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jeyben [28]
3 years ago
10

HELP PLEASEEEEEEEEEEEEEEEEEEE

Mathematics
1 answer:
raketka [301]3 years ago
8 0

Answer:

  1. counterclockwise rotation
  2. clockwise rotation
  3. 90 degrees rotation
  4. 270 degrees rotation
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A person must score in the upper 8% of the population on an IQ test to qualify for membership in MENSA, the international high-I
Cloud [144]

Answer:

A person must get an IQ score of at least 138.885 to qualify.

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 115, \sigma = 17

(a). [7pts] What IQ score must a person get to qualify

Top 8%, so at least the 100-8 = 92th percentile.

Scores of X and higher, in which X is found when Z has a pvalue of 0.92. So X when Z = 1.405.

Z = \frac{X - \mu}{\sigma}

1.405 = \frac{X - 115}{17}

X - 115 = 17*1.405

X = 138.885

A person must get an IQ score of at least 138.885 to qualify.

5 0
3 years ago
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PLEASE HELP ME!!! I need to simplify these equations, not answer them.
Leya [2.2K]

Answer:

Step-by-step explanation:

a= 2qr^3 quotent 6p^2

8 0
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It takes you 0.8 of a minute to read each page of your health book.It takes you 5.5 minutes to take the test at the end.How long
Nina [5.8K]
So you divide 0.8 by 6.25 and your answer is 7.8125 and then you add 5.5 minutes of your other number and you get the answer of  13.3125
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How many zeros are in the product?<br> (2 x 9) x 10
VashaNatasha [74]

Answer:

1

Step-by-step explanation:

(2x9)= 18

18x10=180

there is 1 zero in 180

5 0
3 years ago
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What are the solutions of the equation 4x2 + 3x = 24 – x?
Rashid [163]

Answer:

X+4

Step-by-step explanation:

8+3x=25-x

3x+x=24-8

4x+16

6 0
3 years ago
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