simba196 simba196

01-08-2016
Mathematics

contestada

a + c =150
9a + 6c = 1155

Respuesta :

konrad509 konrad509

01-08-2016

[tex]a+ c =150\\ 9a + 6c = 1155\\\\ a+c=150\\ 3a+2c=385\\\\ -2a-2c=-300\\ \underline{3a+2c=385}\\ a=85\\\\ 85+c=150\\ c=65 [/tex]

Answer Link

Otras preguntas

how are unicellular and multicellular organisms alike

（╯°□°）╯︵(\ .o.)\(╯°□°）╯︵ ┻━┻

How has average income changed since the 1950s.

1) The length of time it takes to fill an order at a local sandwich shop is normally distributed with a mean of 4.1 minutes and a standard deviation of 1.3 minu

A __________ is the general idea of objects, events, animals, or people based on common features, traits, or characteristics. A. Function B. Concept C. Model D.

Is this statement true or false? A gemstone is a hard, colorful mineral with a glassy or shiny luster. True false.

which is greater -9/20 or -0.5

What do budding, binary fishing and spore formation have in commen?

who was the french philosopher and writer who criticized injustices in religion and politics and believed people should be free to use their reason and make up

What region is kentucky in.