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JulsSmile [24]
2 years ago
12

Please help me asap...this is like a test

Mathematics
1 answer:
7nadin3 [17]2 years ago
7 0

Answer:

C.

Step-by-step explanation:

maths

22%

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en un colegio mixto hay x estudiantes distribuidos en c cursos. Si hay m niños por curso, ¿Cuantas niñas hay en el colegio?
Tomtit [17]

La ecuación que nos dice cuantas niñas hay en el colegio es:

A = x - c*m

¿Como encontrar una expresión para la cantidad de niñas?

Sabemos que hay un total de x estudiantes, definimos las variables:

  • A = cantidad total de niñas
  • B = cantidad total de niños.

Entonces tenemos A + B = x

Tambien sabemos que los estudiantes estan divididos en c cursos, de tal forma que hay m niños por curso.

Entonces c por m es igual a la cantidad total de niños:

c*m = B

Reemplazando esto en la ecuación de arriba podemos obtener:

A + c*m = x

A = x - c*m

Esta es la ecuación que nos da el numero total de niñas en el colegio.

Sí quieres aprender más sobre ecuaciones, puedes leer:

brainly.com/question/18168483

4 0
2 years ago
The student council made a profit of $3,000 on a car wash. If they invest the money at 5% interest
zzz [600]

Answer:

560000

Step-by-step explanation:

As the profit is 3000 on car wash

And there is 5 percent interest

As the 5ser of 3000 is 559995

So the 4 years add to 559995

Equals 560000

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<em><u>CAT</u></em>

5 0
3 years ago
Need this for my teacher
ra1l [238]
I believe you combine the first and last terms first because they have the same denominator
4 0
2 years ago
Read 2 more answers
What Is the area of the shaded part???​
Aloiza [94]

Answer: The area of the shaded region is 27.74 centimeters squared

Step-by-step explanation: The diagram shows a two-in-one figure, a circle inscribed in a rectangle. The shaded region is the part of the rectangle not covered by the circle, hence we would have to subtract the area of the circle from that of the rectangle.

Area of Rectangle = L x W

Area of rectangle = 8 x 7

Area of rectangle = 56

Also,

Area of circle = Pi x r^2

Area of circle = 3.14 x 3^2

Area of circle = 3.14 x 9

Area of circle = 28.26

Area of shaded region is given as area of rectangle minus area of circle

Therefore, shaded region = 56 - 28.26

Area of shaded region = 27.74 centimeters squared

3 0
3 years ago
50 points the question is in the picture.
Oksanka [162]

Answer:

Every minute the coffee cooled down 2 degrees F every minute  

Step-by-step explanation:

so i took 2 to see how many times it went into 22 then i took 54 and went 2 degrees for each minute.

8 0
2 years ago
Read 2 more answers
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