Answer:
Step-by-step explanation:
-39+x+146=180
x+107=180
x=180-107=73
x=73°
Answer:
-60
Step-by-step explanation:
-3 x -4 x -5
12 x -5
-60
negative x negative x negative= negative
Answer:
Option B
Step-by-step explanation:
Answer:
6
Step-by-step explanation:
Given,
...(i)
Differentiating w.r. to x.

From equation (1)

Now, at the point (1,3)


Answer:
15:1
Step-by-step explanation:
225:15
÷15 both sides
15:1