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kogti [31]
3 years ago
10

Compute the standard deviation of the data set. Round to the nearest hundredth, if needed.

Mathematics
1 answer:
NeTakaya3 years ago
5 0
The correct answer is D
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How to solve 7x + 7x = -3 + x
Ivahew [28]

add the like terms

14x=-3+x

subtract x from both sides

13x=-3

divide both sides by 13

x=-3/13

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In the expression 4 (2m-n), determine which of the following best describes the role of (2m-n).
Dmitrij [34]

Answer:

A

Step-by-step explanation:

(2m-n) is a factor of 4(2m-n)

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Find the side length of X
7nadin3 [17]

Answer:

7√3

Step-by-step explanation:

We can use pythagoreans theorem to solve this

Since, we know one side, and the hypotenuse, we can solve for the other side.  

Pythagoreans theorem: a²+b²=c²

Where a and b are two sides, and c is the hypotenuse (the side opposite of the right angle)

In this triangle, 7 is the side, and 14 is the hypotenuse.

I will plug in the values into pythagoreans theorem, and then simplify:

a^{2}+b^{2} =c^{2} \\\\7^{2} +x^{2} =14^{2} \\\\49+x^{2} =196\\\\x^{2} =147\\\\x=\sqrt{147} \\\\x=\sqrt{49*3 }\\\\ x=\sqrt{7^{2} *3 }\\\\x=7\sqrt{3}

So x = 7√3

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3 years ago
Which value of x make the equation 1.25(4x − 10) = 7.5 true?
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Answer:

55.76

Step-by-step explanation:

semoga mambantu

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