soltmanc55 soltmanc55

07-08-2017
Mathematics

contestada

If w varies jointly as x and y when w = 12, x = 2, and y = 18, what is the value of y when w = 16 and x = 6?

8/9
13.5
8

Respuesta :

kphung76127 kphung76127

07-08-2017

Joint variation means that w=kxy where k is constant.
Finding k:
12=k*2*18
12=36k
k=1/3

Now plug in second set of values
16= 1/3*6*y
16=2*y
y=8

Final answer: 8

Answer Link

07-08-2017

The answer is eight

Answer Link

Otras preguntas

what would be the y-intercepts of the line with the equation 4x-9y=30

Name some words that are 5 letter words and means: element meaning is government

Which statement about the movement of Earth's crust along a fault line is true? Only horizontal, side-to-side movement occurs along faults. Different types of m

Can you show your work for me on divided Omg 0.6 and 12.9

Dan’s brain is 0.039 of his body weight. What percent of Dan’s body weight is his brain?

Newton’s third law of motion states that every action has an __________ but __________ reaction. a. equal, identical c. equal, opposite b. opposite, real d. ide

If it takes 2 years for 3,000 people to build a boat, how long would it take 2 people?

Gary is 3 years older than twice the age of his sister (Elena) __________. Which shows an equation for this situation A) G=6E B) G=2E+3 C) E=3G+2 D) G=3G+2

PLEASE HELP I GIVE THANKS

Four Fifths of the total number of students take the school bus to school. A. what percent of the total number of students do not take the school bus to school