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Mathematics

1 answer:

yan [13]2 years ago

5 0

Answer:

Step-by-step explanation:

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The sample means for three samples of 20 are shown in the table. graph Compute the variation of each predicted population mean f

Lyrx [107]

Answer:

Step-by-step explanation:

Sample 1 :1.5

Sample 2:-2.5

sample 3:5.5

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2 years ago

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Can someone help me with this

FrozenT [24]

Answer:

1) B) 123 years

2) B) 51 years

Step-by-step explanation:

1)given information

2) 2011-1960=51

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2 years ago

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Your parents allow you to borrow a car to get to your part-time job, but you have to pay for a tank of gas each month. Gasoline

alex41 [277]

The answer to this question is the letter "A" which is $20.70. The solution is shown below:

If the guy will solely use the car, his expenses for the gasoline per month is:
Guy alone = $ 2.76/gallon * 15 gallons = $ 41.4

If the guy will let his two officemates ride the car and contribute each quarter of the of a tank:
First officemate = 15/4 * $2.76 = $ 10.35
Second officemate = 15/4 * $2.76 = $10.35

The guy total savings is shown below:
Total savings = $41.4 - $10.35 -$10.35
Total savings = $20.70

The answer is the letter "A".

5 0

2 years ago

A student drove to the university from her home and noted that the odometer reading of her car increased by 16.0 km. The trip to

notka56 [123]

Answer:

Average speed is 48 km per hour

Step-by-step explanation:

A student drove to the university from her home and noted that the odometer reading of her car increased by 16.0 km. The trip took 20.0 min. (a) What was her average speed? in km/hr

Distance traveled is 16 km and the time taken is 20 minutes

convert minutes into hour. to convert minutes into hour we divide by 60 because 1 hour = 60 minutes

$\frac{20}{60} =\frac{1}{3}$