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sesenic [268]
2 years ago
14

In order to describe velocity what three pieces of data are needes​

Mathematics
1 answer:
miskamm [114]2 years ago
3 0

Answer:

V=displacement/change of time

Step-by-step explanation:

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HOW MANY TIMES DOES 6 GO INTO 25
Sveta_85 [38]

Answer:

25/6 = 4 with a remainder of 1

8 0
3 years ago
Read 2 more answers
The following information was collected on 20 randomly chosen high school students, which compared their IQ score to musical apt
Mashcka [7]

Answer:

Y = 0.4925X - 22.26 ;

(-12.413, 13.398) ;

Yes, there is

Step-by-step explanation:

X = IQ Score ; Y = musical aptitude

The regression equation from the table given using the slope and intercept coefficient :

Y = 0.4925X - 22.26

0.4925 = slope ; Intercept = - 22.26

The 95% confidence interval of the slope :

Confidence interval = b ± Tcritical*SE

Tcritical at 95%, df = n - 2 = (20 - 2) = 18

Tcritical = 2.1009

b = slope Coefficient = 0.4925

S.E = 6.143

Hence, we have :

Confidence interval = 0.4925 ± (2.1009 * 6.143)

Confidence interval = 0.4925 ± 12.9058287

Lower boundary = 0.4925 - 12.9058287 = - 12.413

Upper boundary = 0.4925 + 12.9058287 = 13.398

(-12.413, 13.398)

There is a significant relationship between IQ score and musical aptitude because, 0 is within the confidence interval obtained.

6 0
3 years ago
What is the mean of caffeine content in soda drinks (to the nearest whole number)
frutty [35]
The mean of the data set is 26 because the sum of all the data points divided by the number of data points is 26.4 repeating which rounds to 26.
4 0
2 years ago
For problems 1 &amp; 2 determine favg <img src="https://tex.z-dn.net/?f=f%28x%29%3D8x%E2%88%923%2B5e2%E2%88%92x%20on%20%5B0%2C2%
Elanso [62]

Answer:

hellooooo

Step-by-step explanation:

mkay

6 0
3 years ago
In
aleksandr82 [10.1K]

Step-by-step explanation:

Let A be the set of people who speak English.    

B be the set of people who speak French.  

A - B be the set of people who speak English and not French.  

B - A be the set of people who speak French and not English.  

A ∩ B be the set of people who speak both French and English.  

Given

n(A) = 72       n(B) = 43       n(A ∪ B) = 100  

Now, n(A ∩ B) = n(A) + n(B) - n(A ∪ B)  

 = 72 + 43 - 100  

= 72 + 43 - 100  

= 115 - 100  

= 15

Therefore, Number of persons who speak both French and English

= 15  

n(A) = n(A - B) + n(A ∩ B)  

⇒ n(A - B) = n(A) - n(A ∩ B)  

= 72 - 15  

= 57

and n(B - A) = n(B) - n(A ∩ B)  

 = 43 - 15 = 28  

Therefore, Number of people speaking English only = 57  

Number of people speaking French only = 28

8 0
2 years ago
Read 2 more answers
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