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3 years ago

15

When statisticians collect information to find characteristics of a large group of people They survey part of the group. What is

the part of the group called?

2 answers:

SpyIntel [72]3 years ago

8 0

It is called a sample.

Hope this helps!

Elenna [48]3 years ago

5 0

This is called sample of the population or Random sample of the population

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What is the measure of Zx?<br> X= ??

Montano1993 [528]

Answer:

x = 31 degrees

Step-by-step explanation:

180 - 149 = 31

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The number is greater than 225 her number is less than 200 - 10 + 7 what is lucky number

horsena [70]

The answer should be = 226

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3 years ago

A) -40÷5(2) <br> B) (-2) + 3(12) ÷ 4<br> C) -2(3+4)

Furkat [3]

Always do brackets first

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2 years ago

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Solve the Inequality for M:<br> 1 + m/3 < 6

Nookie1986 [14]

1 + m/3 < 6

Take 1 off both sides:

m / 3 < 5

Times both sides by 3:

m < 15

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3 years ago

PLSS HELP ILL GIVE YOU BRAINLIEST!!

uysha [10]

Answer:

Step-by-step explanation:

Q1)

Use Phythogoras theorem:

$(AC)^2=(BC)^2+(AB)^2\\BC^2=AC^2-AB^2\\BC^2=6^2-4^2\\BC^2=36-16\\BC^2=20\\\\Apply\ square\ on\ both\ sides\\\\\sqrt{BC^2}=\sqrt{20} \\BC=\sqrt{20} \\BC=\sqrt{10(2)} \\BC=\sqrt{5(2)(2)} \\BC=2\sqrt{5}$

Q2)

Apply phythogoras theorem:

$CD^2=CE^2+DE^2\\CD^2=7^2+9^2\\CD^2=49+81\\CD^2=130\\\\Apply\ square\ root\ on\ both\ sides\\\\\\sqrt{CD^2} = \sqrt{130} \\\\CD=\sqrt{130} \\\\CD=11.4$

Q3)

Apply phythogoras theorem again:

$BC^2=BD^2+CD^2\\BC^2=7^2+13^2\\BC^2=49+169\\BC^2=218\\\\Apply\ square\ root\ on\ both\ sides\\\\\\sqrt{BC^2} =\sqrt{218} \\\\BC=\sqrt{218} \\\\BC=14.76$

I have an attached an image for Question 2 for better understanding the length of DE in question equals 15 - 6 = 9

4 0

3 years ago