Answer: c
Step-by-step explanation:
Answer:
educated guess
Step-by-step explanation:
cos
(
390
)
sin
(
330
)
−
4
cot
(
−
45
)
Answer: Y = 10
Step-by-step explanation:
Because it is a horizontal line, the equation will just be Y = the Y value
Step-by-step explanation:
t=d/r
......................
Answer:
PQ = 18
Step-by-step explanation:
If R is the midpoint of PQ, then PR = RQ
⇒ 6x + 7 = 3x + 8
⇒ 3x = 1
⇒ x = 1/3
So PR = 6x + 7 = 6(1/3) + 7 = 9
and RQ = 3x + 8 = 3(1/3) + 8 = 9
⇒ PQ = PR + RQ = 9 + 9 = 18