20 fósforos foram alinhados lado a lado o qual mediam 3 cm qual o diametro de cada fósforo

Solve the equation using the zero-product property. -3n(7n - 5) = 0 a. 0, -5/7 b. -1/3, -5/7 c. -1/3, 5/7 d. 0, 5/7

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

Write a problem for the equation 0.5n=12.5. then solve the equation and write the answer to your problem.