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Sophie [7]
4 years ago
6

What is the area of the obtuse triangle given below?

Mathematics
2 answers:
monitta4 years ago
5 0

Answer:

C

Step-by-step explanation:

taurus [48]4 years ago
4 0

Answer:

9 sq. units

Step-by-step explanation:

  • We khow that the area of a triangle is  Area= (base*height)/2
  • so A=(9*2)/2=18/2=9

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You are interested in estimating the mean of a population. You plan to take a random sample from the population and use the samp
Alja [10]

Answer: The standard deviation of the sampling distribution of M is equal to the standard deviation of the population divided by the square root of the sample size.

You can assume that the sampling distribution of M is normally distributed for any sample size.

Step-by-step explanation:

  • According to the central limit theorem , if we have a population with mean (\mu) and standard deviation \sigma , then if we take a sufficiently large random samples from the population with replacement ,  the distribution of the sample means will be approximately normally distributed.
  • When population is normally distributed , then the mean of the sampling distribution = Population mean (\mu)
  • Standard deviation of the sampling distribution = \dfrac{\sigma}{\sqrt{n}} , where \sigma =  standard deviation of the population  , n=  sample size.

So, the correct statements are:

  1. You can assume that the sampling distribution of M is normally distributed for any sample size.
  2. The standard deviation of the sampling distribution of M is equal to the standard deviation of the population divided by the square root of the sample size.
4 0
3 years ago
48+2x a la 2 -x a la 4
galben [10]

Answer: −a5lx+2a3lx+48 (assuming that the a and the la are variables)

Step-by-step explanation:

48+2xala2−xala4

=48+2a3lx+−a5lx

=−a5lx+2a3lx+48

3 0
3 years ago
A recipe calls for 2 1/2 cups of flour to make 24 cookies how many cups of flour would be required to bake 15 dozen cookies
Citrus2011 [14]

15 dozen = 180 cookies

180 ÷ 24 = 7.5

7.5 x 2.5 = 18 3/4 cups of flour

7 0
4 years ago
Read 2 more answers
I need help with what is x 4x=20
Elodia [21]

Answer:

5

Step-by-step explanation:

You are looking for x so what you are really looking for is what times 4 =20 and that is 5.

5x4=20

3 0
3 years ago
Read 2 more answers
What is thirty plus ten times five minus forty five divided by five
Zielflug [23.3K]
The answer would be 71
8 0
4 years ago
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