Answer:
I got 1
Step-by-step explanation:
I dont know if I go it right
Translate into math language:
7 - 3x = 23→ -3x = 23-7 → - 3x = 16 and x = - 16/3
the geometric mean is 20
the geometric mean of 2 numbers a and b is 
=
= 20
Answer:
0.75, 0.64, 0.79, 0.69
Step-by-step explanation:
I hope this helps!!!!
Answer:
106.5 square units.
Step-by-step explanation:
See the attached diagram.
The pentagon ABCDE consists of three triangles namely Δ ABC, Δ ACD, and Δ ADE when we join the diagonals AC and AD.
So, Area of Pentagon ABCDE = Area of Δ ABC + Area of Δ ACD + Area of triangle Δ ADE.
⇒ Area of Pentagon ABCDE = (31.8 + 39.2 + 35.5) = 106.5 square units. (Answer)