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Kazeer [188]
2 years ago
9

Multiply (-6 + i)(-2 + 9i).

Mathematics
2 answers:
ch4aika [34]2 years ago
8 0

Answer:

C) 3-56i

Step-by-step explanation:

I can be friends

malfutka [58]2 years ago
4 0

Answer:

b

Step-by-step explanation:

go with that and you may win at this multiply question

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Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar(s). Employee Number
irakobra [83]

Answer:

years worked: 14

at least 10 years: 73%

Step-by-step explanation:

The mean is found by adding the years of service and dividing by the number of employees. The total years of service is 417, so the average is ...

average years worked = 417/30 = 13.9 ≈ 14 . . . years

__

The percentage of employees that have worked there at least 10 years is found by counting the number with 10 or more years of service and dividing that count by the total number of employees. The result is then expressed as a percentage.

(10 years or over)/(total number) = 22/30 = 0.73_3 (a repeating decimal) ≈ 73%

_____

Comment on the working

A spreadsheet can be helpful for this. It has a function that can calculate the mean for you. Sorting the years of service into order can make it trivially easy to count the number that are 10 or more, or you can write a function that will do the count for you. (Also, less than 10 means the years are a single digit. There are 8 single-digit numbers in your list.) The hard part is copying 30 numbers without error.

3 0
2 years ago
Read 2 more answers
When 3^2 – 2 + 7 is subtracted from 5^3 – 4^2 + 10, what is the difference?
xxTIMURxx [149]
The difference is 105
3^2 - 2 + 7 =
(3 x 3) - 2 + 7 =
9 - 2 + 7 = 14

5^3 - 4^2 + 10 =
( 5 x 5 x 5) - ( 4 x 4) + 10
125 - 16 + 10 = 119

119 - 14 = 105
6 0
3 years ago
Amy went to the grocery store and purchased 4 apples, 5 oranges, and 2 bananas. What is the ratio of the number of oranges she p
Lubov Fominskaja [6]

Answer:

5:11

Step-by-step explanation:

7 0
2 years ago
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If x is 5, then 6x= __.
Misha Larkins [42]

Answer:

30

Step-by-step explanation:

Plug in x:

6(5)=30

5 0
3 years ago
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I need to multiply 11x0.08 how would i do it?
g100num [7]

Answer:

just use calculator ,88 is answer and hi

6 0
8 months ago
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