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2x +5=15
-5 -5
2x = 10
2 2 divide
Answer x=5
Answer:
B. tan (-180°) = 0
Step-by-step explanation:
Tangent is the ratio of opposite to adjacent to an angle
From the unit circle; the opposite to our angle -180° is 0
The adjacent along the x-axis is 1
Therefore;
Tan (-180°) = 0/1
= 0
Therefore; Tan (-180°) is 0
The correct answer is option c
X= -10
Y=7
Y=1/5X+9
Y=1/5 •(-10)+9
Y= -10/5 + 9
Y= -2+9
7=7
Y= -1/2 • (-10) +2
Y= 10/2 +2
Y=5+2
7=7
Yes