Seudónimo
Seudónimo
02-12-2016
Mathematics
contestada
solve system by elimination
9x-3y=3
3x+8y=-17
Respuesta :
apologiabiology
apologiabiology
02-12-2016
multiply 2nd equation by -3 and add to first
9x-3y=3
-9x-24y=51+
0x-27y=54
-27y=54
divide both sides by -27
y=-2
sub back
3x+8y=-17
3x+8(-2)=-17
3x-16=-17
add 16 to both sides
3x=-1
divide 3
x=-1/3
(x,y)
(-1/3,-2)
Answer Link
VER TODAS LAS RESPUESTAS ( 67+ )
Otras preguntas
what are the factor pairs of 38
Three friends go bowling the cost per person per game is $ 5.30 the cost to rent shoes is $ 2.50 per person.Their total cost is $ 55.20 how many games did they
what are the next three numbers in this pattern 1,2,3,5,8
Jim has a box in the shape of a rectangular prism. The area of the base of the box is 48 square inches. The volume of the box is 144 cubic inches. let h= the he
27 devided by 1053 in decimal form like 528.6
is uncover a base word or roots word. is kingdom a base word or roots word. is valuable a base word or roots word. is beautiful a base word or roots word. is di
What part of the cell produces ATP for the blueberry plant to grow? A. Mitochondrion B. Cytoplasm C. Ribosome D. Nucleus
How many “dots” would be around the central atom in the Lewis structure of S? A) 5 B) 6 C) 7 D) 4
what are the next three numbers in this pattern 1,2,3,5,8
where are chromosomes found in eukaryotic cells
