06-01-2022
Mathematics

contestada

In an equation, y varies directly is a x varies. If y =86 when x=20, what is the value of x when y=129?

Respuesta :

tiffanylina18 tiffanylina18

06-01-2022

x = 30
u can set it like 20/86
you can simply it to 10/43 (divide by 2)
u can then set 10/43 proportional to x/129
cross multiply and you get 30

Answer Link

Otras preguntas

Identify what SI unit replaces the pound.What does this measure?

How could you represent the division as a fraction if 5 people shared 2 blocks? If 6 people shared 5 blocks?

Evaluate functions w(n)=n^2-3n; find w(6) h(n)=2n; find h(5) h(x)=x^2+4x; find h(-7)

What is the scientific notation for 1,520,000,000??? Help soon!!!

mike, who has 6 video games, has half as many games as Paul. Turn this into an algebraic equation.

A 26’ long painting is how many yards long?

why do people call native americans apache

Alessia is paid 1.4 times her normal hourly rate for each hour she works over 30 hours in a week. Last week she worked 35 hours and earned $436.60. Write and so

solve the problem. give that f(x)=4x²-7x;find all values of a such that f(a)=15 HELP!!!

write 3.29 as a fraction or a mixed number