Answer:
2x+5+x-6+3x
2x-1+x+3x
6x-1
Step-by-step explanation:
6x+11
1. Add the 2x, x, and 3x together (6x)
2. Add 5 and 6 together (11)
3. Put the two solutions together getting 6x+11
x=2
x=2 in the equation 3x+5=19-4x
5
There is one line of symmetry for each side of the pentagon.
Let h bet the height of the building.
Mark is 60+310 = 370 m from building.
35/60 = h/370
h = 1295/6 = 215⅚ meters
Time in seconds when the ball is 4 feet above the ground is:
t= 0.6 and 2.9.
