starprincessbianca starprincessbianca

03-04-2020
Mathematics

contestada

It takes 36 minutes for 7 people to paint 4 walls. How many minutes dose it take for 9 people to paint 7 walls?

Respuesta :

gavin3458128637839 gavin3458128637839

03-04-2020

4 walls need 262 people/minutes (7)(36)
1 wall takes 63 people/minutes (262/4)
7 walls need 441 people/minutes (63)(7)
9 people could do that in 49 minutes (441/9)

Answer Link

Otras preguntas

Consider two linear transformations y = T(x) and z = L(y), where T goes from R^m to R^p and L goes from R^p to R^n. Is the transformationz = L(T(x)) linear as w

let f(x)=2x-3 and g(x)= -x^2-1 find ( g o f) (x)

2-3 facts about Warsaw Pact

If 52 x equals 7800 y what does 1 x equal? What is the maths equation?

Tennis balls with a diameter of 2.5 in. are packaged 3 to a can. The can is a cylinder. Find the volume of the space in the can that is not occupied by tennis b

which of the following expressions does not equal: the sixth root of 81x^4y^8 a. (3xy^2)^2/3 b. (3x)^2/3y^4/3 c. (3x^2y^4)^1/3 d. cube root of 9x^2y^4

An ice cube is dropped into boiling water. How will heat flow between the water and the ice cube?

let g(x)=x-3 and h(x)=x^2+6 find (h o g) (1)

write an equation that is perpendicular to the line y = 2x + 13?

You would expect a phosphorous-chlorine bond to be 1. nonpolar, with the neither end having a partial charge. 2. polar, with neither end having a partial charge