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

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

jenna flips to pennies 105 times how many times can she expect both coins to come up heads

Mrs. Penny has taught Mike all three types of accounting systems. These accounting systems care single-entry, double-entry and pegboard or write-it-once system

The federal budget is a record of the nations

Randy works 50 weeks a year, averaging $500 a week in wages. He is offered a salaried position at $27,500 a year. If he accepts it, he will make ______

What is Romeo's plan for returning to Juliet's window after the wedding?

The amount of salt in the ocean____________ changed

what is ? + 57 = 73

Which county government system most resembles the structure of the federal government?

Which of these BEST describes why more men became part of the temperance movement in the United States in the 1830s?

In the proverb, "A stitch in time saves nine," the words nine and time illustrate WHAT ?