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Marizza181 [45]
3 years ago
12

What is the independent variable in this investigation and what is the dependent variable in this investigation and how do you g

raph it

Chemistry
1 answer:
zysi [14]3 years ago
3 0
Length of the pendulum is the independent variable
Number of back and forth cycles in 15 secs is the dependent variable
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Hello Olivia!!! 

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3 years ago
A physical change _____ change the composition or identity of the substance. will will not 2. An example of a physical change is
Sav [38]

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not sure

Explanation:

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6 0
3 years ago
1. Express in conventional notation (no exponents) in the space provided within the
mina [271]

Answer:

a) 320: two significant figures.

b) 2,366: four significant figures.

c) 73.0: three significant figures.

d. 532.5: four significant figures.

Explanation:

Hello there!

In this case, according to the given information, it turns out possible for us to write each number by knowing we move the decimal places to the right as much as the exponent is, and also, we count every figure, even zeros, because they are to the right of the first nonzero digit:

a) 320: two significant figures because the rightmost zero is not preceded o followed by a decimal place.

b) 2,366: four significant figures.

c) 73.0: three significant figures, because the zero is followed by the decimal place.

d. 532.5: four significant figures.

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3 years ago
An air conditioning unit turns off once it reaches its goal temperature. The house warms up and the air conditioning unit turns
-Dominant- [34]

Answer:

D ) feedback

Explanation:

When we use an air conditioner, it get turn off when reaches its required temperature and when the house warm up the air conditioning unit turns on again, that is an example of feedback.

The given condition is an example of negative feedback because in negative feedback, any change in the input is opposed by generating an output. Here also,  warming up of house (change in one direction) allows the air conditioning unit turns  on and it gives cool air (opposing that change).

Hence, the correct option is "D".

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3 years ago
Please help me with this chemistry
Elena-2011 [213]

Answer: gasoline, water, sea water, chloroform and mercury so B

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2 years ago
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