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EleoNora [17]
3 years ago
13

The cost for a pack of 9 padlock is $25.20 find the unit price in dollars per padlock if necessary round your answer to the near

est cent.
Mathematics
2 answers:
Elena-2011 [213]3 years ago
8 0

Answer:

2.80

Step-by-step explanation:

Take the cost and divide by the number of padlocks

25.20/9

2.80

Each padlock costs 2.80

Ivan3 years ago
7 0

Answer:

$2.80

Step-by-step explanation:

25.20 is the total price, and there are 9 padlocks, so to get the price of each padlock, divide 25.20 by 9

25.20/9=2.8

write your answer in dollars: $2.80

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There are 40 houses in a neighborhood.Company X provides electricity to 1/8 of the houses ,how many houses does Company X provid
Sedaia [141]

Answer:

5 houses

Step-by-step explanation:

40 × 1/8

40/8

5 houses

7 0
3 years ago
According to a Human Resources report, a worker in the industrial countries spends on average 419 minutes a day on the job. Supp
MA_775_DIABLO [31]

Answer:

A) Between 388 and 450

B) Between 357 and 481

C) Between 326 and 512

D) 99.995%

E) 72.907%

Step-by-step explanation:

We are given;

Mean; x¯ = 419 minutes

Standard deviation; σ = 31 minutes

A) From the empirical rule, 68% falls within 1 standard deviation.

Thus, it will be between;

419 - 1(31) and 419 + 1(31)

Thus gives;

Between 388 and 450

B) From the empirical rule, 95% falls within 2 standard deviation.

Thus, it will be between;

419 - 2(31) and 419 + 2(31)

Thus gives;

Between 357 and 481

C) From the empirical rule, 99.7% falls within 2 standard deviations.

Thus, it will be between;

419 - 3(31) and 419 + 3(31)

Thus;

Between 326 and 512

D)between 359 and 479 minutes, we will use z-s roe formula;

z = (479 - 359)/31

z = 3.871

From the z-table attached, we see that the probability is 0.99995 and as such, the percentage is 99.995%

E) worker spent 400 minutes on the job.

Thus;

z = (419 - 400)/31

z = 0.613

From z-tables, p = 0.72907

In percentage, we have; 72.907%

6 0
3 years ago
Given 4x+ 5y = z, solve for y
kiruha [24]

Step-by-step explanation:

y cannot be determined from the information given

6 0
3 years ago
What are all the fractions are equivalent to 4/12
GarryVolchara [31]
The answers are 1/3, 2/6, 3/9, 4/12
5 0
3 years ago
47 + 34 = 3k + 3k + 3k<br> solve for k
ICE Princess25 [194]

Answer:

Step-by-step explanation:

47+34=9k

81=9k

k=81/9=9

k=9

6 0
2 years ago
Read 2 more answers
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