Karen purchased a prepaid phone card for $15. Long distance calls cost 11 cents a minute using this card. Karen used her card on
1 answer:
You might be interested in
Acc. to midpoint theorem,
15={(2x+9) + (4x-15)}/2
⇒ 30=2x+9+4x-15
⇒ 30-9+15=6x
⇒ 36/6=x
⇒6=x
WZ= 4x-15
=4*6-15
=24-15=9
15={(2x+9) + (4x-15)}/2
⇒ 30=2x+9+4x-15
⇒ 30-9+15=6x
⇒ 36/6=x
⇒6=x
WZ= 4x-15
=4*6-15
=24-15=9
Given:
To find:
The value of .
Solution:
In triangle XYZ,
(Given)
(Given)
[Angle sum property]
Therefore, the is 20°.