of the longer wire, assumi

What is the capital of California

2. Frozen yoghurt with a temperature of 0°C is removed from a freezer and placed in a room which is at a temperature of 22°C. The temperature of the yoghurt is

ΔABC is located at A (3, 1), B (4, 4), and C (5, 1). Zackery says that ΔABC is an equilateral triangle, while Verna says that it is an isosceles triangle. Who i

Three times a number is three more than twice the number. Which equation can be used to find the value of x, the unknownnumber?

On an English test, John scored 50 points on the essay portion. The test also had short-answer questions worth 2.5 points each. Choose an expression for John’s

Read the excerpt from The Diary of Anne Frank. It is early morning, July 1942. The rooms are bare, as before, but they are now clean and orderly. Which best exp

ACCESS MORE