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3 years ago

How many dimensional is a plane figured?

Mathematics

2 answers:

ludmilkaskok [199]3 years ago

8 0

Answer:

A surface such as a plane or a cylindrical surface or a spherical surface has two dimensions (for example, longitude and latitude are needed to identify a point on the Earth's surface near a sphere)Step-by-step explanation:

posledela3 years ago

8 0

Answer:

Dimensional is a plane figured

Step-by-step explanation:

In mathematics, a plane is a flat, two-dimensional surface that extends infinitely far. A plane is the two-dimensional analogue of a point (zero dimensions), a line (one dimension) and three-dimensional space.

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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

The radius of a circle is 8 feet. What is the area of sector bounded by a 90° arc?

Lera25 [3.4K]

Since 90 degree is 1/4 of a circle, the area will be 1/4 th area of the full circle.

The radius is given by, r = 8 ft, therefore, the area of the full circle is,

$\begin{gathered} A=\pi\times r^2 \\ A=3.14\times8^2=200.96ft^2 \end{gathered}$

Therefore, the area of the sector is,

$A^{\prime}=\frac{1}{4}\times200.96ft^2=50.24ft^2$ $\begin{gathered} A^{\prime}=\frac{\theta}{360}\times\pi\times r^2 \\ \text{ =}\frac{\text{90}}{360}\times\pi\times8^2 \\ \text{ =}\frac{1}{4}\pi\times64=16\pi \end{gathered}$

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2 years ago

What percentage is the fraction equal to? A. 30% B. 20% C. 50% D. 40%

Oksi-84 [34.3K]

Answer:

Step-by-step explanation:

20% is equal to the fraction above

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3 years ago

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Answer:

Step-by-step explanation:

plug in

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48-(-3)

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3 years ago

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Answer:

Step-by-step explanation:

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