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

What are the physical characteristics of the Fertile Crescent

Solve the inequality 2x - 3 < x + 2 ≤ 3x + 5. Show your work.?

UMM who's good at science bc i need help?!?!?! ~ Where does the heat come from that drives this convection current in the mantle? Please help!!!

what is the answer to the equation 7x-5y=20

How did the Dred Scott decision affect the Missouri Compromise and the expansion of slavery

Describe the efficiency of energy transfer between trophic levels in an ecosystem and discuss how deforestation may affect energy flow through the global ecosys

How do u do this? I need help in my hw

write an equation of the line that passes through (8, -12) and is parallel to the line 3x + 4y=4

what famous native American attempted to create a unified confederacy of native American tribes to stave off white encroachment in the west?

Can anybody help me on all three plz it's due tm ??!!!!