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asambeis [7]
3 years ago
11

RAPIDOOOOOOO PLS In a hydraulic jack, the pipe below the load has an area of 4 m2, and the pipe through which the input force tr

ansmits has an area of 0.1 m2. What input force is necessary to balance a load of 9,000 N? A) 90 N B) 225 N C) 450 N D) 900 N
Mathematics
1 answer:
vazorg [7]3 years ago
7 0

Answer:

heheheheheheheh

Step-by-step explanation:

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A botanist collected one leaf at random from each of 10 randomly selected mature maple trees of the same species. The mean and t
Zarrin [17]

Answer:

One sample t-test for population mean would be the most appropriate method.

Step-by-step explanation:

Following is the data which botanist collected and can use:

  • Sample mean
  • Sample Standard Deviation
  • Sample size (Which is 10)
  • Distribution is normal

We have to find the best approach to construct the confidence interval for one-sample population mean. Two tests are used for constructing the confidence interval for one-sample population mean. These are:

  • One-sample z test for population mean
  • One-sample t test for population mean

One sample z test is used when the distribution is normal and the population standard deviation is known to us. One sample t test is used when the distribution is normal, population standard deviation is unknown and sample standard deviation is known.

Considering the data botanist collected, One-sample t test would be the most appropriate method as we have all the required data for this test. Using any other test will result in flawed intervals and hence flawed conclusions.

Therefore, One-sample t-test for population mean would be the most appropriate method.

8 0
3 years ago
If 5/12 visitors are adults and 3/10 were men what fraction were men?
Zigmanuir [339]

You need to do the following equation:


(5/12)*(3/10)


5*3=15

12*10=120


15/120=5/40 of the adults who visited were men.


6 0
3 years ago
If a function is written in slope intercept form, y=mx+b, the x represents the ______.
Hitman42 [59]

The x in y = mx + b represents the input, C.

4 0
3 years ago
A password is 4 characters long and must consist of 3 letters and one number. if letters cannot be repeated and the password mus
sdas [7]

The possibility of selecting a 4 characters long password consisting of 3 letters and one number if letters cannot be repeated and the password must end with a number is 156000

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more number and variables.

The possibility of selecting the password = 26 * 25 * 24 * 10 = 156000

The possibility of selecting a 4 characters long password consisting of 3 letters and one number if letters cannot be repeated and the password must end with a number is 156000

Find out more on equation at: brainly.com/question/2972832

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7 0
2 years ago
On a certain hot Summer's day 388 people use the public swimming pool. The daily prices are $1.75 for children and $2 for adults
Alecsey [184]

Answer:

it could be 372 adults with one kid or 426 kids with no adults but that isn't logical

Step-by-step explanation:

i don't really know how to explain it sorry

6 0
2 years ago
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