Answer:
[see below]
Step-by-step explanation:
There are 100,000 cm in a km.

12 km should be 1,200,000 centimeters.
Hope this helps.
Answer:
It will take them 5 hours.
Step-by-step explanation:
If one is moving towards the other at 30, and the other by 20 more, then the equation would be 30+50, so 80mph.
Answer:
1/10
Step-by-step explanation:
Answer:
The answer is 70 feet
Step-by-step explanation:
<h3><u>Given</u>;</h3>
- The area of therectangular billboard covered by the ribbon was approximately 4200 square feet
- The width of the billboard was approximately 60 feet.
<h3><u>To </u><u>Find</u>;</h3>
- The height of this billboard = ?
<h3><u>Formula</u>;</h3>
Here, We know the area so,
Area = Width × Height
Height = Area ÷ Width
H = 4200 ÷ 60 feet
H = 70 feet
Thus, The height of the billboard is 70 feet
<u>-TheUnknownScientist 72</u>