mukerian2
mukerian2
21-11-2016
Mathematics
contestada
Xy=30
3x-y=-9
Solve by the substitution method
Respuesta :
Аноним
Аноним
21-11-2016
If XY = 30, then we can make x=30/y.First:3x=-9+yx=-3+y/3By substitution, we get:30/y=3+y/330=3y+3y/y30=3y+33y=27y=9Hope this helps!
Answer Link
VER TODAS LAS RESPUESTAS ( 14+ )
Otras preguntas
What is the measure of 26? O m26=45° O m26=54° O m26=117° O m26=126⁰
5 countris that is in frigid zone
Identify the equation that describes the line in slope-intercept form. slope =3, point (2,−4) is on the line Answer Choices: y = 3x − 2 y = 3x − 4 y = 3x − 10 y
Were the revolutions of 1830 and 1848 successful in bringing about the lasting reforms that radicals sought? Why or why not?
Ali invested his saving in two investment funds. The amount he invested in Fund A was 3 times as much as the amount he invested in Fund b. Find A returned a 4%
1b. Ralf gives $2 to Susie. Calculate the new ratio Ralf's money: Susie's money. Give your answer in its simplest form.
Hey can anyone pls answer this
The depth and the corresponding pressure form an arithmetic sequence, where the depth represents the number of the term and the corresponding distance represent
The probability of an event is 5 out of 9. what is the probability of the complement of this event?
Find Fate in chivalry neil gaiman with quotes would be great too
