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ikadub [295]
2 years ago
9

A 7th grade teacher at a local middle school wants to know which

Mathematics
2 answers:
jekas [21]2 years ago
7 0

The answer is Option C) 7th graders in her school.

In order to ascertain the suitability of a candidate for any popular position, his popularity can be assessed by taking a survey of the concerned sample.

Dmitriy789 [7]2 years ago
7 0

Answer:

She should ask the 7th graders in  the school

Step-by-step explanation:

Because their opinion is important in electing the president.

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What is the sum of -12, 5, and -10?<br> 0-27<br> 0-17<br> O 17<br> O 27
Ivanshal [37]

Answer:

The answer is -17

Step-by-step explanation:

Add all the numbers together:

-12-10 is -22

Then -22+5= -17

3 0
1 year ago
Pls answer question 9
aliina [53]
The awnser is number b
4 0
3 years ago
Al abrir su alcancía Beatriz encontró que entre monedas de 5, 10 y 25 centavos completaba $ 9.50. Encontró igualmente que el núm
vladimir2022 [97]

Answer:

67 monedas de 5, 34 de 10 y 11 de 25.

Step-by-step explanation:

Representemos el primer enunciado de manera algebraica:

5x+10y+25z =950  (1)

Donde:

  • x es el numero de monedas de 5
  • y es el numero de monedas de 10
  • z es el numero de monedas de 25

Ahora, el número de monedas de 10 centavos era el triple de las de 25 centavos y que las de 5 centavos era el doble de las de 10 centavos, se puede representar como:

y=3z  (2)              

x=2y  (3)    

     

Combinado las eacuaciones (1), (2) y (3) tenemos:

5(2y)+10y+25(\frac{y}{3}) =950

10y+10y+\frac{25}{3}y =950

\frac{85}{3}y =950  

y =34

Por lo tanto el valor de x y z seran:

x=2(34)          

x=68          

z=11    

Si ponemos cada valor en la equacion (1), tenemos:

5(68)+10(34)+25(11) =955

Como el resultado da 955 hay un excedente de 5 pesos, asi que finalmente tendremos.

x = 67

y = 34

z = 11  

Espero te haya serrvido!

4 0
3 years ago
A positive number is 12 less than it’s square. Find the number
neonofarm [45]

Answer:

4

Step-by-step explanation:

4×4=16 (4 squared)

16-4=12 (4 is 12 less than its suare =16)

4 0
3 years ago
Read 2 more answers
Graph the function y = x3 + 3x2 – x – 3. Which lists all of the turning points of the graph rounded to the nearest whole number?
ddd [48]

Answer:

(–2, 3), (–1, 0), and (0, –3)

Step-by-step explanation:

8 0
3 years ago
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