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kotykmax [81]
3 years ago
15

Help pls! this is due tonight. thanks!

Mathematics
2 answers:
erma4kov [3.2K]3 years ago
6 0

Answer:

Neon: 0

Oxide:  -2

Copper:   2

Tin:  0

Step-by-step explanation:     To solve you must add/subtract the numbers to get the charge, for example if its -30 charge from electrons and 10 charge from protons, -30 + 10 = -20     therefore the charge is -20

Eva8 [605]3 years ago
3 0

Answer: 0,-2,2,0

Step-by-step explanation:

Add the numbers together and you get the answers.

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Suppose you are driving 60 miles per hour. what is your rate of speed in miles per minute?
Verdich [7]

So if it is 60 miles per hour it is basically 60 miles per 60 minutes. \frac{60}{60} when you simplify it, it is going to be 1/1=1 The answer is 1 mile per minute

6 0
3 years ago
Read 2 more answers
Given the system of equations:
uranmaximum [27]

Answer:

x=4

y=2

Step-by-step explanation:

2x+2y=12

x−y=2

​In order to solve by elimination, coefficients of one of the variables must be the same in both equations so that the variable will cancel out when one equation is subtracted from the other.

2x+2y=12,x−y=2

To make 2x and x equal, multiply all terms on each side of the first equation by 1 and all terms on each side of the second by 2.

2x+2y=12,2x+2(−1)y=2×2

Simplify.

2x+2y=12,2x−2y=4

Subtract 2x−2y=4 from 2x+2y=12 by subtracting like terms on each side of the equal sign.

2x−2x+2y+2y=12−4

Add 2x to −2x. Terms 2x and −2x cancel out, leaving an equation with only one variable that can be solved.

2y+2y=12−4

Add 2y to 2y.

4y=12−4

Add 12 to −4.

4y=8

Divide both sides by 4.

y=2

Substitute 2 for y in x−y=2. Because the resulting equation contains only one variable, you can solve for x directly.

x−2=2

Add 2 to both sides of the equation.

x=4

The system is now solved.

x=4,y=2

Correct choice is B) x=4.

8 0
2 years ago
Read 2 more answers
Which fraction is close to, but less than 1/2?
qwelly [4]

Answer:

1/9, 2/9, 3/9, 4/9, 1/8, 2/8, 3/8, 1/7, 2/7, 3/7, 1/6, 2/6, 1/5, 2/5, 1/4, 1/3.

Step-by-step explanation:

hope this helps,

8 0
3 years ago
I need help right now this due today(you have been in this situation).
Free_Kalibri [48]

Answer:

7.62

Step-by-step explanation:

We can draw another point at (-3, -4) named C to get a right-angled triangle.

AC = 2 (by counting)

BC = 7 (by counting)

Using Pythagoras Theorem,

AC^{2} +BC^{2} =AB^{2}

2^2+7^2=AB^2

4+49=AB^2

AB^2=58

AB=\sqrt{58} = 7.62 (nearest hundredth)

8 0
3 years ago
20c - 8d? need help kinda hard
lutik1710 [3]

Answer:

the answer is 4(5c-2d)

8 0
3 years ago
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