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3 years ago

What is the unit price of cheese if 1.6 pounds cost $14.40?

Mathematics

2 answers:

Nookie1986 [14]3 years ago

7 0

Answer:

$8.87 per pound

Step-by-step explanation:

PtichkaEL [24]3 years ago

4 0

Answer:

32647

Step-by-step explanation:

It is this becasue i know

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Researchers examined the bill color (in hue degree) of male and female zebra finches. Here are the summary statistics from the s

sesenic [268]

Answer:

The answer to this question can be defined as follows:

Step-by-step explanation:

In the question some iformation is missing, which can be defined as follows:

Given:

The value of males:

$n_1= 59\\s_1= 1.46\\\bar y_1=2.91\\$

The value of Females:

$n_2=60\\s_2= 2.48\\\bar y_2=7.42\\$

Calculating Degrees of Freedom:

$\bold{ df=\frac{\frac{s_1^2}{n_1}+\frac{s_2^2}{n_2}}{ \frac{1}{n_1-1} (\frac{s_1^2}{n_1})^2+\frac{1}{n_2-1} (\frac{s_2^2}{n_2})^2}}\\\\\\$

$=\frac{(\frac{1.46^2}{59}+\frac{2,48^2}{60})^2}{ \frac{1}{59-1} (\frac{1.46^2}{59})^2+\frac{1}{60-1} (\frac{2.48^2}{60})^2}\\$

$=9.58 or 95$

$\alpha= 1-0.95\\\\$

$= 0.05$

for 95% confidence interval are:

$\frac{\alpha}{2} = \frac{0.05}{2} = 0.025$

From its t-distribution table , the value of t has an region of ( $\frac{\alpha}{2} \ \ 0.025$ ) for (df=95) in its upper tail.

shall be given by = t {0.025}=1.985

Calculating the margin of Error:

$M_OE =t_{0.025} \times \sqrt{\frac{s_1^2}{n_1}+\frac{s_2^2}{n_2}}$

$=1.985\times \sqrt{\frac{1.46^2}{59}+\frac{2.48^2}{60}}\\\\=0.739$

The difference in mean bill color " $\mu_2 -\mu_1$ " with 95% confidence intervals:

$\to (7.42 - 2.91) \pm 0.739\\\\\to 4.51 \pm 0.739$

Lower limit=3.771

Upper limit = 5.249

6 0

3 years ago

620,000 round off by ten thousand

Softa [21]

620,000 is already rounded by ten thousand

6 0

3 years ago

For the following system, use the second equation to make a substation for y in the first equation. 2x+y=6 y=3x+4. What is the r

Vera_Pavlovna [14]

2x+y=6
y=3x+4

The resulting equation is
5x=2
where
x=2/5

3 0

3 years ago

Find the missing value.

mixas84 [53]

Answer:

-4 = 5 - 9

Step-by-step explanation:

-4 = ? - 9

Add 9 to -4

5

The result of -4 = ? - 9 is 5

-4 = 5 - 9

-4 = -4

3 0

3 years ago

The author says the king of France had all knives ground down. what does ground down mean?

Zepler [3.9K]

Answer:

B. Made smoother

Step-by-step explanation:

The problem with the knives people had was that they were too pointy and could be used to cause harm. In order to prevent the knives from causing harm the king ground them down meaning that he had the points of the knives smoothed so that they were not as dangerous.

4 0

3 years ago