Sum of interior angles in a pentagon=540°
148+112+2x+2x+10+90=540
360+4x=540
4x=540-360
4x=180
x=180/4
x=45°
Answer:
the sum is 7
Step-by-step explanation:
ik this because i used to be in kindergarten.
Answer:
A is 4
Step-by-step explanation:
A _ 8 _ _ _ _ _ _ _ _ 8 _ 6
A _ 8 _ _ _ _ _ _ _ _ 8 4 6
A _ 8 _ _ _ _ _ _ _ 6 8 4 6
A _ 8 _ _ _ _ _ _ 4 6 8 4 6
A _ 8 _ _ _ _ _ 8 4 6 8 4 6
A _ 8 _ _ _ _ 6 8 4 6 8 4 6
A _ 8 _ _ _ 4 6 8 4 6 8 4 6
A _ 8 _ _ 8 4 6 8 4 6 8 4 6
A _ 8 _ 6 8 4 6 8 4 6 8 4 6
A _ 8 4 6 8 4 6 8 4 6 8 4 6
A 6 8 4 6 8 4 6 8 4 6 8 4 6
4 6 8 4 6 8 4 6 8 4 6 8 4 6
A is 4
Hope this helps!
Answer:
D) no solution
Step-by-step explanation:
1/ (x-2) + 1/(x+2) = 4/(x^2-4)
x cannot equal 2 or -2 since that would make our fractions equal 1/0 or be undefined
Factor the term on the right
1/ (x-2) + 1/(x+2) = 4/(x-2)(x+2)
Multiply both sides by (x-2) (x+2)
(x-2) (x+2) (1/ (x-2) + 1/(x+2)) = 4/(x-2)(x+2)*(x-2) (x+2)
Distribute
x+2 + (x-2) = 4
Combine like terms
2x = 4
Divide by 2
2x/2 = 4/2
x =2
But this is not a possible solution since that is not in the domain
Answer:
6 years
Step-by-step explanation:
let x = # of years
6 + 2x = 12 + x
x = 6
