davidanguiano711612 davidanguiano711612

25-02-2021
Mathematics

contestada

Which system of equations has exactly one solution?

2x - 4y= 8
X+ y = 7

3x+y=-1
6x+2y = -2

3x+3y=3
-6x-by=3

3x-2y = 4
-3x+2y = 4

I need help please!!!!!

Respuesta :

kaur459 kaur459

25-02-2021

Answer of 2x-4y=8 is = x= 6
Explanation 2x - 4y=8
+4. +4
= 8+4 = 12
2x. = 12
2➗. ➗2
2➗ with 12 = 6
Answer =x=6

Answer Link

Otras preguntas

What must a cell do first to divide successfully? A.duplicate its genetic information B.increase its ratio of surface area to volume C.increase its number of ch

According to the kinetic theory of gases, the kinetic energy of molecules is proportional to which factor? A. Concentration in moles/liters B. temperature in ke

Erica earns $11.00 per hour and works a 40 - hour workweek. She is paid time and a half for every hour worked over 40 hours during a week. Erica earned $60 5.0

Factors that affect the entire community and that are non-living are called ____________.

How do u factor out the coefficient of the variable??? 1/2Q+5/2

As a Southern Democrat, Andrew Johnson wanted all of the following EXCEPT: a. the quick return of former Confederate states to the Union b. vetoes on the Fourte

Meter in poetry is determined by which of these? a. the arrangement and repetition of beats or accents in each poetic line b. the repetition of consonants that

For the simple harmonic motion equation d=8sin(4pi t), what is the maximum displacement from the equilibrium position? Is the answer 4?

All of the following were true about the changing roles of women in society at the turn of the 20th century EXCEPT: a. many women demanded equal pay for the sam

In biological systems most of the original energy from the sun is lost as? A. Light B. Kinetic energy of motion C. Heat D. Potential chemical energy