Answer:
-2
Step-by-step explanation:
18+-20
-2
Answer:
5.75
Step-by-step explanation:
I NEEDED POINTS LOL
Ummmmmmmmmm 7 i think that is the wright answer
Step one: divide both sides by -2.3 to get X by itself: X=-.2. :)
Answer:
cos Θ = 
Step-by-step explanation:
Given the angle passes through (4, 5 ) then the right triangle with sides 4 and 5 has hypotenuse h given by
h² = 4² + 5² = 16 + 25 = 41 ( take the square root of both sides )
h = 
In relation to Θ, 4 is adjacent and 5 is opposite, thus
cos Θ =
= 