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nadya68 [22]
4 years ago
8

What is the difference between experimental and nonexperimental methods of study? Nonexperimental methods involve operational de

finitions, whereas experimental methods are simple observations. Nonexperimental methods result in definite results, whereas experimental methods simply give a broad perspective of the variables under study. Experimental methods have random variables, whereas nonexperimental methods have manipulated variables. Experimental methods involve the manipulation and control of variables, whereas nonexperimental methods require simple observation of the variables.
Mathematics
1 answer:
Anon25 [30]4 years ago
3 0

Experimental methods involve the manipulation and control of variables, whereas non experimental methods require simple observation of the variables.

Answer: Option D.

<u>Explanation:</u>

Non-experimental research about doesn't mean nonscientific. Non-experimental investigate implies there is an indicator variable or gathering of subjects that can't be controlled by the experimenter. Test plan, then again, takes into consideration specialists to control the indicator variable and subjects.

Non experimental research falls into three broad categories: single-variable research, correlational and quasi-experimental research, and qualitative research.

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You are riding along a straight river from east to the west at speed of 160m/m. At a given time, you will see the bearing of a c
yuradex [85]

Using the given information, the width of the river is 505.96 m

<h3>Bearing and Distances</h3>

From the question, we are to determine the width of the river

Consider the given diagram,

Let F be the first position of the biker

S be the second position

and C be the position of the church

First, we will determine the distance covered from F to S

Speed = 160m/min

Time = 4 minutes

Using the formula,

Distance = Speed × Time

Distance covered = 160 × 4

Distance covered = 640 m

That is, /FS/ = 640 m

Now, consider ΔFSC

∠F = 90° - 70° = 20°

∠S = 90° + 56° = 146°

and ∠C = 180° - 20° - 146° = 14°

By the Law of Sines

\frac{/FC/}{sin\ S}= \frac{/FS/}{sin\ C}

∴ \frac{/FC/}{sin\ 146^\circ}= \frac{640}{sin\ 14^\circ}

/FC/ =\frac{640 \times sin \ 146^\circ}{sin \ 14^\circ}

/FC/ = 1479.33 m

Now,

By SOH CAH TOA

cos \ 70^\circ = \frac{d}{/FC/}

NOTE: d is the width of the river

∴ d = /FC/ × cos70°

d = 1479.33 × cos70°

d = 505.96 m

Hence, the width of the river is 505.96 m

Learn more on Bearing and distances here: brainly.com/question/19351991

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7 0
2 years ago
Help pleaseee!!!!!!!
Crank

Answer:

1. 180

2. 300

3. 480

Step-by-step explanation:

1. Since 30% of 600 (or 0.3 * 600) = 180, the 1st blank is 180.

2. 50% of 600 (also easy to just think of one half {1/2}) = 300

3. Because 180 + 300 = 480

hope this helps:)

4 0
2 years ago
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Answer:

The first two options (There are infinite solutions, each solution is negative)

Step-by-step explanation:

They can't be positive and no range is specified

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3 years ago
Find the factors of 60​
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Answer:

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