SophMate SophMate

02-10-2018
Mathematics

contestada

Solve the equation for y
[tex] \frac{2}{5}x + y = 3[/tex]

Respuesta :

ilianamendez16 ilianamendez16

02-10-2018

multiply both sides of the equation by 3.

2x+3y=9

move variable to the right side and change its sign

2x=9-3y

divide both sides of the equation by 2

x=9/2-3/2y

Answer Link

Otras preguntas

At which temperature would atoms of a He(g) sample have the greatest average kinetic energy? (1) 25°C (3) 273 K (2) 37°C (4) 298 K

Explain, in terms of electrons, why the radius of a calcium ion is smaller than the radius of a calcium atom.

According to one acid-base theory, water acts as an acid when an H2O molecule (1) accepts an H+ (3) accepts an H- (2) donates an H+ (4) donates an H-

At which temperature would atoms of a He(g) sample have the greatest average kinetic energy? (1) 25°C (3) 273 K (2) 37°C (4) 298 K

Which compound contains ionic bonds?(1) NO (3) CaO(2) NO2 (4) CO2

According to Reference Table N, which pair of isotopes spontaneously decays? (1) C-12 and N-14 (3) C-14 and N-14 (2) C-12 and N-16 (4) C-14 and N-16

Solve: 2a-3b=52a−3b=5 a+b=10

Which mass measurement contains four significant figures?(1) 0.086g (3) 1003g(2) 0.431g (4) 3870g

1) is water condensing a into liquid water a physical change or a chemical change? 2)what is the difference between dependent and independent variables when con

In the ground state, which atom has a completely filled valence electron shell?(1) C (2) V (3) Ne (4)Sb