The answer is 60. Just multiply 20 × 3.
I think after the 9th bounce it will lose 90% of its max height
times 40 by 0.9 which will give you 36
then take 36 away from 40 leaving you with 4.
answer = 4ft
Answer:

Step-by-step explanation:
The area of a circle is given by :

Where
r is the radius of the circle.
If we talk about the area of half of the circle, it means we have to half the area such that,

Hence, this is the required solution.
The correct answer here is 2/3
That is because 7 doubled is 14 and 7 multiplied by 3 is 21.
Answer:
Kg de carne= 15 kg
Step-by-step explanation:
<u>Dada la siguiente información:</u>
Una persona compra 2.5kg de carne por día.
<u>Tenemos que calcular cuántos kg de carne compra en 6 días. Para esto debemos usar la siguiente formula:</u>
Kg de carne= kg por día*cantidad de días
Kg de carne= 2.5*6
Kg de carne= 15 kg