Answer:
mabye 45
Step-by-step explanation:
the bacteria increases 2 per hour so it should be 45
sorry if I am wrong it is just the answer I calculated
Answer:
20 minutes
Step-by-step explanation:
Distance= 40 km
Speed= 120 km/h
Time= distance/speed= 40/120= 1/3 hour= 20 min
or it could be =0.33 hrs
Answer:
nothing is being showed
Step-by-step explanation:
Answer:
Either mean or median
Step-by-step explanation:
1,2,3,5,5,6,6,7,7
Median=5
Mean=42/9=4.666=4.7
Step-by-step explanation:
sin(A − B) = sin A cos B − cos A sin B
sin50°cos 40° - cos50°sin 40°
= sin(50-40)°
=sin10°
cos(A + B) = cos A cos B − sin A sin B
cos75°cos 15° - sin75°sin 15°
= cos(75+15)° = cos90° = 0