We know that :
⊕ Sum of the interior angles in a Pentagon should be equal to 540°
⇒ x° + (2x)° + (2x)° + 90° + 90° = 540°
⇒ (5x)° = 540° - 180°
⇒ (5x)° = 360°

⇒ x° = 72°
Answer:
C =3.33x
Step-by-step explanation:
The cost of 1 barrette is
9.99/3 sine it is 9.99 for 3 barrettes
or 3.33 per barrette
We want x barrettes
or 3.33*x
C is the total cost
C =3.33x
The range would be the number-
Answer:
-6p - 10 or -10 - 6p
Step-by-step explanation:
-12 - 6p - (-2)
= -12 - 6p + 2
= -6p - 10 or -10 - 6p
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X+40+134=180
X+174=180 (combine like terms)
X=6 (subtract)