3x - 15 = 39
+ 15 +15
3x = 54 (divide by 3 on each side)
X = 18
Answer:
Step-by-step explanation:
add 5. so thats -3x <-15
x is less than or equal to 5
The answer of the rotational symmetry is B, (6)
I think it might be c or A
Answer: OPTION C.
Step-by-step explanation:
Observe the triangle ABC attached.
Notice that the angle of depression is represented with
.
Knowing that the top of a lighthouse is 260 feet above water and the ship is 270 feet offshore, you can find the value of
by using arctangent:

In this case you can identify that:

Therefore, substuting values into
, you get that the angle of depression is:
