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3 years ago

Which is greater 18.56 or 18.546

Mathematics

2 answers:

raketka [301]3 years ago

8 0

Answer:

18.56

Step-by-step explanation:

Artist 52 [7]3 years ago

7 0

18.56 is greater than 18.546.

While the 1, 8 and 5 figures are the same, 6 is bigger than 4.

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That every week Elena pays her brother $3

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Mrrafil [7]

SAS stands for Side-Angle-Side congruence/similarity theorem

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4 years ago

I need help for this also

lubasha [3.4K]

Answer:

a) h = 6 2/17

b) k = 3 8/17

Step-by-step explanation:

We can make a list of corresponding sides:

AB (17 cm) and DE (13 cm)

BC (15 cm) and EC (8+k cm)

CA (8 cm) and CD (h cm)

Because the triangles are similar, we know corresponding sides are proportional.

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3 years ago

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Data were collected from a typing class with 45 students. The class had an average of 56 words per minute (WPM) with a standard

STALIN [3.7K]

Answer:

Standard deviation gets smaller

Step-by-step explanation:

No. of students = 45

The class had an average of 56 words per minute (WPM) with a standard deviation of 7 WPM.

$Mean = \frac{\text{Sum of all observations}}{\text{No. of observations}}\\56=\frac{Sum}{45}\\56 \times 45=Sum\\2520=Sum$

The teacher realized that the data from one student who typed 55 WPM was not entered.

So, new sum = 2520+55

New sum =2575

So, new mean = $\frac{2575}{45}$

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So, if number gets closer to mean , Standard deviation gets smaller . if the numbers get bigger , Standard deviation gets bigger.

Since 55 is closer to 57.22

So, Standard deviation gets smaller

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3 years ago