Answer:
140.37 in²
Step-by-step explanation:
C = 2πr
42 = 2πr
21 = πr
r = 21/π
A = πr²
A = π × (21/π)²
≈ 140.37 in²
Answer:
(3/2, -1/2)
Step-by-step explanation:
add the 2 inequalities together.
you get 2X<3 so x<3/2. plug X back in and solve for y and you get y= -1/2
Answer:
UV
Step-by-step explanation:
Answer:
less than, this is scaling dude
Step-by-step explanation:
Answer: conjunction and -20<x <16 is answer.
Step-by-step explanation:
It is a conjunction because it is and statement
|x+2|<18 gives
[Since l x-a l <b means x-a lies between -b and b ]
-18<x+2<18
subtracting 2 in the whole inequality ,we get
-18-2 <x +2-2 < 18-2
-20 < x < 16