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Nonamiya [84]
3 years ago
14

Hiro rubs an inflated balloon on his hair, and his hair sticks to the balloon. As he moves the balloon away from his head, how d

oes the electric force change
Mathematics
2 answers:
Ira Lisetskai [31]3 years ago
5 0
There is a transfer of electrons between the surface that came into contact.In this case, when balloon is rubbed onto your hair, electrons from the balloon transfer to your hair. When the surfaces are separated they try to maintain neutral charge by transferring the excess electron from the hair to the balloon. 
postnew [5]3 years ago
4 0

Answer: option C- the electric force decreases because the distance increases

Step-by-step explanation:

Hope helps took test :)

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Solve the polynomial inequation and graph the solution set on a number line. Express the solution in interval notation.
kirill [66]
Solving a polynomial inequation

Solving the following inequation:

(x - 8) (x + 1) > 0

We are going to find the sign both parts of the multiplication,

(x - 8) and (x + 1), have when

x < - 8

-8 < x < 1

1 < x

Then we know (x - 8) (x + 1) > 0 whenever (x - 8) (x + 1) is positive

We can see in the figure (x - 8) (x + 1) is positive when x < -8 and x > 1

Then

Answer:B

5 0
1 year ago
40 is what percent of 32?
Daniel [21]

Answer:

125%

Step-by-step explanation:

Is means equals and of means multiply

40 = P * 32  where P is in decimal form

Divide each side by 32

40/32 = P

1.25 = P

Now change to percent form ( multiply by 100)

125%

7 0
3 years ago
Read 2 more answers
Answer these 4 questions for brainliest! :)
Verdich [7]

Answer: 1. X+2

2. 6x-3

3. -2x-1

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Step-by-step explanation:

1. X+4-3+1 There is only one variable, so you don’t need to worry about that. Just do all of the numerical operations. 4-3+1= 2. So it would be x+2

2. X-5+5x+2. Again, do the numerical operations first. -5+2=-3. X+5x=6x. So it would be 6x-3.

3. 2x+7-4x-8. 7-8=-1. 2x-4x=-2x. So it would be -2x-1.

4. (4+3)x+2x-5. Do the operation in the parenthesis first. Then it would be (7)x or just 7x+2x-5. Simplify to 9x-5.

4 0
3 years ago
Mr.chan made 252 cookies for the annual fifth grade class bake sale . they sold 3/4 of them and 3/9 of the remaining cookies wer
Eva8 [605]
So, personally I would take 252 and divide it by 4. this will give you 63 which is 1/4 of the cookies. Then add that 63 three times to get a total of 189 cookies which would be your 3/4 sold. so since there is only 63 cookies left then you would go into your final problem. 3/9 is equal to 1/3, so all you would do is divide 63 by 3 and get a total of 21 cookies given to the pta.
5 0
3 years ago
What is the mean absolute deviation of the data set?<br><br> {21, 22, 24, 26, 27, 28, 20, 30}
kodGreya [7K]
What you have to do is get quarterly 1 and quarterly 3 and subtract them and you will get the answer 48-46=2, Hope this helps! ;D
7 0
3 years ago
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