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MAXImum [283]
2 years ago
6

Parallelogram b=12 cm, h=10 cm, a=

Mathematics
1 answer:
Anna35 [415]2 years ago
5 0
Answer: 120 cm^2

Step-by-Step Explanation:

Base (b) = 12 cm
Height (h) = 10 cm
Area (a) = bh

Therefore,
= bh
= b * h
= 12 * 10
=> 120

Area (a) = 120 cm^2
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andreev551 [17]

Answer:

98% Confidence interval:  (4.144 ,4.498)  

Step-by-step explanation:

We are given the following in the question:

4.751, 4.373, 4.177, 4.676, 4.425, 4.228, 4.125, 4.251, 3.951, 4.192, 4.291, 4.414

Formula:

\text{Standard Deviation} = \sqrt{\displaystyle\frac{\sum (x_i -\bar{x})^2}{n-1}}  

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Mean =\displaystyle\frac{51.854}{12} = 4.321

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s = \sqrt{\dfrac{0.5602}{11}} = 0.226

98% Confidence interval:  

\bar{x} \pm t_{critical}\displaystyle\frac{s}{\sqrt{n}}  

Putting the values, we get,  

t_{critical}\text{ at degree of freedom 11 and}~\alpha_{0.02} = \pm 2.718  

4.321 \pm 2.718(\frac{0.226}{\sqrt{12}} ) = 4.321 \pm 0.1773 = (4.144 ,4.498)  

3 0
4 years ago
Read 2 more answers
Which graph represents the function on the interval [−3, 3] ?
ozzi
Floor(0) -3 = -3 . . . . . only the left-side graphs have this point

floor(0.1) -3 = -3 . . . . only the lower-left graph has this point.

The lower-left selection is appropriate.

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3 years ago
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Answer:

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hope it helps.

7 0
3 years ago
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