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Klio2033 [76]
2 years ago
14

Write the prime factorization of 42. Use exponents when appropriate and order the factors from least to greatest

Mathematics
2 answers:
jeka942 years ago
4 0
42: 2,3,7
2 x 3 x 7 = 42

Alisiya [41]2 years ago
3 0

Answer:

42 = 2*3*7

Step-by-step explanation:

42 can be rewritten as 2*21, for example.  

2 is prime.  21 = 3*7.

Then 42 = 2 * 21 is also equal to:

         42 = 2*3*7. where these factors are ordered from least to greatest.  The prime factors of 42 are {2, 3, 7}.

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Question 13
Rasek [7]

Answer:

Incorrect. 1 solution.

Step-by-step explanation:

Mark is incorrect because to find x from 8x=48 you must perform the following steps:

Divide the 8 from both sides resulting in

x=6

5 0
3 years ago
There is a bag with only red marbles and blue marbles.The probability of randomly choosing a red marble is59.There are 63 marble
Elis [28]

Answer:

37

Step-by-step explanation:

59 percent times 63 in total marbles is 37

7 0
2 years ago
Nina and Luca were told to draw a net for the three-dimensional figure shown below. Which statement about the students' nets is
NISA [10]

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3 years ago
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Please help me out on this please
Alina [70]

Answer:

8/15

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7 0
3 years ago
An increase in walking has been shown to contribute to a healthier life-style. A sedentary American takes an average of 5000 ste
Zielflug [23.3K]

Answer:

Step-by-step explanation:

We would set up the hypothesis test. This is a test of a single population mean since we are dealing with mean

For the null hypothesis,

H0: µ = 5000

For the alternative hypothesis,

H1: µ > 5000

Since the population standard deviation is given, z score would be determined from the normal distribution table. The formula is

z = (x - µ)/(σ/√n)

Where

x = sample mean

µ = population mean

σ = population standard deviation

n = number of samples

From the information given,

µ = 5000

x = 5430

σ = 600

n = 40

z = (5430 - 5000)/(600/√40) = 4.53

Looking at the normal distribution table, the probability corresponding to the z score is < 0.0001

Since alpha, 0.05 > than the p value, then we would reject the null hypothesis. Therefore, at a 5% level of significance, it can be concluded that they walked more than the mean number of 5000 steps per day.

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