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DENIUS [597]
3 years ago
11

I need help please and thank you

Mathematics
1 answer:
Dmitry_Shevchenko [17]3 years ago
4 0

Answer:

9+12+15= 36

Step-by-step explanation:

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An airplane descended 4,000 feet before landing The entity that represents how many feet the airplane was above the ground befor
hjlf

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Descends at a rate of 200 feet per min

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The Census Bureau reports that 82% of Americans over the age of 25 are high school graduates. A survey of randomly selected resi
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Answer:

Mean = 910.2

Standard deviation = 12.8

Step-by-step explanation:

82% over the age of 25 are high school graduates.

A survey randomly selected students of certain country included 1110 who were over the age of 25 and 871 of them were high school.

n = 1110

p = 82% = 0.82

q = 1 - 0. 82

q = 0.18

Mean = np

= 1110*0.82

= 910.2

Standard deviation = √npq

= √ 1110*0.82*0.18

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3 years ago
Kent worked in the housewares section of a department store this year he set a record high for vacuum sales with 567 vacuum sold
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One percent of 540 is 5.4 (540\100) now divide 567 by that number which gives you 105% take the original 100% away, it's an increase of 5%
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3 years ago
Expand the brackets and simplify: 2(5x-y)-3(3x-y)​
leonid [27]

Answer:

x - 5y

Step-by-step explanation:

2 ( 5x - y ) - 3 ( 3x - y )

= 10x - 2y - 9x + 3y

= 10x - 9x - 2y + 3y

= x - 5y ( ANS )

8 0
3 years ago
Read 2 more answers
What is the length of the side of a cone if the radius of the base is 12 and the height is 20 URGENT IMPORTANT P.S. THIS IS NOT
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Answer:

l=r2+h2=122+202≈23.32381

Step-by-step explanation:

6 0
3 years ago
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