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Karo-lina-s [1.5K]
3 years ago
6

PLS HELP aSSAP I NEED HELP REALLY QUICK

Mathematics
2 answers:
Luda [366]3 years ago
5 0

Answer:

Just add all the given numbers

Step-by-step explanation:

2+2+2+4+4+6+2

=22

dybincka [34]3 years ago
5 0
Add all given numbers
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Answer:

A. 2

B. 10/3

C. 8/3

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Step-by-step explanation: put the whole #and make it into a fraction like this e.g.

6/1 • 1/3 = 6/3 simplifies to 2

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3 years ago
Which one of the following letters is used as an abbreviation for electric current?
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Si 15 obreros construyen un muro en 45 minutos, ¿en cuánto tiempo lo construirán 3 obreros con similar habilidad?
Alexxx [7]

Answer:

3 obreros tardaran 225 minutos en completar el trabajo.

Step-by-step explanation:

Sea R la velocidad con la que un obrero puede construir 1 muro.

Sabemos que 15 obreros construyen un muro en 45 minutos, entonces:

(15*R)*45min = 1 muro

Con esta ecuación podemos encontrar el valor R

R = (1 muro)/(15*45min)  

Ahora queremos saber cuando tiempo tardan 3 obreros en construir un muro, entonces tenemos que resolver:

(3*R)*T = 1 muro

Reemplazando el valor de R obtenemos:

(3*(1 muro)/(15*45min))*T = 1 muro

T = (1 muro)*(15*45 min)/(3*1 muro)

T = 5*45min = 225 min

3 obreros tardaran 225 minutos en completar el trabajo.

7 0
3 years ago
The mayor of a large city claims that the average net worth of families living in this city is at most $300,000. A random sample
Sergeu [11.5K]

Answer:

Check the explanation

Step-by-step explanation:

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Alternative Hypothesis, Ha: μ < 300000

Test statistic,

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z = -0.75

P-value Approach

P-value = 0.2266

As P-value >= 0.05, fail to reject null hypothesis.

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loris [4]
Upper half of the data: 81 lower half of the data: 98
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3 years ago
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