Answer:
So the water level of pond reduces by 8.16 centimeter over 25.5 days.
Explanation:
Average change in pond's water level = -0.32 centimeter.
Duration considered for taking the average of change in pond's water level = 25.5 days.
Total change in the pond's water level = -0.32*25.5 = -8.16 centimeter
8.16
Step-by-step explanation:
-1, -7, -13, -19
-2(-3)-7 =6-7= -1
-2(0)-7 =0-7= -7
-2(3)-7 =-6-7= -13
-2(6)-7 =-12-7= -19
A) 4 groups of 9 negatives
-36/4
-9
This means we have 4 groups of 9 negatives
Answer: 337.5 km
Use proportion:
2:75=9:x
2x=675
x=675/2
X=337.5
