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
VER TODAS LAS RESPUESTAS ( 62+ )
Otras preguntas
Which expression gives the measure of ZXYZ? Z 110 W A. 110° + 42° OB. B. (110°-42°) C. 110°-42° D. (110° +42°)
Find the rate % on $3,200 for 6 years that will attract a SI of $400.
graph the polynomial function k(x) = x^6-17x^5+18=0
An object’s mass changes depending on gravity. true or false
what’s the GCF of 13q^4 and 2p^2
Determine the mass of sugar needed for 100.0 mL of a 0.0500 M C12H22011 stock solution.
what are the zeros of f(x) = (x-1) (x+6)? select all that apply
The two divisions of the ANS have antagonistic effects on each of the following EXCEPT: A. gastrointestinal peristalsis B. the diameter of the blood vessels in
The length of an arc of a circle is 12 cm. The corresponding sector area is 108 cm². Find: a) the radius of the circle b) the angle subtended at the centre of t
Cameron would like to put his music in order by the date he downloaded the music. He should _____. Responses delete a record delete a record locate a record loc
