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Mashcka [7]
3 years ago
12

Use the equation 1/2 (x - 4) = 1/3x + 2 Write a word problem for the equation.

Mathematics
1 answer:
hoa [83]3 years ago
8 0

Answer:

b

Step-by-step explanation:

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when you reverse the digits in a certain two digit number you increase its value by 9 find the sum of its digits is 17
melamori03 [73]
The answer is 80.
80 flipped is 08, which is equal to 8, then 8+9=17
3 0
2 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
2 years ago
5x - 7= 3??? plz help
Oliga [24]

Answer:

x=2

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Complete the sentences regarding demand. The demand for ________ goods increases with a decrease in income, whereas _________ ar
Dominik [7]

Answer:

Inferior, Public

Step-by-step explanation:

Complete the sentences regarding demand. The demand for inferior goods increases with a decrease in income, whereas public are goods that cannot be bought or sold.

8 0
3 years ago
Read 2 more answers
According to the Statistical Abstract of the United States, in 2000, 10.7% of Americans over 65 years of age use the Internet. A
Dvinal [7]

Answer:

H0 : μ = 0.107

H1 : μ ≠ 0.107

Step-by-step explanation:

The claim is the alternative hypothesis. H1 ; which is a researcher's opinion that the proportion of Americans aged 65 and above using the internet as changed from the mean value of 10.7% (0.107). The direction of the change is not given, hence. We cannot use the greater or less Than sign as the direction of the change isn't specified by the researcher or data Given. Hence, the shift could be either to the right or left. Hence, the use of the equal to and not equal to sign.

The null will oppose the alternative hypothesis and take the stance that the proportion hasn't changed from the initial mean.

4 0
2 years ago
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