Answer:
x =
Step-by-step explanation:
Add 2/3 to both sides.
x+−2/3+2/3=8+2/3
x=26/3
[RevyBreeze]
I do agree its all even. Mark brainliest if correct.
Answer:
(2p+7)(3p²+4p-3)
2p(3p²+4p-3)+7(3p²+4p+3)
(6p³+8p²-6p)+ (21p²+28p+21)
6p³+29p²-6p+21
Responder:
1,625; 0.8569
Explicación paso a paso:
y ___0 ____ 1 ____ 2 ____3
P (y) _1 / 8 ___ ¼ ___ ½ ____ 1/8
Valor esperado (E (x)): Σx * p (x)
= (0 * (1/8)) + (1 * (1/4)) + (2 * (1/2)) + (3 * (1/8)) = 1,625
La desviación estándar = sqrt (Var (x))
Var (X) = Σx²p (x) * E (x) ²
Var (X) = [(0 ^ 2 * (1/8)) + (1 ^ 2 * (1/4)) + (2 ^ 2 * (1/2)) + (3 ^ 2 * (1 / 8))] - 1.625²
Var (X) = (0 * (1/8)) + (1 * (1/4)) + (4 * (1/2)) + (9 * (1/8)) - 1.625 ^ 2
= 3.375 - 2.640625
= 0,734375
Desviación estándar = Sqrt (0,734375) = 0,8569
The second one. Cause the first one is .64$ per 4oz and the second one is .60$ per oz