STARTER1986 STARTER1986

02-12-2017
Mathematics

contestada

If we know that u varies inversely as x and y =8 when x=15, what is y when x=10? What is the constant of variation?

Respuesta :

altavistard altavistard

02-12-2017

The appropriate math model would be y = k/x.

Unsure of why you are using " u " here.

If y = 8 when x = 15, then 8 = k/15, and k = 120. This is the const. of var.

Then y = 120/x. If x = 10, y = 120/10 = 12.

Answer Link

Otras preguntas

Evans uncle gave his money for his birthday. He puts half of the money in his savings account,spend 1/5 of the money on bubble gum to share with his friends,and

Which word in the sentence is an indirect object?Choose all answers that are correct.Give Ben and his cousins a snack before bedtime. A.cousins B.snack C.Ben

Will someone please explain how to do -(7c-18)-2>0 Step for step??? I don't understand how to.

The quotient of a number and 5, minus 2,is 8.

sari has 3 times as many pencil erasers as sam. together, they have 28 erasers. he may erasers does sari have

whats the answer to: 11x/18

please help me solve for

A professional baseball team won 84 games this season. The team won 14 more games than it lost. There were no ties. How many games did the team lose? How ma

89.36 rounded to the ones place

The quotient of a number and 5, minus 2,is 8.