Answer:
25
Step-by-step explanation:
2x+2+5x+3=180 (angles on a straight line)
7x+5=180
7x=180-5
7x=175
x=25 (dividing both sides by 7)
Answer:
39/500
Step-by-step explanation:
Answer:
The boat is 5727.25ft far from the coast
Step-by-step explanation:
Refer the figure given.
We need to find how far is the boat from the coast = AB
Angle of elevation = 2°
The lighthouse on the coast is 200 feet tall, AC = 200 ft
We have

The boat is 5727.25ft far from the coast
Answer:
0.63091482649
Step-by-step explanation:
Answer:
The correct answer is B
Step-by-step explanation:
2(x-1) + 5x = x-8
Firstly, break all the brackets and you would got:
2x - 2 + 5x = x - 8
Put x into 1 side,
2x + 5x - x = -8 + 2
6x = -6
Divide both side by 6,
6x / 6 = -6/6
x = -1
The correct answer is B
Hope this help you :3