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Paraphin [41]
2 years ago
6

Solve the triangle. Round lengths to the nearest tenth and angle measures to the nearest degree.

Mathematics
1 answer:
Solnce55 [7]2 years ago
7 0

Answer: a

Step-by-step explanation:

32+59+89=180

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Nia answered 80% of the 40 questions on a test correctly. How many correct answers did she have?
Step2247 [10]

Nia answered correct answers = 80% of the 40 questions

When we remove % sign from a number, we divide that number by 100

= \frac{80}{100} of 40

=\frac{80}{100} \times 40

Cancelling the two zeroes from numerator and denominator,

= 8 \times 4

= 32.

Total correct answers answered by Nia = 32

3 0
3 years ago
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When a distribution is mound-shaped symmetrical, what is the general relationship among the values of the mean, median, and mode
yuradex [85]

Answer:

The mean, median, and mode are approximately equal.

Step-by-step explanation:

The mean, median, and mode are <em>central tendency measures</em> in a distribution. That is, they are measures that correspond to a value that represents, roughly speaking, "the center" of the data distribution.

In the case of a <em>normal distribution</em>, these measures are located at the same point (i.e., mean = median = mode) and the values for this type of distribution are symmetrically distributed above and below the mean (mean = median = mode).

When a <em>distribution is not symmetrical</em>, we say it is <em>skewed</em>. The skewness is a measure of the <em>asymmetry</em> of the distribution. In this case, <em>the mean, median and mode are not the same</em>, and we have different possibilities as the mentioned in the question: the mean is less than the median and the mode (<em>negative skew</em>), or greater than them (<em>positive skew</em>), or approximately equal than the median but much greater than the mode (a variation of a <em>positive skew</em> case).  

In the case of the normal distribution, the skewness is 0 (zero).

Therefore, in the case of a <em>mound-shaped symmetrical distribution</em>, it resembles the <em>normal distribution</em> and, as a result, it has similar characteristics for the mean, the median, and the mode, that is, <em>they are all approximately equal</em>. So, <em>the </em><em>general</em><em> relationship among the values for these central tendency measures is that they are all approximately equal for mound-shaped symmetrical distributions, </em>considering they have similar characteristics of the <em>normal distribution</em>, which is also a mound-shaped symmetrical distribution (as well as the t-student distribution).

5 0
3 years ago
What is the interior angle of a regular 25 gon
OLga [1]

Answer:

schläfli symbol {50}, t{25}

Coxeter diagram  

Symmetry group Dihedral (D50), order 2×50

Internal angle (degrees) 172.8°

5 more rows

Step-by-step explanation:

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3 years ago
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A group of randomly selected members of The Foodies Food Club were asked to pick their favorite type of food. The bar graph belo
zloy xaker [14]

Answer: The answer is B

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Can someone pls pls pls help me with this ?
Yakvenalex [24]

Answer:

i have

Step-by-step explanation:

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