Step-by-step explanation:
49² + 98 + 1 compared to a² + 2ab + b² means that
a = 49
b = 1
as this would be 49² + 2×49×1 + 1² = 49² + 98 + 1
so, we have actuality
(49 + 1)² = 50² = 2500
Answer:
C this is a double blind study.
Step-by-step explanation:
Both groups in the experiment are blind (don't know they are in an experiment). If this answer is incorrect then its A.
Congruence by ASA (Angle-Side-Angle): Triangles are congruent if any two angles and their included side are equal in the triangles.
For the given triangles:
Answer:
x=10
Step-by-step explanation:
P+S=140
(5x+30)+80=140
5x+30=80
5x=50
x=10