I'm not sure but I think the answer might be, (3x-1)^2/9
350 of the 20 dollar student and 150 of the 15 dollar ones
You cannot use the Pythagorean Theorem to find the side of a equilateral triangle because you can only use it to find the side of a right triangle. The Pythaggorean Theorem only works for right triangles.
Answer:
c. 52
Step-by-step explanation:
since that triangle QRE is a right angle triangle
therefore QE = root 5²_3² = 4 cm " pythagorean "
since triangle PQE is a right angle triangle
therefore PQ= root 4²+6²= 2 root 13 = root 52
Answer:
35% off
65-42.25 = 22.75/65 = 0.35 = 35%
