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Gelneren [198K]
2 years ago
7

What effect does blocking by gender have on the standard deviation of recumbent length for each​ gender?

Mathematics
1 answer:
jek_recluse [69]2 years ago
3 0
The standard deviation is lower for each group than it is for the groups combined.
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62 = 9z + 17<br> Solve for Z
Lina20 [59]

Answer : Z = 5

Step-by-step explanation :

62 = 9z + 17

-17 -17

45 = 9z

/9 /9

5 = z

Plug it back in :

62 = 9(5) + 17

62 = 45 + 17

62 = 62

7 0
3 years ago
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mart [117]

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<u>Step-by-step explanation:</u>

The value of sin^2 (pi/4) = √2/ 2

The value of cos^2 (pi/4) = √2/ 2

=  √2/ 2 +  √2/ 2

=  √2 +  √2 / 2

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3 years ago
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Tanzania [10]

Answer:

d

Step-by-step explanation:

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2 years ago
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Pani-rosa [81]

Answer:

2√5

Step-by-step explanation:

d = √(x2 - x1)² + (y2 - y1)²

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= √(2)² + (4)²

= √(4) + (16)

= √20

= 2√5

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