To find the mean, you must add all of the value and then divide by how many there were so
(9+12+10+8+11+12+13+6)/8
81/8
10.125 inches
Given:
Perimeter of the triangle = 99 ft
Length of two sides are 20 ft and 42 ft.
To find:
The length of missing side.
Solution:
Let the missing side be x.
Perimeter of a triangle is the sum of all sides of that triangle.
Subtract 62 from both sides.
Therefore, the missing side of the triangle is 37 ft.
Answer:
3cm x 7cm x 3cm = 63 cm^3
Step-by-step explanation:
Do you need this simplified?
If so, 30x^4a2 + 18x^2a^3 -6x^2a^2=0
Answer:
I believe it's the first one