The sum of two numbers is-1 and their difference is -9 what are the two numbers

The two numbers are -5 and 4.

Step-by-step explanation:

Let the two numbers be 'x' and 'y'.

Given:

The sum of the two numbers is -1 and their difference is -9.

As per question:

Adding both the equations, we get:

Now, we got

Plug in the value of 'x' in the first equation. This gives,

Therefore, the two numbers are -5 and 4.

a net is a diagram that shows a “flattened” view of a solid. in a net, each face and base is shown with all of its dimensions. a net can also serve as a pattern to build a three-dimensional solid.

a pyramid is a three-dimensional object with a base that is a polygon and triangular faces that meet at one vertex.

" the net of a triangular pyramid consists of four triangles. the base here we are given of the pyramid is a equilateral   triangle, and the lateral faces are also triangles "