Working alone, Ryan can dig a 10 ft by 10 ft hole in five hours. Castel can dig the same while in six hours. How long would it take them if they worked together?

hours.

Step-by-step explanation:

Let t represent time taken in hours by both working together.

So part of work completed by working together in 1 hour would be .  

We have been given that working alone, Ryan can dig a 10 ft by 10 ft hole in five hours. So part of work completed by Ryan in 1 hour would be .

We are also told that Castel can dig the same while in six hours. So part of work completed by Castel in 1 hour would be .

Since they will work together, so we can equate sum of work completed by both as:

Therefore, it will take hours to dig the pool working together.

the answer is 48m^2!

step-by-step explanation:

given : the shape of his satellite can be modeled by   where x and y are modeled in inches.

now,the given equation   is a equation of parabola.

here, coefficient of x is positive, hence the parabola opens rightwards.

on comparing this equation with standard equation , we get

in standard equation, coordinates of focus=(0,m)

thus for given equation coordinates of focus=(0,1.5)

step-by-step explanation: