Answer:
D. (6,6)
Step-by-step explanation:
Given the system of two equations
1. Add these two equations:
2. Subtract these two equations:
Hence, the solution to the system is (6,6)
The length of a pencil is 7½ inches. What is the combined length of 9 pencils that are this size?
2 answers:
You might be interested in
ANSWER:
the conditions are the angle a is equal to angle c and ab = bc . Hence we need to prove that the triangles is congruent to the triangle cbe. ... angle A =angle C and AB=BC.
