sentinal2686 sentinal2686

10-11-2017
Mathematics

contestada

If y varies directly as x, and yequals=77 when xequals=66, find y when xequals=1212.

Respuesta :

dannielle dannielle

14-11-2017

if y varies directly as x ⇒y/x=k
when y=77 and x=66⇒ y/x=77/66=7/6

when x=1212 ⇒ y/1212=7/6
y=1212*7/6=202*7
y=1414

Answer Link

Otras preguntas

What are the steps in the erosion cycle

why was samuel adams known as the firebrand of the revolution

The label on a tub of margarine states that 100 g of the margarine contains 0·70 g of sodium. The sodium is present as sodium chloride. Calculate the mass of so

what effect did the Enlightenment ideas have on the British colonies in north America?

half of Robert's piece of wire is equal to 2 thirds of Maria's wire. The total lenght of their wire is 10 feet. How much longer is Robert's wire than Maria's?

before Confucius who could hold government offices

a track team won first place in 0.91 of they meets they competed in this year what percents of the meets did the team win first place?

Select the product of (7x - 8)(4x + 9).

Help on geometry similar triangles #4

-5k + 7 ( -8 + 4k) Simplifying Algebraic Expressions