Answer:
angle ABC = 30°
Step-by-step explanation:
I attached a picture. if any part is not understandable leave a comment.
Answer:
5
Step-by-step explanation:
y = 15 - 3x
0 = 15 - 3x
15 - 0 = 3x
x = 5
Answer:
y = 
Step-by-step explanation:
given that y varies inversely with x then the equation relating them is
y =
← k is the constant of variation
To find k use the condition x = 2 when y = 11
k = yx = 11 × 2 = 22
y =
← equation of variation
Answer:
tôi không hiểu bạn nói gì
Step-by-step explanat ion :