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

PLEASE, PLEASE HELP ME?!?4. Identify the word or words that the underlined phrase modifies.The cool, blue water in the pool attracts everyone on these hot summe
Write the word form and tell the value of the underlined digit. 9,000,009 the first 9 is underlined
graphs are used to show how the responding variable changes in response to the -------------------  variable.
AB←→ is perpendicular to CD←→. How many 90° angles are formed by the intersection?
how a convection current can enable a hawk or eagle to soar upward without flapping its wing
Explain why the relationship is not linear.
how many atoms of hydrogen are present in the reactants and in the products? 6CO2 + 6H2O → C6H12O6 + 6O2
fructuse, sucrose, and starch are all examples of ? carbohydrates, lipids,nucleic acids or proteins?
Where does all of the energy in an ecosystem ultimately come from? Please help
describe 2 ways you could evaluate 37% of the sum of 27 3/5 and 15/9