brionamcleod4 brionamcleod4
  • 01-12-2015
  • Mathematics
contestada

Y varies directly as x
If x= 5 when y= 12 find x when y = 30

Respuesta :

yoloswaggs51
yoloswaggs51 yoloswaggs51
  • 01-12-2015
Set up a proportion so 12/5= 30/x so cross multiply 5 times 30 is = to 12x now divide 150 (which is 30 times 5) by 12 and you get 12.5. So 12.5 is your answer
y 12 - x 5
y 30 - x ?
x= 30 × 5 ÷ 12
x = 12.5
Answer Link

Otras preguntas

The combination for a like is a 3 digit number. The digits are the prime factors of 42 listed form least to greatest. What is the combination for the lock?
117,821 round to the nearest ten thousand
Energy in organisms is called _____. organelles metabolism homeostasis cells
how many inches tall is a 7 foot basketball player
how can a physical map help explain the historical development of a country
21,326,438.86 expandedform
a car that originally cost $24,000 is marked down by twenty percent.how much will it now cost to buy the car? please tell me how you got the answer. thanks!
what is the value of the 9s in 9,975
The combination for a like is a 3 digit number. The digits are the prime factors of 42 listed form least to greatest. What is the combination for the lock?
What are the distinct factors of 40