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3 years ago

Give examples of how scientist use repeated trials and replication in conducting experiments.

1 answer:

5 0

WELL FIRST : Scientific inquiry is a multifaceted activity......like the processes of science include the formulation of scientifically investigable questions, construction of investigations into those questions, the collection of appropriate data, the evaluation of the meaning of those data, and the communication of this evaluation.

SECOND: Scientific knowledge is based on observation and inference........ it is super duper important to recognize that these are very different things. Not only does science require creativity in its methods and processes, but also in its questions and explanations.

But ya lolz.....hope this helps.....maybe? :D

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In euclidean geometry a triangle can have at most two 90 degrees true or false and why?

Goshia [24]

False, all triangles have 180 degrees and 3 angles, if you have 2 angles that are 90 degrees it will not be a triangle because there will be no room for another angle.

WARNING: If you meant at most two 90 degrees meaning all angles add up to 180 than the answer is yes.

6 0

3 years ago

An aircraft is climbing at a 30 degree angle to the horizontal. How fast is the aircraft gaining altitude if it's speed is 500 m

denis-greek [22]

Answer:

The aircraft is gaining altitude at $250\frac{mi}{h}$

Explanation:

Draw a vector diagram. (Right angle triangle speed as the hypotenuse)

Let

x -----> horizontal component of the speed

y ----> vertical component of the speed

s ----> speed in miles per hour

we know that

$x=cos(30\°)(s)$

$y=sin(30\°)(s)$

we have

$s=500\ \frac{mi}{h}$

$cos(30\°)=\frac{\sqrt{3}}{2}$

$sin(30\°)=\frac{1}{2}$

substitute

$x=\frac{\sqrt{3}}{2}(500)$

$x=250\sqrt{3}\frac{mi}{h}$

$y=\frac{1}{2}(500)$

$y=250\frac{mi}{h}$

therefore

The aircraft is gaining altitude at $250\frac{mi}{h}$

7 0

3 years ago

What is the difference between psychoanalysis and psychophysics?

Katarina [22]

Answer:

D) both B and C

Explanation:

Psychoanalysis is a school of psychology founded by Sigmund Freud in the late 19th and early 20th centuries. It is a way to resolve conflict in a subject through free association or dreams and failed actions in a person's life.

Psychophysics is a discipline that studies the physical stimuli and the sensations that those stimuli produce. It was started by Weber and Fechner and was primarily been concerned with quantifying sensations. The form used here later found a bedrock for behavioral psychology.

3 0

3 years ago

Dre works as an executive in a large corporation. He believes he is much more ethical and competent than the other executives in

sineoko [7]

Self-Serving Bias is any time the perception of reality is distorted to aid in the creation or enhancement of self-esteem and the tendency to view oneself in a positive manner. This is the effect that Dre is illstrating.

5 0

2 years ago

____ sounds are anything that stand for an idea A. Sounds B. Symbols C. Feelings

Ksenya-84 [330]

Answer:

k Nishant

Explanation:

the correct answer is option C feelings

6 0

2 years ago

Read 2 more answers