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Gwar [14]
2 years ago
9

Seven times the sum of a number and 3 is 9.​

Mathematics
1 answer:
pentagon [3]2 years ago
4 0

Answer: -1.71

7(x+3) = 9 is the equation

7x+21 = 9

7x = -12

x= -12/7

x= -1.71

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En un salon de 35 alumnos se tiene que hay 4 varones por cada 3 mujeres ?cuantas mujeres hay en el el salon de clases?
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Answer:

15

Step-by-step explanation:

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zaharov [31]

Answer:

The mean number of the children is 1.2

<em></em>

Step-by-step explanation:

Given

Children: 0, 1, 2, 1, 2

Required

Determine the Mean number

The mean of a set is calculated as follows;

Mean = \frac{\sum x}{n}

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<em>Hence, the mean number of the children is 1.2</em>

3 0
3 years ago
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geniusboy [140]

Answer:

i don't what you want me to do here...

You gave me the same problem just two different numbers so maybe the answer is 7... idek tho bro

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Step-by-step explanation:

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hope this answer helps you dear!

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