El producto de una de las diagonales del cálculo del determinante de la matriz B según se muestra, por la regla de Satrus es:
16.73.6 7
det(B) = 35.635
A 6.6.2
B. 7-6-1
C. 6.5-(-3)
D. 8-6-1​

14 ft 7 inches

step-by-step explanation:

since each model inch corresponds to 25 real inches, 7 model inches will correspond to

7×25" = 175"

at 12" per foot, that is 14 feet, 7 inches.

we need to divide the number of toy dinosaurs, 156, by the number of brothers, 4:

in order to estimate, we can use compatible numbers:

156 ÷ 4

  ↓

160   ÷ 4 = 40        

the correct answer is a).

what are the answer chices