3 years ago

Which graph shows a triangle and its reflection image across the x-axis?

Mathematics

2 answers:

Sav [38]3 years ago

8 0

What are the options

natita [175]3 years ago

3 0

D is the correct answer

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Data were collected on random specimens of Yellowfin tuna from 1991 and 2010. For the sample of 231 specimens of Yellowfin tuna,

Molodets [167]

Answer:

95% confidence interval: (0.325 ,0.383)

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 231

Sample mean = 0.354 ppm

Sample standard deviation = 0.231 ppm

95% confidence interval:

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

Putting the values, we get,

$t_{critical}\text{ at degree of freedom 4 and}~\alpha_{0.01} = \pm 1.97$

$0.354 \pm 1.97(\dfrac{0.231}{\sqrt{231}} ) = 0.354 \pm 0.029 = (0.325 ,0.383)$

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3 years ago

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Sidana [21]

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Yes. 3x²y and -5x²y are like terms because the variables x and y have the same exponents.

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3 years ago

Find the missing side length

Mashcka [7]

It’s not 3 or 4 so I think 2

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3 years ago

If x = 2, then x second power - 3x -+5

ICE Princess25 [194]

X^2 - 3x + 5
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4 - 6 + 5
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4 years ago

If you sleep 33% of the year, how many months do you spend sleeping?

Oksanka [162]

Answer:

3.96 months

Step-by-step explanation:

12 months in a year

12 * 33%= 3.96 months

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3 years ago