Se recogen 25 hojas caídas de un árbol, y se registran sus longitudes en centímetros. 1; 7; 13; 5; 8; 11; 17;15; 21; 3; 3; 10; 4; 5; 5; 18; 13; 15; 1; 14; 7; 9; 10; 18; 2.

Elabora una tabla de frecuencia para datos agrupados. Se recomienda utilizar el número de intervalos 5.

56.6

step-by-step explanation:

the ratio of the perimeters is equal to the scale.

the ratio of the areas is equal to the square of the scale.

34 / 20 = k

a / 19.6 = k²

substituting:

a / 19.6 = (34 / 20)²

a = 19.6 (34 / 20)²

a ≈ 56.6

10/60

step-by-step explanation:

if you divide 10 by 60 the answer is 0.166666 while if you divide or solve the other problems it equals 0.6

step-by-step explanation:

circumference divided by 3.141592654 then timesthe radius twice

this may not be at all, but i use the same website you're using for school, and if i'm stuck doing one of these i try to look for it on the section.