N = ∞
∑ 3m n
n = -∞
Its been a while but I think that's correct
The leftmost of the the two digits is 10x that of the right one.
Answer:
B. 80°
Step-by-step explanation:
55+45=100
180-100=80
Q=80°
Answer:
<h2>
y = 3x - 1</h2>
Step-by-step explanation:
Two lines are perpendicular if the product of theirs slopes is equal -1:
y=m₁x+b₁ ⊥ y=m₂x+b₂ ⇒ m₁×m₂ = -1
y = -1/3x + 7 ⇒ m₁=-1/3
-1/3×m₂ = -1 ⇒ m₂ = 3
The y-intercept is b=-1 so the equation in slope-intercept form:
y = 3x - 1