Step-by-step explanation:
using trig, tangent is equal to opposite over adjacent.
in this case, the angle is 45, opposite is 7, and adjacent is a.
thus tan 45° = 7/a
solve for a to get a = 7/tan 45° = 4.32
Answer:
x=-3
Step-by-step explanation:
x+9 = 3.2=6
x= 6-9=-3
Answer: no , two , no and one
Step-by-step explanation:
Answer:
just x both together
Step-by-step explanation: