Answer:
7 miles
Step-by-step explanation:
Distance = Rate times Time
Distance #1: (15 mph)(12/60 hr) = 3 miles
Distance #2: (12 mph)(20/60 hr) = 4 miles
Total distance ridden = 7 miles
Answer:
satisfy both equations
Step-by-step explanation:
The organism is multi cellular, has tissue organization, and has no cell wall<span />
Answer:

Step-by-step explanation:
The relationship between A, the area of the glacier in square kilometers, and t, the number of years the glacier has been melting, is modeled by the equation.:

We want to determine the value of t for which the area, A(t)=15 square kilometers.

Therefore, the time for which the area will be 15 sqyare kilometers is:
-20 ln(1/3) years.