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3 years ago

10

There are 50 students in a class three of them will be in a student government, either president, Vice President, or secretary.

How many different arrangements are there among 50 students?

1 answer:

Temka [501]3 years ago

6 0

I'm not sure butcffctfsf

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When I add a number to another number four times as big, the result is 30. find the first number

Alex73 [517]

Answer:

x = 6

Step-by-step explanation:

Let x = first number

x+4x = 30

5x = 30

Divide by 5

5x/5 =30/5

x = 6

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Elenna [48]

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Alexeev081 [22]

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Step-by-step explanation:

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3 years ago

Which fraction and equivalent decimal correctly shows the ratio of shaded circles to all circles?

sergeinik [125]

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Total circles = 12

$\frac{shaded~circles}{total~circles}$ = $\frac{4}{12}$

$\frac{4}{12}$ as a simplified expression = $\frac{2}{6}$
We can simplify it even more = $\frac{1}{3}$

Fraction = $\frac{1}{3}$

Equivalent decimal = 1 ÷ 3 = 0.33

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