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Tema [17]
3 years ago
13

Please answer asap.......... ...

Mathematics
2 answers:
skelet666 [1.2K]3 years ago
6 0

Answer:

Option B is tge right answer.

3.07/10⁴= 0.000307

Korolek [52]3 years ago
5 0

Answer:

a. 0.00307

Step-by-step explanation:

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If the price of a yo-yo in a shop increased by 20% and is now $6.00, what was the original price?
4vir4ik [10]

Answer: Original Price: $5

Step-by-step explanation:

x+0.2x=6

1.2x=6

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Original Price: $5

5 0
1 year ago
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Find the common difference for the given sequence shown. 56,49,42,35
ddd [48]

Answer:

-7

Step-by-step explanation:

let the first term be a

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Rosia ate 1/8 of a pizza. She then split the remainder of the pizza so she could share with her friend. What fraction of the piz
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3 years ago
On a standardized test with a normal distribution the mean score was 67.2. The standard deviation was 4.6. What percent of the d
Reika [66]

Answer:

P ( -1 < Z < 1 ) = 68%

Step-by-step explanation:

Given:-

- The given parameters for standardized test scores that follows normal distribution have mean (u) and standard deviation (s.d) :

                         u = 67.2

                         s.d = 4.6

- The random variable (X) that denotes standardized test scores following normal distribution:

                         X~ N ( 67.2 , 4.6^2 )

Find:-

What percent of the data fell between 62.6 and 71.8?

Solution:-

- We will first compute the Z-value for the given points 62.6 and 71.8:

                          P ( 62.6 < X < 71.8 )

                          P ( (62.6 - 67.2) / 4.6 < Z < (71.8 - 67.2) / 4.6 )

                          P ( -1 < Z < 1 )

- Using the The Empirical Rule or 68-95-99.7%. We need to find the percent of data that lies within 1 standard about mean value:

                          P ( -1 < Z < 1 ) = 68%

                          P ( -2 < Z < 2 ) = 95%

                          P ( -3 < Z < 3 ) = 99.7%

6 0
3 years ago
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