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Nitella [24]
3 years ago
14

What is 30/45 in simplest form?

Mathematics
2 answers:
lubasha [3.4K]3 years ago
5 0
Its 2/3
divide the numerator and denominator by 15 and you get 2/3
cestrela7 [59]3 years ago
3 0
30/45

What numbers multiply to equal 30,and 45? 

30: 1*30 ,2*15, 3*10, 5*6, 
45: 1*45, 3*15, 5*9, 

Look for the <u>LARGEST</u><u /> number that they have in common. 
15 is the largest number they have in common! Replace those multiplications with the numbers... like a so: 

30/45 = (2*15)/(3*15)

The 15's will cancel out of the problem leaving us with the simplest form of the fraction. 

2/3!
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Ratio=2 ft/s
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Answer: 1.36 miles/h
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Step-by-step explanation:

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What is the range of the function f(x) =4x-1 when the domain is -3 ,0,4 ?
dedylja [7]

Answer:

The range of this function is {-13, -1, 15}.

Step-by-step explanation:

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f(4) = 15

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3 0
3 years ago
Describe the sampling of p hat. Assume that the size of the population is 25000 n= 300 p=0.7
katrin [286]

The mean of the given sample data is 210, and the standard deviation is 7.937.

Given size 'n' = 300

The population proportion 'p' = 0.7

Let 'x' be the random variable of the binomial distribution

a)  mean of the binomial distribution  = n p = 300 × 0.7

                                                              μ  = 210

b)  variance of the binomial distribution

⇒ n p q

⇒ 300 × 0.7 ×0.3

⇒ σ² = 63

The standard deviation of the binomial distribution:

⇒ √n p q = √63 = 7.937

Thus, the mean of the given sample data is 210, and the standard deviation is 7.937.

Learn more about the standard deviation here:

brainly.com/question/16555520

#SPJ1

The question seems to be incomplete the correct question would be:

describe the sampling of p hat. Assume that the size of the population is 25000 n= 300 p=0.7 a) Determine the mean of the sampling distributionb) Dtermine the standard deviation of the sampling distribution

3 0
1 year ago
A set average city temperatures in August are normally distributed with a mean of 21.25 degrees Celsius and a standard deviation
Ainat [17]

Answer:

The proportion of temperatures that lie within the given limits are 10.24%

Step-by-step explanation:

Solution:-

- Let X be a random variable that denotes the average city temperatures in the month of August.

- The random variable X is normally distributed with parameters:

                           mean ( u ) = 21.25

                           standard deviation ( σ ) = 2

- Express the distribution of X:

                           X ~ Norm ( u , σ^2 )

                           X ~ Norm ( 21.25 , 2^2 )

- We are to evaluate the proportion of set of temperatures in the month of august that lies between 23.71 degrees Celsius and 26.17 degrees Celsius :

                           P ( 23.71 < X < 26.17 )

- We will standardize our limits i.e compute the Z-score values:

                          P (  (x1 - u) / σ < Z < (x2 - u) / σ )

                          P (  (23.71 - 21.25) / 2 < Z < (26.17 - 21.25) / 2  )

                          P ( 1.23 < Z < 2.46 ).

- Now use the standard normal distribution tables:

                          P ( 1.23 < Z < 2.46 ) = 0.1024

- The proportion of temperatures that lie within the given limits are 10.24%

4 0
3 years ago
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