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levacccp [35]
3 years ago
11

The answer to explain how to find 4 x 8 show your work

Mathematics
2 answers:
oee [108]3 years ago
6 0
  4 
x 8
-------
32
 the answer of 4x8=32
Effectus [21]3 years ago
3 0
4 multiplied by 8 would be 32. I know this because if you have one group of 8, and add 3 more, and you sat down to count, you would get 32. Also, 8 plus 8 plus 8 plus 8 is 32. 
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a study timed left-handed and right-handed people to see how long it took them to hit a buzzer. the data is shown below: the six
Effectus [21]

The z or t score to be used is  (0.422,0.978)

How to find the critical value ?

Critical probability (p*) = 1 - (Alpha / 2), where Alpha is equal to 1 - (the confidence level / 100), is the unit statisticians use to determine the margin of error within a set of data in statistics.

The critical value for α = 0.13 is z_{c} = \frac{z_{1} - \alpha }{2}

The corresponding confidence interval is computed as shown below

CI = (X1_{1}  - X_{2}- z_{c} \sqrt{\frac{a_{1}^{2}}{n_{1} } + \frac{a_{2}^{2}}{n_{2} }}  ,  X1_{1}  - X_{2}+z_{c} \sqrt{\frac{a_{1}^{2}}{n_{1} } + \frac{a_{2}^{2}}{n_{2} }}  )

CI = (2.1 - 1.4- 1.514\sqrt{\frac{1^{2}}{37 } + \frac{0.5_{2}^{2}}{38 }}  ,  2.1  - 1.4 + 1.514 \sqrt{\frac{1^{2}}{37 } + \frac{0.5^{2}}{38 }}  )

CI = (0.422, 0.978)

0.422< mu1 - mu 2 < 0.978

To learn more about finding the critical value from the given link  

brainly.com/question/14040224

#SPJ4

8 0
1 year ago
Answer the question for me ASAP
Ludmilka [50]
I think the answer is A
8 0
3 years ago
Read 2 more answers
Tarea: Expresiones Algebraicas Instrucciones: Evalúa las siguientes expresiones algebraicas con la información dada. Recuerda in
Ainat [17]

Answer:

-23.3

Step-by-step explanation:

Given:

a = 3, b = -2, c = 5. 1

Equation;

2a + 3b   - 3c + 4b

Find:

Solution

Computation:

2a + 3b   - 3c + 4b

2(3) + 3(-2)   - 3(5.1) + 4(-2)

6 - 6 - 15.3 - 8

-23.3

​

7 0
2 years ago
01. Apenas uma das matrizes abaixo é, ao mesmo tempo, quadrada, diagonal e identidade. Identifique-a: a[0,1,0,1]. B[1,0,0,1]. C[
ELEN [110]

Responder:

b)

1 0

0 1

Explicação passo a passo:

Das opções fornecidas:

Todas as opções atendem à condição de uma matriz quadrada, pois todas têm o mesmo número de linhas e colunas (2 * 2)

Para ter uma matriz diagonal, todas as entradas fora da diagonal principal serão Zero.

Por outro lado, a matriz de identidade é um tipo especial de matriz quadrada com uma ao longo da diagonal principal.

Indo por essas condições apenas a matriz (b); atende às três condições.

7 0
3 years ago
How do you divide decimals?
olga55 [171]
It's the same as normal division. All you need to do is add the decimal in. Let me show you:

2.5/2
2/2 What's 2 divided by 2? It's <em><u>1</u></em><em><u>.</u></em>
.5/2 What's 5 divided by 2? <u>2.5</u>, right? But since it's .5 (not 5) divided by 2, the decimal goes somewhere else.<em> Since the 5 comes just to the right of the decimal, so will the <u>25</u>. You have </em><em><u>.25</u></em><u>.</u>

<em><u>1 + .25 = 1.25</u><u /></em>. And that's the answer! 2.5/2=1.25. See how I broke it up into pieces? It makes life easier. 
<em>
</em><em>Don't forget to rate this answer the Brainliest!</em>





6 0
3 years ago
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