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Lyrx [107]
3 years ago
10

Which of the following rational numbers has the smallest absolute value? -1.5, -4, 8, or 0.5?

Mathematics
2 answers:
ICE Princess25 [194]3 years ago
6 0
The answer is 0.5

you're welcome
Marrrta [24]3 years ago
5 0
-4 por qu si locas en una linea numerica ese seria el que esta mas a la izqerda
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A.) 0.3<br> B.)0.4<br> C.)0.5<br> D.)0.6
love history [14]

Answer:

A) 0.3

Step-by-step explanation:

You need to add all of them together first,

126 + 201 + 107 + 120 + 46 = 600

Out of 600, 201 is e, so 201/600 = 0.335, which is also just 0.3

7 0
3 years ago
Based on information from Harper’s Index, 37% of adult Americans believe in Extraterrestrials. Out of a random sample of 100 adu
san4es73 [151]

Answer:

z(s)  is in the rejection zone , therefore we reject H₀

We have enough evidence to claim the proportion of individuals who attended college and believe in extraterrestrials is bigger than 37%

Step-by-step explanation:

We have a prortion test.

P₀  =  37 %         P₀  = 0,37

sample size  =  n  =  100

P sample proportion   =   P  = 47 %        P  =  0,47

confidence interval  95 %

α  =   0,05  

One tail-test  (right tail) our case is to show if sample give enough information to determine if proportion of individual who attended college is higher than the proportion found by Harper´s index.

1.-Hypothesis:

H₀      null hypothesis                        P₀  =  0,37

Hₐ  alternative hypothesis                P₀  >  0,37

2.-Confidence interval 95 %

α  =   0,05        and    z(c)  =  1.64

3.-Compute of z(s)

z(s)  =  [  P  -  P₀  ]  /√(P₀Q₀/n) ]  

z(s)  =  [ (  0,47  -  0,37  ) /  √0.37*0,63/100

z(s)  = 0,1 /√0,2331/100     ⇒   z(s)  = 0,1 /0,048

z(s)  = 2.08

4.-Compare  z(s)   and  z(c)

z(s) > z(c)        2.08  > 1.64

5.-Decision:

z(s)  is in the rejection zone , therefore we reject H₀

We have enough evidence to claim the proportion of individuals who attended college and believe in extraterrestrials is bigger than 37%

5 0
3 years ago
Is 0.25 rational or irrational
love history [14]
0.25 is rational because it is a terminating (means 'its stops') fraction.
3 0
3 years ago
A swimming pool had 2.5 million liters of water 2million liters evaporated what percent of weather evaporated
Rufina [12.5K]
2million/2.5million=80%
8 0
3 years ago
Find the percent change from 70 to 42.
Evgen [1.6K]

Answer:

It decreased by 40%

Step-by-step explanation:

Percent change = 42 - 70

|70|

x 100 = -28

70

x 100 = -40

Mark me brainliest if I helped:D

3 0
2 years ago
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