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klemol [59]
3 years ago
12

Employee I has a higher productivity rating than employee II and a measure of the total productivity of the pair of employees is

40Y1 20Y2. Find the variance of this measure of productivity. (Round your answer to two decimal places.)

Mathematics
1 answer:
Schach [20]3 years ago
8 0

Answer:

The variance of the measure of productivity = 141.67(to 2 d.p)

Step-by-step explanation:

The complete question and the step-by step explanation are contained in the files attached to this solution.

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lbvjy [14]

Answer:

4 {x}^{2}  - 2x + x = 5 {x}^{2}  + 2x \\ 4 {x}^{2}  - x = 5 {x}^{2}  + 2x \\ 4 {x}^{2}  - 5 {x}^{2}  = 2x + x \\  - 1 {x}^{2}  = 3x \\  - x = 3 \\ x =  - 3 \\ thank \: you

5 0
3 years ago
Read 2 more answers
Help will mark Brainliest!!​
Marta_Voda [28]

Answer:

1/20

Step-by-step explanation:

1/4 = 0.25

0.25 / 5 = 0.05

0.05 as a fraction = 5/100

simplified

5 / 5 = 1

100 / 5 = 20

1/20

5 0
2 years ago
How many passwords of 5 characters (numbers or letters) can be created if repeats are allowed
alex41 [277]

Answer:

at least 290,000

Step-by-step explanation:

Why is this a question

4 0
3 years ago
The sum of three consecutive multiples of 7 is 777 find these multiples
Rudik [331]

let the consecutive multiples be 7(n-1) , 7n and 7(n+1)

so 7(n-1)+7n+7(n+1)=777

or 3n=111,

n=37

252,259,266

4 0
3 years ago
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Evelyn took out a car loan for $16125 that has 0% APR for the first 14 months and will be paid off with monthly payments over 6
never [62]
72 months=6 years
6×12=72

14 months 0% so evelyn be charged interest after 14 months

72-14=58 months evelyn be charged interest?
5 0
3 years ago
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