Answer:
15.1 to nearest tenth.
Step-by-step explanation:
The 7 is the lowest number so the mean would increase if taken away.
New mean = (8 + 12 + 13 + 15 + 18 + 19+21) / 7
= 106 / 7
= 15.14
Answer:
1 and 5= corresponding angles.
4 and 2=vertical opposite angle
3 and 6=co interior angle.
5 and 8=linear pair.
5 and 3= alternate interior angle
2 and 8=alternate exterior angle.
306 / 3.6 = 85 gallons per minute
5,200 = 85x
x = <span>61.1764705882
hope this helps</span>
Well first you take 78 and turn it to 7.8
then multiply by 10000
therefore 7.8*10000= ?