Solve the system of equations. −2x+15y=−24 2x+9y=24 x= y=
1 answer:
You might be interested in
Answer:
1. I have simplified the first question:
2. I have found the parabola properties:
Answer:
See explanation
Step-by-step explanation:
Consider triangles ABC and DEC. In these triangles,
- given
- given;
as vertical angles.
So,
by SAS postulate (two sides and angle between these sides of one triangle are congruent to two sides and angle between these sides of another triangle, so triangles are congruent).
Congruent triangles have congruent corresponding parts, hence,