owenhayes11p3eiyp
owenhayes11p3eiyp
30-04-2018
Mathematics
contestada
i need help super bad!!!!
Respuesta :
mkryukova19
mkryukova19
30-04-2018
4x+7y=47 /*4 ------>16x + 28y=188
5x-4y=-5 /*7 -------->35x-28y=-35
16x + 28y=188, add this two equations
35x-28y=-35
16x + 28y+35x-28y=188-35
16x +35x=188-35
51x =153m
x=3
5x-4y=-5
5*3-4y=-5
15-4y=-5
4y=15+5
4y=20
y=5
Answer (3,5), B
Answer Link
VER TODAS LAS RESPUESTAS ( 66+ )
Otras preguntas
Gloria can't get through the day without several cups of coffee and energy drinks. She says she needs the caffeine to function normally. What type of drug is Gl
Diddle Corp. prepared the following reconciliation of income per books with income per tax return for the year ended December 31, 2011: Book income before incom
Which of the following is true?
The global climate is changing, and this change is apparent across many of Earth’s subsystems. Multiple sources attribute the global warming of the past 50 year
How and why did Chicago become a major jazz center? What was the typical band lineup for these classics jazz ensembles? Who were the major artists? How did big
Can someone please help me with this
Convection in the Earth's mantle A. causes cooler mantle rock to rise upward. B. prevents internal heat from escaping. C. drives heat inward toward the
Recently it has been observed that the population of salmon is decreasing in a large river. Environmentalists believe that it is happening because of the hydrop
Simon was dissatisfied with the meal and service he received at a restaurant, so he complained. The manager came out and was arrogant to Simon, and Simon felt l
Which equation in slope intercept represents the line that goes through the points (-1, -5) and (1, -1)
