Answer:
ways
Step-by-step explanation:
Given that a shelf contains n separate compartments. There are r indistinguishable marbles
The marbles are identical so they can be placed in any order.
Let us consider the places available for placing these r marbles
No of compartments available =n
Marbles to be placed = r
Since marbles are identical and order does not matter
number of ways the r marbles can be placed in the n compartments
= nCr
=
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>
Each cost $14.36 each
Hope that helps :)
Answer:
(-2, -1)
Step-by-step explanation:
-2 is x
-1 is y
thats all i know
The initial velocity: v o = 20 m/s.And : a = 1.5 m / s² , t = 5 s.The final velocity formula:v = v o + a · tv = 20 + 1.5 · 5v = 20 + 7.5v = 27.5 m /sAnswer: The car`s final velocity is 27.5 meters / second.
