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labwork [276]
3 years ago
14

What is the independent and dependent variable?

Physics
2 answers:
krek1111 [17]3 years ago
4 0

Answer:

given in explanation.

Explanation:

Independent variable is one which is controlled or changed by the scientist.

In this question  the variable statement is

Watering the plant with different concentration of salt. Concentration of salt is controlled by the Marty so it is independent.

Dependent variable is one  which is being tested or measured in an scientific experiment.

Marty measuring the sunflower height after the experiment is dependent  variable.

Natasha2012 [34]3 years ago
3 0
The two main variables in an experiment are the independent and dependent variable. An independent variable is the variable that is changed or controlled in a scientific experiment to test the effects on the dependent variable. A dependent variable is the variable being tested and measured in a scientific experiment.
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Describe alternating current and direct current. Include two ways that they are alike and one way that they are different.
ikadub [295]
Here is your answer:

1. A alternating current is a current "is an electric current which periodically reverses direction." A direct current is a "<span>current which flows only in one direction."

2. They are alike because both are "they both are able to travel in different directions." How they are not alike is that a "alternating current travels in a reverse direction but a direct current can only travel in one direction each current."

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5 0
3 years ago
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AVprozaik [17]
The answer you are looking for is Chemistry. Chemistry is the study of matter and molecules and how they change.
5 0
3 years ago
Please please need help on this one
Advocard [28]
I’m guessing it’s the last one, trough
4 0
3 years ago
A submarine sends out a sonar signal (sound waves) in a direction directly downward it take 2.3 s for the sound waves to travel
NISA [10]

Explanation:

Using the formula;

2x = vt

x is the distance up from the ocean floor the submarine is

v is the speed of sound in water

t is the time

Given

t = 2.3s

v = 1490m/s

Required

how high (approx) up from the ocean floor is the submarine x

From the formula;

x = vt/2

x = 1490(2.3)/2

x = 745(2.3)

x = 1,713.5m

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5 0
3 years ago
George created an advertisement for a retail store that sold clothes. He added a discount in the form of a coupon that the custo
likoan [24]

Answer:

The advertisement feature that George can use is a coupon booklet  with the local newspaper for delivery

Explanation:

George focus on promotion rather than using the other stores strategy of word-of-mouth. Different types of promotion: advertising, public relations, direct selling and sales promotions.A temporary reduction in the price, such as 50% off. Reduction amount  may be a percentage that can be marked on the package.A coupon booklet is inserted into the local newspaper for delivery. Also on checkout  the customer can be given a coupon based on products purchased. The consumer is automatically entered into the contest/event by purchasing the product.

Displays:-

A board on which messages are written in crayon.

Consumers get one sample for free, after their trial and then could decide whether to buy or not

7 0
4 years ago
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