Answer:
x=9
Step-by-step explanation:
find x
2(x+5) = 3x+1
2x+10 = 3x+1
10-1 = 3x-2x
9 = x
x = 9
Whole numbers because it includes the natural numbers plus zero
Answer:7980 ways
Step-by-step explanation:
When select predident:21 ways
When select secretary: 20 ways
When select treasurer: 19 ways
It is permutation
N permutation r=NPR
20permutation3=21×20×19= 7980 ways
Let length, l=8 mm.
Braedth, b=2 mm.
The perimeter of the rectangle is,
Therefore, the perimeter of the rectangle is 20 mm^2.
5x + 10 + 58 = 180
5x + 68 = 180 Subtract 68 on both sides
5x = 112 Divide 5 on both sides to get "x" by itself
x = 22.4
