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3 years ago

Kyle says the number is greater when an object is measured in centimeters than in millimeters. Is Kyle correct? Explain

Mathematics

2 answers:

Virty [35]3 years ago

6 0

1 centimeter = 10 millimeters. Kyle is not correct.

Lerok [7]3 years ago

3 0

False.

1 centimeter = 10 millimeters.

with this knowledge, we can say, for example, that:

70 (in millimeters) as a number is greater than 7 (in centimeter), as 70 > 7

hope this helps

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In order to estimate the difference between the average hourly wages of employees of two branches of a department store, the fol

Julli [10]

Answer:

$0.071,1.928$

Step-by-step explanation:

Downtown Store North Mall Store

Sample size n 25 20

Sample mean $\bar{x}$ $9 $8

Sample standard deviation s $2 $1

$n_1=25\\n_2=20$

$\bar{x_1}=9\\ \bar{x_2}=8$

$s_1=2\\s_2=1$

$x_1-x_2=9-8=1$

Standard error of difference of means = $\sqrt{\frac{s_1^2}{n_1}+\frac{s_2^2}{n_2}}$

Standard error of difference of means = $\sqrt{\frac{2^2}{25}+\frac{1^2}{20}}$

Standard error of difference of means = $0.458$

Degree of freedom = $\frac{\sqrt{(\frac{s_1^2}{n_1}+\frac{s_2^2}{n_2}})^2}{\frac{(\frac{s_1^2}{n_1})^2}{n_1-1}+\frac{(\frac{s_2^2}{n_2})^2}{n_2-1}}$

Degree of freedom = $\frac{\sqrt{(\frac{2^2}{25}+\frac{1^2}{20}})^2}{\frac{(\frac{2^2}{25})^2}{25-1}+\frac{(\frac{1^2}{20})^2}{20-1}}$

Degree of freedom =36

So, z value at 95% confidence interval and 36 degree of freedom = 2.0280

Confidence interval = $(x_1-x_2)-z \times SE(x_1-x_2),(x_1-x_2)+z \times SE(x_1-x_2)$

Confidence interval = $1-(2.0280)\times 0.458,1+(2.0280)\times 0.458$

Confidence interval = $0.071,1.928$

Hence Option A is true

Confidence interval is $0.071,1.928$

4 0

3 years ago

Write the ratio as a fraction in simplest form. 6 ft to 4 yd

Shtirlitz [24]

The answer is 1/2 because 4yd = 12 ft. so the ratio would be 6 to 12 then you simplify to 1/2

8 0

3 years ago

Which answer represents a geometric sequence?

exis [7]

Answer:

{−1008,−504,−252,−126,…}

Step-by-step explanation:

-504÷(-1 008)=0.5

(-252)÷(-504)=0.5

(-126)÷(-252)=0.5

In this sequence ,we multiply by 0.5 each time to get the next term

then it’s a geometric sequence.

3 0

3 years ago

If the data is spread out evenly, the measure of the center that is best to use is the what.

miss Akunina [59]

That would be the mean.

3 0

4 years ago

Read 2 more answers

#1: Solve the equation below. 5x + 7 = -3x + 31

svlad2 [7]

Answer:

x=3

Step-by-step explanation:

You can solve by:

5x+7=-3x-31

adding 3x to each side:

8x+7=31

Subtract 7 from each side:

8x=24

Divide each side by 8:

x=3

That is your answer

Hope this helps!

8 0

3 years ago

Read 2 more answers