3 years ago

The difference between twice a number and 2

Mathematics

2 answers:

Brums [2.3K]3 years ago

6 0

2x-2

The difference between(subtract)

Twice a number(2x)

and 2

Pie3 years ago

3 0

Answer:

2 is a number and "twice a number" means multiply by 2.

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Twenty percent of candies in a package are red. The rest are another color.

kenny6666 [7]

Answer:

Step-by-step explanation:

Among the 20 digits shown, each digit appears in the list twice except 0 and 1 appear 3 times and 6 and 9 appear once. That means ...

1 appears 3 times
2 appears 2 times

So, if 1 and 2 represent red candies, there are 3+2 = 5 red candies in the simulated random sample of 20 candies.

_____

<em>Comment on the question</em>

The simulation makes sense only if it represents taking a single candy from each of 20 packages (of unknown quantity of candies). That is, it seems we cannot answer the question, "how many red candies will be in the packages?" We can only answer the question, "how many of the simulated candies are red?"

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3 years ago

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Is x/3 equivalent to 1/3x

andrew-mc [135]

Yes they are both the same thing

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3 years ago

Jeffery conducted a survey in his school and found that 30 of the 50 eighth grade students' favorite subject is mathematics. Bas

Ivahew [28]

The correct answer is:

D) Jeffery's conclusion is not valid because the sample was biased since all of the students were eighth grade students.