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maria [59]
3 years ago
14

Find the sample standard deviation. 7,17,16,10,9,8,15,13,11

Mathematics
1 answer:
polet [3.4K]3 years ago
6 0

SD would be = 3.6324 look at the picture

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Ryan is trying to determine whether 2.7x – 5.9 is equivalent to 2.8x – 5.9. To test this, he substitutes 0 for x into both expre
Svetlanka [38]

Answer:

See below.

Step-by-step explanation:

It's because any number multiplied by 0 equals 0. We could put any 2 numbers other than 2.7 and 2.8 yet still get both sides of the  equation = - 5.9 but the 2 sides are obviously not equal.

To do the test correctly he can use any number except 0.

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3 years ago
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How do you do...<br> cos2x-sin2x=1-2sin2x
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3 years ago
If using the method of completing the square to solve the quadratic equation x squared -20x+24=0, which number would have to be
Ksivusya [100]

Oksuru   k diyaf         ramincok ani kasilm asiyla olusan bir refle kstir.

6 0
3 years ago
If b=5 what is b to the power of 5
Sonja [21]

Answer: 5^5 = 3125

Step-by-step explanation:

To the power of mostly means multiplying it by itself the number of times giving so for your problem it is 5 times itself 5 times so 5*5*5*5*5 = 3125

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3 years ago
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The interior ages of a triangle have measure
Nina [5.8K]

Answer:

See below in bold.

Step-by-step explanation:

1. The 3 angles in a triangle add up to 180 degrees.

So x = 180 - (55 + 25)

= 180 - 80

= 100 degrees.

2.  The 4 angles in a quadrilateral add up to 360 degrees,, so

3x + 127 + 54 + 119 = 360

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x = 20 degrees.

3. Exterior angle

= 94 + 42

= 136 degrees.

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