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Andrei [34K]
2 years ago
11

HELP 50 PTS

Mathematics
2 answers:
lana [24]2 years ago
5 0

Step-by-step explanation:

log(7x³/z) = log(7) + log(x³) - log(z).

3log(5) + 2log(x) - log(25) = log(125) + log(x²) - log(25) = log(125x²/25) = log(5x²).

GenaCL600 [577]2 years ago
5 0
Here you go! Hope this helps!! Merry Christmas!

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2. P337. 23. A large box contains 10,000 ball bearings. A random sample of 120 is chosen. The sample mean diameter is 10 mm, and
Rashid [163]

Answer:

B is True

A, C. D are false

Step-by-step explanation:

Given :

Sample size, n = 120

Mean diameter, m = 10

Standard deviation, s = 0.24

Confidence level, Zcritical ; Z0.05/2 = Z0.025 = 1.96

The confidence interval represents how the true mean value compares to a set of values around the mean computed from a set of sample drawn from the population.

The population here is N = 10000

To obtain

Confidence interval (C. I) :

Mean ± margin of error

Margin of Error = Zcritical * s/sqrt(n)

Margin of Error = 1.96 * 0.24/sqrt(120)

Confidence interval for the 10,000 ball bearing :

10 ± 1.96 * (0.24) / sqrt(120)

Hence. The confidence interval defined as :

10 ± 1.96 * (0.24) / sqrt(120) is the 95% confidence interval for the mean diameter of the 10,000 bearings in the box.

4 0
2 years ago
1. Find the length of X (in the picture) plssss I need help.​
Vedmedyk [2.9K]

Step-by-step explanation:

\frac{5}{4}  =  \frac{x}{6}  \\ 4x = 30 \\ x = 7.5

3 0
3 years ago
What are other ways to write 20,000,000
Klio2033 [76]
2×10 to the 7th power
3 0
3 years ago
If Mr. Smith allowed you to retake your final exam , what score would you have to get on the final exam to make at least a 90% i
Aleks [24]
It depends on how many questions there are.
6 0
2 years ago
Order the following from least to greatest 5.392, 5.932, 0.593, 0.9
Bingel [31]

Answer:

0.593, 0.9, 5.392, 5.932

Step-by-step explanation:

hope this helps^-^

3 0
3 years ago
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