Answer:
400 x however long those ribbons are
Step-by-step explanation:
1 meter is 100 centimeters, and there are four rolls. so 4x100 equals 400, and you multiply that by the length that you didn't provide.
Answer:
Average distance traveled in 15 minutes = 7.5 miles
Step-by-step explanation:
Given function:

where
represents average distance traveled in miles and
represents time in minutes traveled.
To find the average distance traveled in
minutes.
Solution:
In order to find the distance traveled in 15 minutes, we will input
in the given function.


miles
Average distance traveled in 15 minutes = 7.5 miles
Answer:
18
Step-by-step explanation:
30*0.4=12
This means 40% of 30 is 12 and Ana has completed 12 problems.
30-12 = 18, so she still needs to do 18 problems.
The negative externalities must be present.
Answer:
272.5 m²
Step-by-step explanation:
1/2x4x9=18
(9+18)/2=13.5. 13.5x11=148.5
(18+14)/2=16. 16x7=112
12+148.5+112= 272.5