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vodka [1.7K]
2 years ago
6

I forgot this within 2 seconds ;-;

Mathematics
1 answer:
Tresset [83]2 years ago
3 0

Answer:

12÷4+13>2+22÷2

Step-by-step explanation:

12÷4=3+13=16

2+22=24÷2=12

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A physical therapy student is adding up the cost of books for the first three semesters of school. The first semester he spent $
Vitek1552 [10]

Answer:

Im not sure but i think 1535

Step-by-step explanation:

3 0
3 years ago
Which 2 shapes on the quadrilateral hierarchy are directly under the trapezoid?
erastovalidia [21]

The shapes that are under the trapezoid in the quadrilateral hierarchy are parallelogram and isosceles trapezoid.

<h3>What is a quadrilateral?</h3>

A quadrilateral is a polygon that has four sides and four angles. Types of quadrilateral are<em> kite, square, parallelogram</em> and so on.

The shapes that are under the trapezoid in the quadrilateral hierarchy are parallelogram and isosceles trapezoid.

Find out more on quadrilateral at: brainly.com/question/23935806

#SPJ1

5 0
2 years ago
a bag holds 5 kg of flour if 4/9 of flour is used to make bread what percentage of the flower remains​
Alika [10]

Answer:

55.5%

Step-by-step explanation:

5/9 is remaining so 5/9 in percentage is 55.5(reoccuring)%

4 0
3 years ago
Unos tambores, con una etiqueta de 30 L, son llenados con una solución proveniente de una tina grande. Se agrega una cantidad al
Vladimir [108]

A) La probabilidad de que la cantidad total de la solución contenida en 50 tambores sea mayor a 1 500 L es del 50%.

B) La probabilidad de que puedan llenarse 80 tambores sin que se acabe la solución es del 75%.

C) La tina debe contener 2160 litros para que la probabilidad sea 0,9 de que puedan llenarse 80 tambores sin que se acabe la solución.

<h3><u>Desviación estándar</u></h3>

Dado que unos tambores, con una etiqueta de 30 L, son llenados con una solución proveniente de una tina grande, y se agrega una cantidad aleatoriamente de la solución en cada tambor con media de 30.01 L y desviación estándar de 0.1 L, para determinar A) ¿Cuál es la probabilidad de que la cantidad total de la solución contenida en 50 tambores sea mayor a 1 500 L?; B) Si la cantidad total de la solución en la tina es de 2 401 L, ¿cuál es la probabilidad de que puedan llenarse 80 tambores sin que se acabe la solución?; y C) ¿Cuánta solución debe contener la tina para que la probabilidad sea 0,9 de que puedan llenarse 80 tambores sin que se acabe la solución?, se deben realizar los siguientes cálculos:

A)

  • 30.01 - 0.1 = 2.91
  • 30.01 + 0.1 = 3.11
  • 3.11 - 2.91 = 20
  • 3.11 - 3.01 = 10
  • 10 / 20 = 0.5
  • 0.50 = X

B)

  • 2401 / 30.01 = X
  • 79.76 = X
  • 2401 / 30 = X
  • 80 = X
  • (100 + 50) / 2 = 75

C)

  • (80 x 30) x 0.9 = X
  • 2400 x 0.9 = X
  • 2160 = X

Aprende más sobre desviación estándar en brainly.com/question/12402189

3 0
3 years ago
If a point is randomly chosen on the square shown, what is the probability that it will be in the red section?
guapka [62]
<h3>Answer:  A) 1/4</h3>

Explanation: There are four equal sections, one of which is red. So the probability of landing in the red space is 1/4.

7 0
3 years ago
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