Explain the error to divide 14 2/3 ÷2 3/4, Erik multiplied 14 2/3 x 4/3 explain Erik's error

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

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*