Seudónimo Seudónimo

19-10-2017
Mathematics

contestada

What is the x coordinate in the solution of the system of equations y =-2/3x and 4x - 9y =-40

Respuesta :

19-10-2017

The two given equations are:
y = -2/3 x
4x - 9y = -40

Substitute by the first equation in the second as follows:
4x - 9(-2/3 x) = -40
4x + 6x = -40
10x = -40
x = -4

Answer Link

Otras preguntas

Does the green tea have coffein ???

Who knows the book Rose Blanche

The two epics written by Homer the Illiad and the Odyssey are considered to be what's known as Primary epics. The third book written by Virgil, The Aeneid , is

Does the green tea have coffein ???

Your model locomotive is 16 inches long. It is an exact model of a locomotive that is 40 feet long. A window on the locomotive is how many times wider than a wi

How to make money quickly

The two epics written by Homer the Illiad and the Odyssey are considered to be what's known as Primary epics. The third book written by Virgil, The Aeneid , is

The coordinates of the vertices of ANGLE PQR are P(-3,3), Q(2,3), and R(-3,-4). Find the side lengths to the nearest hundredth and the angle measures to the nea

The coordinates of the vertices of ANGLE RST are R(-3,5), and S(4,5), and T(4,-2). Find the side lengths to the nearest hundredth and the angle measures to the

Does the green tea have coffein ???