Answer:
5
Step-by-step explanation:
According to the described rule, we have

We can see the pattern

In other words, for all 

Now,

Answer:
Step-by-step explanation:
4y-4=10x+65, this can be expressed in many ways...
4y-10x-4-65=0
4y-10x-69=0 or
4y=10x+69
y=(10x+69)/4
20/28 or 10/14 or 5/7
You can keep reducing until both sides of the fraction can't be divided by the same number anymore.
Answer:
∠ YZX ≈ 19.7°
Step-by-step explanation:
using the sine ratio in the right triangle.
sin YZX =
=
=
, then
∠ YZX =
(
) ≈ 19.7° ( to 3 significant figures )
Answer:
(0,7)
Step-by-step explanation:
there is no problem work shown.