Answer:
B. 11.1
Step-by-step explanation:
The sequence is arithmetic, with a first term (a1) of 1.3 and a common difference (d) of 0.2.
The n-th term (an) is given by the equation ...
... an = a1 + (n -1)·d
So, the 50th term is ...
... a50 = 1.3 + (50-1)·0.2 = 1.3 +9.8 = 11.1
Answer: it’s b
Step-by-step explanation:
A-P-E-X QUIZ
Charging: +2/min <span>percentage points.
Using: -5/min percentage points.
</span>Amount of time Famke used her phone: x
Amount of time Famke charge her phone: 2x
Famke gained 2x*(2/min)=x*(4/min) percentage points.
Over this period <span>her phone lost 10 percentage points→
x*(5/min)-x*(4/min)=10⇒x*(1/min)=10
x=10</span>
This means that she used her phone for 10 minutes and charged it for 20 minutes.
