The correct answer is a
(X+1)^2 - x^2=23
X^2 + 2x + 1 -x^2 =23
2x +1 =23
2x =22
X= 11
X+1= 12
Answer:
The first derivative of 
(r(t)=5*t^{-2}) with respect to t is 
(r'(t) = -10*t^{-3}).
Step-by-step explanation:
Let be 
, which can be rewritten as . The rule of differentiation for a potential function multiplied by a constant is:
, 
Then,
(r'(t) = -10*t^{-3})
The first derivative of (r(t)=5*t^{-2}) with respect to t is (r'(t) = -10*t^{-3}).
Answer:
A=20 degrees
Step-by-step explanation:
All of the interior angles of a triangle must add up to 180 degrees, so:
2x+5x+11x=180
18x=180
x=10
A=2(10)=20
Hope this helps!
Answer: ∠MNQ and ∠ONL
Step-by-step explanation:
Vertical angles are angles that are directly diagonal from each other. they share the same vertex and are equal in angle measurement. Looking at ∠MNQ, we can see that the vertical angle is ∠ONL. They share the same vertex and are the same in measurement.
