Seudónimo Seudónimo
  • 16-09-2021
  • Mathematics
contestada

Prove that if x and y are rational numbers then 5x
2 − 7y is a rational number

Respuesta :

brooks39260 brooks39260
  • 16-09-2021

Answer:

It is a rational number

Step-by-step explanation:

Answer Link

Otras preguntas

A town has three roads that form an obtuse triangle. James wants to set up a refreshment stand so that the shortest distance from his stand to each road is the
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Under which of the following scenarios would it be appropriate for the vice president to assume the office of the president?A.President Obama travels to Nova Sc
Why has Muslim extremism led to conflict in the region?   a. Mainstream citizens never practice any religion at all.   b. Mainstream citizens want an educatio
According to Edward Abbey, what must happen before the land around Glen Canyon can return to its natural state? A. The native wildlife must be returned to th
What event in Europe was influenced by the American Revolution?
Sandy wants to split one-half of a pan I have brownies between herself and three Friends. How much of the pan of brownies will each person get?
can somebody help me with this question
In 5 sentences explain the AEF during ww1?? ...... PLZ HURRY !!
Typically homes ___________ over time and cars ______________ over time.