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emmainna [20.7K]
4 years ago
9

Please help me! I need help on this question!

Mathematics
1 answer:
schepotkina [342]4 years ago
5 0

Answer:

C and A

Step-by-step explanation:

expand the things in parentheses so for C

1/2(x + 16) = 1/2(x) + 1/2(16) = 1/2 x + 8

same process for A

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Plz answer ASAP thanks
Nana76 [90]
A = 1/2(8)(10) + 1/2(6)(8)
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answer
64 in^2
6 0
3 years ago
En una muestra de 50 restaurantes de comida rápida, la venta media fue de $3.000, y la desviación estándar, $200. El intervalo d
Step2247 [10]

Respuesta:

(2945.411; 3054.589)

Explicación paso a paso:

Dado ;

Tamaño de la muestra, n = 50

Media, xbar = 3000

Desviación estándar, s = 200

Nivel de confianza, Zcrítico al 95% = 1,96

El intervalo de confianza se define como:

Xbar ± margen de error

Margen de error = Zcrítico * s / sqrt (n)

Margen de error = 1,96 * 200 / sqrt (50)

Margen de error = 54.589

Límite inferior = (3000 - 54.589) = 2945.411

Límite superior = (3000 + 54.589) = 3054.589

(2945.411; 3054.589)

8 0
3 years ago
-(12+8)? Also |16-11| need help
hram777 [196]

-(12+8)=-(20)=-20

|16-11|=|7|=7

8 0
3 years ago
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