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3 years ago

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:

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

1 + .25 = 1.25. And that's the answer! 2.5/2=1.25. See how I broke it up into pieces? It makes life easier.

Don't forget to rate this answer the Brainliest!

6 0

3 years ago