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Ray Of Light [21]
2 years ago
13

Need help with this question. Will crown brainliest

Mathematics
1 answer:
Fynjy0 [20]2 years ago
4 0
Answer f(x)=1/x
g(x)=x+2
f(g(x))=f(x+2)
f(x+2)=1/(x+2)=h(x)
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Recall the chapter example which described the fact that the mean IQ in large, diverse populations is 100 and the standard devia
vova2212 [387]

Answer:

The margin of error for the 99% confidence level for this sample is ±2.23.

None of the given figures is close to the answer:

E. None of the above

Step-by-step explanation:

margin of error (ME) around the mean can be calculated using the formula

ME=\frac{z*s}{\sqrt{N} } where

  • z is the corresponding statistic of the 99% confidence level (2.576)
  • s is the population IQ standard deviation (15)
  • N is the sample size (300)

Using these numbers we get:

ME=\frac{2.576*15}{\sqrt{300} }  ≈ 2.23

7 0
2 years ago
Point A lies on the circle and has an x-coordinate of 1.
scoundrel [369]

Answer:

D

Step-by-step explanation:

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8 0
3 years ago
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Nuetrik [128]

Answer:

LCM is 504. GCF is 42

Step-by-step explanation:

6 0
2 years ago
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klemol [59]

Formula: V = PI x r^2 x H

Volume = 3.14 x 4^2 x 10

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Volume = 3.14 x 160

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3 years ago
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4y-8-2y+5=0 help please
tia_tia [17]
4y - 8 - 2y + 5 = 0
2y - 3 = 0
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4 0
3 years ago
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