Solve:if y varies directly as the cube of x and if x =125 and x=5,find x when x=729

Step-by-step explanation:

y varies directly as the cube of x:

this means y is proportional to the cube of x

y α x^3

or

y = cx^3

Where 'c' is some constant.

plug in the given x and y and solve for c, then you can plug in c and the new x and solve for y.

Give it a shot and come back with a question and your attempt at solving this problem if you're still confused.

step-by-step explanation:

x + y = 90 5x – 10y = 90 90 – 10y = 5x 90 + 10y = 5x

step-by-step explanation:

last month maria hiked the 5-mile mountain trail a number of times and she hiked the 10-mile canal trail several times. let x represent the number of times she hiked the 5-mile trail, and let y represent the number of times she hiked the 10-mile trail. if she hiked a total of 90 miles, which equation can be used to find the number of times maria hiked each trail? x + y = 90 5x – 10y = 90 90 – 10y = 5x 90 + 10y = 5x