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kipiarov [429]
2 years ago
5

A proton has a charge of +1, while an electron has a charge of -1.

Mathematics
1 answer:
Veronika [31]2 years ago
3 0

Answer:

79 electrons

Step-by-step explanation:

If it has 79 protons it will have a total proton charge of 79 so tho make the charge zero we need to add (79) electrons .Mathematically (1*79)+(-1*79)=0

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The ratio of boys to girls in a class is 3:1. There are 36 students in the class. How many more boys than girls are there?
Ainat [17]

well, if you add the numbers 3+1 you get 4. from this we know that there are 4 units total. 36÷4=9 so each unit is equal to 9. we can multiply 9•3 to get 27. there are 27 boys. we can multiply 9•1 to get 9 girls. subtracting 9 from 27, we get 18 more boys that girls.

4 0
3 years ago
Read 2 more answers
Please Help!!!<br><br> What is the value of g(−3) when g(x)=2x−2?<br><br> g(−3)= ________
musickatia [10]
G(-3) = 2x - 2      Plug in -3 for x
        = 2(-3) - 2   Multiply
        = -6 - 2       Subtract
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3 0
3 years ago
A rectangle has a length of 28 feet less than 6 times its width. if the area of the rectangle is 98 square feet, find the length
FrozenT [24]

Answer:

w = 18 is the solution

The equation for this problem is 6w - 28 + w = 98

w stands for width

Step-by-step explanation:

7x - 28 = 98 Collect like terms

7w = 98 +28 Move the constant to the right hand side and change its sign

7w = 126 Add the numbers

w = 18 Divide both sides of the equation by 7

<h3 />
8 0
3 years ago
For a given pair of points, find the equation of the line y=mx+b that goes through the points by solving a system of linear equa
rjkz [21]

Answer:

y = 2x - 3

Step-by-step explanation:

the formula for finding equation of a line is m = (y2 - y1 )/(x2 - x1). that is (7-3)/(5-3) which gives you 4/2 = 2.

you then chose one of the point and fill in the equation y - y1 = m (x -x1)

So let's chose (3,3) and fill in.

y - 3 = 2 (x - 3)

y - 3 = 2x - 6

y - 2x = -6 + 3

y - 2x = -3

Hence, the equation of the line is y = 2x - 3

3 0
3 years ago
At a local carnival, Mia is shooting at a row of 10 duck targets. Each time she shoots at a duck, the duck she shoots and any du
zubka84 [21]

Using the combination formula, it is found that she can shoot the ducks in 120 ways.

<h3>What is the combination formula?</h3>

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by:

C_{n,x} = \frac{n!}{x!(n-x)!}

In this problem, 3 ducks will be shoot from a set of 10, hence:

C_{10,3} = \frac{10!}{3!(10-3)!} = 120

Thus, she can shoot the ducks in 120 ways.

More can be learned about the combination formula at brainly.com/question/25821700

4 0
2 years ago
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