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Allisa [31]
3 years ago
10

Why does an investigator change the value of a variable parameter during an investigation?

Mathematics
2 answers:
adelina 88 [10]3 years ago
5 0
An investigator doesn't change the value of a  variable parameter because it changes by itself since a variable parameter is factors that change or vary throughout the experiment. Hope this answers the question. Have a nice day. Feel free to ask more questions.
belka [17]3 years ago
5 0

Answer: Hi!

Usually you have two types of variables, the independents (parameters that you can change and modify, such as the time you left a potato in a hot oven) And dependent variables ( such as the temperature of said potato when you took it out of the oven).

The parameters in a investigation are independent variables, and you want to change them to see how the changes impact in the dependent variables, in order to describe these changes.

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If 500 people were surveyed, how many chose English as their favorite subject?
alexira [117]

Answer:

I think the first questions answer is 30 people. And the second questions answer is 75

Step-by-step explanation:

To determine how many students voted for Math, you must remove the votes from the 195 students that have been counted, from the total 270 who voted. So, 270 − 195 = 75 students voted for Math as their favorite subject.

For the first question I just found out what 6% of 500 is.

8 0
4 years ago
Read 2 more answers
A right rectangular prism is 5 and 1/4 inches wide 12 and 1/2 inches long and 4 inches tall what is the volume of the prism
Goryan [66]

Answer:

29 in ^3

Step-by-step explanation:

6 sides

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12 x 1/2 x 4 = 4 longer sides

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12 x 1/2 = 6

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5 x 1/4 = 1.25

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29 in ^3

8 0
3 years ago
If the Nutrition Facts panel on a food label indicates that a food has 24 g of total carbohydrates, 2 g of fiber and 12 g of sug
Ann [662]

Answer:

Option a is correct.

Step-by-step explanation:

Since both fiber and sugar are types of carbohydrates and it is given that a portion of food has 24 gm of total carbohydrate and within which 2 gm of fiber and 12 gm of sugar.

Therefore, this food contains 2 g of fiber, 12 g of sugars, and 10 g of other unnamed carbohydrates, for a total of 24 g.  

Hence, option (a) is correct. (Answer)

5 0
4 years ago
sergio must ride 7.5 miles in 1/4 hour to achieve this target speed, so he needs to ride an additional ____ mile per 1/4 hour
12345 [234]

Answer: 7.0

Step-by-step explanation:

sergio must ride 7.5 miles in 1/4 hour to achieve this target speed so  he needs to ride  an addititonal 9.8 mile per1/4 hour

6 0
3 years ago
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Eight trials are simulated. The results are shown in the table.
Colt1911 [192]

Answer:

3.33

Step-by-step explanation:

I just took the test! :D

7 0
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