Answer:
x = 6
Step-by-step explanation:
Assuming the figure is a parallelogram then opposite sides are congruent, thus
3x - 6 = 12 ( add 6 to both sides )
3x = 18 ( divide both sides by 3 )
x = 6
Consider the factors of 40: ±1, ±4, ±10, ±5, ±8 ... ±5 and <span>±8 can be manipulated to fit your factorization.
(x - 8)(x - 5) works. -8 - 5 = -13, which is what you need in the middle, and -8*-5 gives you a positive 40.</span>
A = 5 / 2 a^2 square root over 5 + 2 square root of 5
hopefully this helps you out
Step-by-step explanation:
t in 1200m:
t in 3750:
difference is:
3.75-0.12 = 3.63
