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SSSSS [86.1K]
3 years ago
8

Will give BRAINEST to the person who answers right

Physics
2 answers:
STatiana [176]3 years ago
6 0
R(x)=15x
c(x)=7x+20

So it is r(x)-c(x)
15x-(7x+20)

Distribute the minus sign making the new equations
15x-7x-20
COMBINE LIKE TERMS
Answer is:
8x-20 which is C
Nookie1986 [14]3 years ago
3 0
The answer of this question is B. 22x + 20
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Which object represents a negatively charged particle? which object represents a positively charged molecule? which object repre
kari74 [83]

The answers to your questions are as written below:

  • The objects that represents a negatively charged particle is : Image B
  • The object that represents a positively charged molecule is : Image A
  • The object that represents an uncharged molecule is : Image C
  • The object the will not move when in an electric fied is : Image C

<h3>Different types of charges molecules</h3>

A negatively charged molecule move inwards when placed in an electric field while positively charged molecule placed in a electric field will move outwards the electric field.

A neutral/uncharged molecule will remains still when placd in an elctric field due to the absence of charges.

Hence we can concude that the answers to your questions are as listed above.

Learn more about electric charges :brainly.com/question/857179

#SPJ4

attached below is the missing image

8 0
2 years ago
In this case, lithium would be classified as a(n)
Black_prince [1.1K]

Lithium is to be considered as an ION

Atom is defined as its natural state where it will have all its electrons present in its shell

Since in this case Lithium is giving its electron so after giving the electron it will become an ion

Compound is the combination of two or more different atoms

Molecules is the combination of same type of atoms

So here answer must be

<em>C) ion</em>

5 0
3 years ago
Read 2 more answers
1. What is the name given to the total possibility of sound frequencies
exis [7]

Explanation:

1. The entire span of possible sound waves is called the acoustic spectrum. It is subdivided into infrasonic sounds, audible sounds, and ultrasonic sounds.

2. The difference between a musical note and another note at twice the frequency is called an octave.

3. Sound intensity varies with the inverse square of distance.

4 0
2 years ago
Question 2 (1 point)
eduard

Answer: Blake may have a decreased chance of disease.

Explanation:

Research has shown that on average, a person who engages in more physical activity will live longer than a person who does not with one reason for this being that engaging in physical activity helps reduce the risk of diseases such as; heart disease, diabetes, and many forms of cancer.

Obesity (risk factor) and high blood pressure are also reduced by engaging in physical activity.

6 0
3 years ago
What are the 2 types of crystallization ?
irinina [24]

Answer:

evaporative crystallization

cooling crystallization from solution or the melt

5 0
2 years ago
Read 2 more answers
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