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Morgarella [4.7K]
3 years ago
10

In January Keontre was 48 5/8 inches tall. By august he was 51 1/3 inches tall. How many inches did he grow from January to Augu

st?
Mathematics
2 answers:
antoniya [11.8K]3 years ago
8 0
2 and 17/24
first find the common denominator of 24.
51 and 8/24 minus 48 and 15/24 equals 2 and 17/24
Arada [10]3 years ago
7 0
The answer is 2 17/24
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Scrat [10]

Answer:

The 95% confidence interval for the true mean cholesterol content, μ, of all such eggs is between 226.01 and 233.99 milligrams.

Step-by-step explanation:

We have that to find our \alpha level, that is the subtraction of 1 by the confidence interval divided by 2. So:

\alpha = \frac{1-0.95}{2} = 0.025

Now, we have to find z in the Ztable as such z has a pvalue of 1-\alpha.

So it is z with a pvalue of 1-0.025 = 0.975, so z = 1.96

Now, find M as such

M = z*\frac{\sigma}{\sqrt{n}}

In which \sigma is the standard deviation of the population and n is the size of the sample.

M = 1.96*\frac{17.4}{\sqrt{73}} = 3.99

The lower end of the interval is the sample mean subtracted by M. So it is 230 - 3.99 = 226.01

The upper end of the interval is the sample mean added to M. So it is 230 + 3.99 = 233.99.

The 95% confidence interval for the true mean cholesterol content, μ, of all such eggs is between 226.01 and 233.99 milligrams.

4 0
3 years ago
The following equation defines f(x)=-3x-5 . If (-5,n) is an ordered pair of the function rule, what is the value of n?
ElenaW [278]

Given:

The function is

f(x)=-3x-5

(-5,n) is an ordered pair of the function rule.

To find:

The value of n.

Solution:

If (-5,n) is an ordered pair of the function rule, then the function must be satisfied by the point (-5,n). It means f(-5)=n.

Substitute x=-5 in the given function.

f(-5)=-3(-5)-5

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f(-5)=10

We know that, f(-5)=n. So,

n=10

Therefore, the value of n is 10.

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3 years ago
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klasskru [66]

y - 6 = 4(1 - 4)

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y = -6

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Vsevolod [243]

Answer:

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2 years ago
Let f(x) =(x-3) find the domain of x
m_a_m_a [10]

Answer:

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