chefmaryrusso chefmaryrusso

01-05-2021
Mathematics

contestada

A pool can be filled by one pipe in 8 hours and by a second pipe in 2 hours. How long will it take using both pipes to fill the pool?

Respuesta :

eliezerkafunya eliezerkafunya

01-05-2021

let the time taken to be filled by both pipes be y

1/2 +1/8=1/y

(4+1)/8=1/y

5/8=y

cross multiplying

5y=8

y=8/5

=1.6hrs

Answer Link

Otras preguntas

Find the slope of the curve at the given x-value. Give a decimal answer rounded to three decimal places. y = x/x^2-1 x = 9

What is the solution set of the following system of equations? y=3x+6 y=(x+4)^(2)-10 The solution tothe system is at (-5,-9). The solutjon to the system is at (

A chemist decides that she wants an increased amount of product from an endothermic reaction. Which of the following methods would guarantee that she would achi

Brandy wants to buy a camera for $315. Suppose she saves $15 a week. How many weeks will it take to afford the camera? Write your answer as a equation with x as

8. What is the force of attraction between a 20,000 kg truck and a 3,200 kg car when separated by 4 meters? a. 0.0003 N b. 0.5 N c. 9.8 m/s/s d. 10 N

100 points!!!!!!!!!! A community has an empty field ready for development and plans to place a playground in the center. A model of the plan for the project is

What is the solution set of the following system of equations? y=3x+6 y=(x+4)^(2)-10 The solution tothe system is at (-5,-9). The solutjon to the system is at (

8. What is the force of attraction between a 20,000 kg truck and a 3,200 kg car when separated by 4 meters? a. 0.0003 N b. 0.5 N c. 9.8 m/s/s d. 10 N

For this question, A new building is formed by a square prism with a square pyramid on top. The base has an edge length of 60 feet, and the height of the prism

the graph of f(x)=|x-h|+k contains the points (-6,-2) and (0,-2). the graph has a vertex at (h,-5). descrie how to find the value of h. then, explain how this v