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yanalaym [24]
3 years ago
5

A local university produced a study in which it chose 1000 students to participate. The study asked each student to write down t

he number of hours spent studying in a one week period. Which element of experiment design is known to be a part of this study?
Mathematics
2 answers:
hammer [34]3 years ago
6 0

Answer:

The correct answer is REPLICATION

Step-by-step explanation:

Replication is important for the support of the study. It is when a procedure repeats using the same methods, different subjects and experiments. It also involves the application of the theory of the study in new situations in order to generalize it. Replication assurances the validation and reliable of the results, generalize them

oee [108]3 years ago
4 0

it is REPLICATION !!!!!!!!!!!!!!!      

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Joel is looking at a costs for using a gym. He could pay $50 per month for unlimited use or he could pay $12 per month plus $4 p
just olya [345]

Answer:

10

Step-by-step explanation:

4 x 10 = 40

40 + 12 = 52

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3 years ago
Una persona asegura que su casa tiene forma rectangular y que el perímetro de la misma es de 18 m y que además, su área es de 21
leva [86]

Considerando las fórmulas para el perímetro y el área de un rectángulo, hay que se chega en una <u>eccuación cuadrática sin solución</u>, o sea, las medidas no son posibles y la persona estaba mintiendo.

<h3>¿Cuál es la fórmula para el perímetro y el área de un rectángulo?</h3>

Considerando que las dimensiones son l y w, hay que:

  • El perímetro es: P = 2(l + w).
  • El área es: A = lw.

El <u>perímetro es de 18 m</u>, o sea:

2(l + w) = 18

l + w = 9

l = 9- w.

El <u>área es de 21 m²</u>, o sea:

lw = 21

(9- w)w = 21

-w² + 9 - 21 = 0

w² - 9w + 21 = 0

El discriminante es dado por:

D = 9² - 4 x 1 x 21 = -3.

El discriminante negativo implica que la <u>eccuación cuadrática no tiene solución</u>, o sea, las medidas no son posibles y la persona estaba mintiendo.

Puede-se aprender más a cerca de el perímetro y el área de un rectángulo en brainly.com/question/26475963

#SPJ1

4 0
2 years ago
Find the angle between 0° and 360° that is coterminal with a 443° angle.
Yakvenalex [24]

Answer:

If you rotate an angle 360 degrees around, your final angle will be facing the same direction

Thus, the coterminal angle is 443^\circ-360^\circ=83^\circ

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2 years ago
Find the midpoint of the segment with the following endpoints.<br> (-3,8) and (-8, 2)
Marrrta [24]

Answer:

Coordinates of the midpoint are (-5.5, 5)

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3 years ago
Can we all agree that math is hard??
TEA [102]

Answer:  sometimes

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
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