CeIrRaH CeIrRaH

20-04-2020
Mathematics

contestada

Is (1,6) a solution to this system of equations? 5x + y=11
2x + 3y= 20

Respuesta :

Anisatunizzati Anisatunizzati

21-04-2020

Answer:

x = 1

y = 6

Step-by-step explanation:

5x + y = 11 | ×3 |

2x + 3y = 20 | ×1 |

15x + 3y = 33

2x + 3y = 20

____________--

13x = 13

x = 13/13

x = 1

5x + y = 11

5(1) + y = 11

5 + y = 11

y = 11 - 5

y = 6

Answer Link

Otras preguntas

Which equation shows the correct factors for the quadratic equation 24x2 - 15 = 54x? 3x (8x + 5) = 54x 3 (2x + 5) (4x - 1) = 0 3 (8x2 - 5) = 54x 3(2x - 5) (4x

we _ in the classroom yesterday .(sit) change into simple past

Which is the equation of a parabola with Vertex (0,0) and directrix x=-2?

1/3x^2 = -3 The solution to the equation is ___?

How did the winds affect columbus' journey?

a box 4cm by 6cm by 8cm is painted on all six faces and then cut into cubes with the 2 cm sides. how many oof these cubes have only one side painted?

8. He spends his free time doing charity work. We admire his_________. (generous)

17. The sides of a rectangle are in the ratio of 5 : 4. If its perimeter is 144 cm, then its length is bi a) 40 cm b) 20 cm c) 30 cm d) 60 cm What is the answe

Carla was recently diagnosed with a brain tumour and has since completely lost her appetite. The brain tumour is likely located in her: dorsal hypothalamus late

A new moon is discovered orbiting Neptune with an orbital speed of 9.3 x103 m/s. Neptune's mass is 1.0 x1026 kg. A) What is the radius of the new moon's orbit?