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ioda
3 years ago
10

thomas has 4 blocks colored blue,red,green and yellow. How many different ways can he combine them on a shelf?

Mathematics
1 answer:
puteri [66]3 years ago
8 0

Answer: 24

Step-by-step explanation:

Take the factorial of that number.

4! = 4*3*2*1=24

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The expression 146 ÷ 144 is equal to _____.
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Step-by-step explanation:

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Decide whether each equation is true for all, one, or no values of x. -2x + 4 = -3x + 4
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It has no value.

Step-by-step explanation:

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3 years ago
Graph the data below and then answer the questions that follow. year 1=$20,000, year 2=$21,750, year 3=$23,500, year 4=$25,250,
Mariana [72]

Answer:

Since the difference between the value for each year is constant, this is an arithmetic sequence.

Step-by-step explanation:

Year 2 - Year 1 = 21,750 - 20,000 = 1,750

Year 3 - Year 2 = 23,500 - 21,750 = 1,750

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3 0
2 years ago
A researcher conducts a hypothesis test using a sample of n = 40 from an unknown population. What is the df value for the t stat
aliya0001 [1]

Answer:

Correct option: b 39.

Step-by-step explanation:

A one-sample (or one mean) t-test is applied to test whether the population-parameter is significantly different from some hypothetical value.

The degrees of freedom of the <em>t</em>-test is:

df = n - 1

It is provided that the sample size is, <em>n</em> = 40.

Compute the degrees of freedom as follows:

df = n - 1

   = 40 - 1

   = 39

Thus, the correct option is b.

3 0
3 years ago
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