When a particular phone is fully charged 100%, the battery normally last someone 15 hours. Rebecca goes on a 12 hour trip and has left with a battery that is only 75% full. will the battery last for the full trip?if not, how long will the battery last?

When you hide battery percentage on your phone, your phone is going to utilise full energy that gained in the previous charging cycle. When your phone reaches 50%, you may do not know exactly how much amount of charge your phone's battery comprises. Your battery will often come down to 20% and will notify you.

Step-by-step explanation:

answer:   the paragraph proof is mentioned below.

step-by-step explanation:

given: in a δxwy where

such that, ∠wzx ≅ ∠yzx and zw≅zy

we have to prove that: segment zx is a perpendicular bisector of segment wy.

prove: since, zw≅zy ⇒ ∠wzy is a supplementary angle.

then, ∠wzy= 180°

⇒∠wzx + ∠yzx = 180° ( because xz divides ∠wzy into two parts)

but, ∠wzx ≅ ∠yzx ( given)

⇒∠wzy+∠wzy=180° ( by substitution)

⇒2∠wzy=180°

⇒∠wzy=90°

⇒∠wzy=∠yzx =90°

therefore, xz⊥wy where wz=zy

⇒zx is a perpendicular bisector of wy.