vaniamarie95
vaniamarie95
22-03-2014
Mathematics
contestada
0.6x-0.3y=-1.5
0.04x-0.02y=-0.1
Respuesta :
crisforp
crisforp
22-03-2014
6x - 3y = -15; /* 2 => 12x - 6y = -30;
4x - 2y = -10; /*(-3) => -12x + 6y = 30
____________
=> 0 = 0 True, for every x and every y real numbers;
the solution is {(x, 2x + 5) / x∈R };
Answer Link
VER TODAS LAS RESPUESTAS ( 45+ )
Otras preguntas
Please help!!! Write the symbol and ionic equations for the reaction of Iron oxide with carbon
Given: ABCD is a parallelogram.Prove: ∠A ≅ ∠C and ∠B ≅ ∠DParallelogram A B C D is shown.By the definition of a ▱, AD∥BC and AB∥DC.Using, AD as a transversal, ∠A
Combien de temps s'est-il écoulé entre le départ et le retour au pays de Jean ? aux champs
How much heat does your body lose when 6.35 g of sweat evaporates from your skin at 25 ∘C ? (Assume that the sweat is only water.) The heat of vaporization of w
Explain why Halley’s Comet is part of our solar system.
Both metaphor and analogy make comparisons A. to strengthen the writer's message. B. to revise the writer's message. C. to outline the writer's message. D. t
What is the multiplication problem that means the same thing as the division 1/3 ÷ 7 problem ? 3 x 1/7 1/7 x 1/21 1/3 x 1/7 1/3 x 7
Which of the following was NOT one of Ghana's chief trading exports? A. Gold B. Ivory C. Horses
How does the dialogue contribute to the plot of the story? A. It shows tension between Maggie and her coworkers. B. It reveals the reason Roberta Jules' vis
2. The hours we're expected to work now are___they used to be. a) bit more than b) as far as c) considerably more than d) the same than
