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Blababa [14]
3 years ago
10

In testing the effectiveness of an energy drink on the performance of athletes, 50 athletes were given water and 50 athletes

Mathematics
1 answer:
Aneli [31]3 years ago
3 0

The correct answer is C; Dependent variable.

Further explanation:

Researchers are very interested in the dependent variable. This variable is what is being tested and measured during the research in progress. In this case, it is the new energy drink.

The researchers are looking for an effect to occur while changing the independent variable of the case study. There are three main different types of variables used in research studies, they are;

  1. Independent
  2. Dependent
  3. Control

With the athletes doing exercises after consuming the test product, they are seeing if the product does give more energy than if they hadn't of consumed the energy drink.

Learn more about dependent variables at brainly.com/question/383055

#LearnwithBrainly

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Will give brainliest!!!!!!!!!!!!!!!
Sati [7]
Perpendicular: slope is -3/2

Based on this I would already know the answer is A.
3 0
2 years ago
What are the x and y intercepts of this problem y=-3/8x-9
likoan [24]

Answer:

y=-3/8.0-9 y=1/3 y intercept and for the x intercept is zero

Step-by-step explanation:

3 0
3 years ago
Answer A and B. I will give a brainliest to the best answer.
maksim [4K]

Answer:

a) 70 degrees

b) 110 degrees

Step-by-step explanation:

Freezing point of water is 32 degrees.

Boiling point of water is 212 degrees.

Hope this helped :)

7 0
2 years ago
ANY SMART PPL OUT THERE? (question about perimeter)
N76 [4]

Answer:

your answers are:

P= 2(l+w) units

P= 2(5)+2(9) units

P=(l+l)+(w+w) units

Step-by-step explanation:

each of these answers portray L two times for each side and W two times for each side which will give you your perimeter.

7 0
3 years ago
During the financial crisis of 2008, the price of a barrel of Brent crude oil fell a high of $140 per barrel to around $50 per b
Andrei [34K]

Answer:

  decrease of 64.3%

Step-by-step explanation:

Percentage change can be calculated from ...

  pct change = ((new value)/(original value) -1) × 100%

  = (50/140 -1) × 100%

  = (-9/14)×100% = -64 2/7% ≈ -64.3%

The price of crude fell about 64.3% in that period.

7 0
3 years ago
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