Answer:
P = 4x - 2
Step-by-step explanation:
Perimeter is all the side lengths added together.
Step 1: Set up expression
P = 2x - 5 + 5 - x + 3x - 2
Step 2: Combine like terms
P = 4x - 2
3.99 = > 3 + 0.99
first let's round up the 0.99, and the 9 rounds up to 1.0 so 0 + 1.0 = 1.
3 + 1 = 4, rounded up.
to the nearest tentth, 4.0.
the .0 simply means 0 tenths, since it's a whole 4.
The height of the mast in his sketch is 5 inches
The answer should be positive 7 or negative 7