Someone please help me!!

Systems of equations that have the same solution are called equivalent systems. We can produce an equivalent system by replacing one equation by the sum of the two equations, or by replacing an equation by a multiple of itself.

1/3x+y=5/4

and

2x-4y=5

Now we use elimination

y=-1/3x+5/4

-4y=4/3x-5

4/3x+4y=5

and

2x-4y=5

Eliminate the y's,

10/3x=10

10x=30

x=3

Plug into other equation

2x-4y=5

2(3)-4y=5

6-4y=5

1=4y

y=1/4

Answer (3,1/4)

Brainliest/Heart would help

answer: option a.

step-by-step explanation:

you know that the quadrilateral opqr ( a four sided figure) is inscribed in circle. this means that all its vertices are on the circle.

then, by definition, the opposite angles of the quadrilateral are supplementary, this means that the sum of their measures is 180 degrees.

you can observe in the figure that the angles ∠opq   and the angle ∠orq   are opposite, therefore:

then, can be used to d to calculate the measure of ∠opq

proofs involving isosceles triangles often require special consideration because an isosceles triangle has several distinct properties that do not apply to normal triangles.(more about triangle types) therefore, when you are trying to prove that two triangles are congruent, and one or both triangles, are isosceles you have a few theorems that you can use to make your life easier.

step-by-step explanation:

an isosceles triangle has two congruent sides and two congruent angles. the congruent angles are called the base angles and the other angle is known as the vertex angle. ∠bac and ∠bca are the base angles of the triangle picture on the left. the vertex angle is ∠abc