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snow_tiger [21]
3 years ago
8

Im lost and I don’t understand what’s going on

Mathematics
2 answers:
andrezito [222]3 years ago
6 0
Same sorry I can’t help
dybincka [34]3 years ago
5 0
After this substitute 4.5 in the equation in your photo then check the answer

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En un examen calificado del 0 al 10, 3 personas obtuvieron 5 de nota, 5 personas obtuvieron 4 de nota, y 2 personas obtuvieron 3
Nastasia [14]

Answer:

Media = 4.1

Mediana = 4

Moda = 4

Step-by-step explanation:

3 personas obtuvieron 5 puntos

5 personas obtuvieron 4 puntos

2 personas lograron 3 puntos

a. La media se da como:

Media = suma total de marcas / número de personas

Por lo tanto, la media será:

M = \frac{((3 * 5) + (5 * 4) + (2 * 3)}{10}\\ \\M = \frac{15 + 20 + 6}{10} \\\\M = \frac{41}{10}\\ \\M = 4.1

b. Para obtener la mediana, tenemos que organizar los términos en consecuencia y encontrar el número en el medio.

3, 3, 4, 4, 4, 4, 4, 5, 5, 5

Como no hay un número único en el medio, la mediana es:

(4 + 4) / 2 = 8/2 = 4

c. La moda es el número que aparece más, y eso es 4

8 0
3 years ago
What is the area of the trapezoid?<br> 6 in.<br> 9 in.<br> 17 in.<br> 12 in.<br> square inches
slamgirl [31]

Answer:

Step-by-step explanation:

Hello!

----------

The area in square centimeters is 68.8.

----------

Have a great day!

6 0
3 years ago
A circle has a radius of 18 and a center at (10,-9). Find the equation of the circle.
gulaghasi [49]

Answer:

(x-10)²+(y+9)²= 324.

Step-by-step explanation:

For this question, you will need to substitute these values into the equation of a circle:

(x-h)²+(y-k)²= r²

'h and k' represent the center points, and 'r' represents the radius.

This will result in:

(x-10)²+(y+9)²=324.

4 0
3 years ago
A population of 55 foxes in a wildlife preserve quadruples in size every 11 years. The function y equals 55 times 4 Superscript
Darya [45]

Answer:

Step-by-step explanation:

55*4^(33/11) = 55*4^3 = 55*64 = 3520

8 0
3 years ago
Round your answer to the nearest hundredth.<br> C<br> 5<br> B.<br> 7<br> ?<br> A
astraxan [27]

Answer:

If C is 5 and B is 7 the a is 9

7 0
3 years ago
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