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3 years ago

Why the neutron has no charge?

2 answers:

8 0

Every piece of an atom has huge importance to the way the atom acts and behaves. Neutrons are no exception. So, if an atom has equal numbers of electrons and protons, the charges cancel each other out and the atom has a neutral charge. That neutral charge is the neutron.

I HOPE THIS HELPS!! :)

BigorU [14]3 years ago

7 0

BECAUSE OF THE CHARGE THAT MAKES IT

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collen plans to print x pictures from her camara at a drug store. the expression $0.2x represents the cost of developing the pic

lutik1710 [3]

Answer:

$7.50

Step-by-step explanation:

If she is not a member:

to print 350 pictures, she will pay 0.2 * 350 = $70

If she IS a member:

to print 350 pictures, she will pay 0.15(350) + 10 = $62.5

THus, the amount she saves is 70 - 62.5 = $7.50

4 0

3 years ago

Read 2 more answers

Let f(x) = xe^-x+ ce^-x, where c is a positive constant. For what positive value of c does f have an absolute

Illusion [34]

Answer:

$c=6$

Step-by-step explanation:

The absolute maximum of a continuous function $f(x)$ is where $f'(x)=0$ . Therefore, we must differentiate the function and then set $x=-5$ and $f'(x)=0$ to determine the value of $c$ :

$f(x)=xe^{-x}+ce^{-x}$

$f'(x)=-xe^{-x}+e^{-x}-ce^{-x}$

$0=-(-5)e^{-(-5)}+e^{-(-5)}-ce^{-(-5)}$

$0=5e^{5}+e^{5}-ce^{5}$

$0=e^5(5+1-c)$

$0=6-c$

$c=6$

Therefore, when $c=6$ , the absolute maximum of the function is $x=-5$ .

I've attached a graph to help you visually see this.

7 0

2 years ago

Three consecutive integers have a sum of 56. what are the three integers

denis23 [38]

Answer:

impossible

Step-by-step explanation:

X + X + 1 + X + 2 = 56. To solve for X, you first add the integers together and the X variables together. Then you subtract 3 from each side, followed by dividing by 3 on each side. ...

3X + 3 = 56. 3X + 3 - 3 = 56 - 3.

3X = 53. 3X/3 = 53/3.

X = 17 2/3. Since 17 2/3 is not an integer, there is no true answer to this problem.

8 0

3 years ago

At present the sum of Monica's age and daughter's age is 44 years. . After 2 years Monica's age will be three times that if her

sergeinik [125]

Answer:

Monica's age = 34 years

Her daughter's age = 10 years

Step-by-step explanation:

Let Monica's age = x

Let her daughter'sage = y

x + y = 44 -------> equ 1

After 2 years:

Monica's age = x + 2

Her daughter's age = y + 2

x + 2 = 3 * (y+2)

x + 2 = 3y + 6

x = 3y + 6 -2

x = 3y + 4

Put x value in equ 1:

3y + 4 + y = 44

4y = 44 - 4

4y = 40

y = 40/4

y = 10

x = 44 -10

x = 34

7 0

3 years ago

Read 2 more answers

A circle has radius 50 cm. Which number would be close to the area

ale4655 [162]

Answer:

look do is gone eat

Step-by-step explanation:

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3 years ago