which statement about protons is true?

a. protons have a negative charge.

b. protons have a positive charge.

c. protons have no charge.

D

Explanation:

By naming the destruction of bridges, houses, and roads, the text specifies what types of infrastructures can be destroyed by storms. Only saying that weather is damaging does perhaps conjure up images of flooded streets and toppled trees, but it does not make a direct enough reference to the costly impact of strong storms.

It is much more precise to name expensive losses associated directly with the flooding, landslides and wind gusts generated by the tropical storms.

answer:

1: b) buildings, bridges, and roads

2: c) it shows a sign that indicates danger ahead.

3: d) it names specific elements of the nation’s infrastructure that were harmed.

4: b) to inform readers about an important historical and political event

5: d) the writer approves of nations using alternative energy sources because it limit greenhouse gas emissions.

these are my answer, i hope they you: d

7

Step-by-step explanation:

Remark

Exterior angles of a convex figure all add up to 360o. So the 4 angles on the exterior add up to 360o

Equation

12x + 37 + 12x - 2 + 20x - 29 + 46 = 360 Collect like terms on the left.

Solution

"x"s: 12x + 12x + 20x = 44x

numbers: 37 - 2 - 29 + 46 = 52

Combine

44x + 52 = 360 Subtract 52 from both sides

44x + 52 - 52 = 360 - 52 Do the subtraction

44x = 308 Divide by 44

44x/44 = 308/44 Do the division

x = 7 Answer

15, 10

Step-by-step explanation:

Original equation: 3, 2 so u need to find the equivalent equation

<A = 124

Step-by-step explanation:

Remark

This figure has 7 angles. Therefore it can have 5 lines drawn from 1 vertex to all the other vertexes. That gives you 5 triangles. See the diagram below to see the result of what I have just described. The sum total of all the interior angles is 5 * 180 = 900

Equation

Add the seven given angles from your figure to equal 900

(9x - 2) + (10x + 2) + 165 + 100 + (5x + 83) + (12x + 18) + 138 = 900

Solution

Now add all the like terms on the left together.

Terms Containing "x"s: 9x + 10x + 5x +12x = 36xTerms not containing "x"s: -2 + 2 + 165 + 100 + 83 + 18+ 138 = 504So this simplifies to

36x + 504 = 900 Subtract 504 from both sides

36x + 504 - 504 = 900 - 503 Do the subtraction

36x = 396 Divide by 36 on both sides

x = 396/36 Do the division

x = 14

Answer

But you want angle A.

<A = 9x - 2 = 9*14 - 2 = 126 - 2 = 124

<A = 124

Step-by-step explanation:

Remark

This figure has 7 angles. Therefore it can have 5 lines drawn from 1 vertex to all the other vertexes. That gives you 5 triangles. See the diagram below to see the result of what I have just described. The sum total of all the interior angles is 5 * 180 = 900

Equation

Add the seven given angles from your figure to equal 900

(9x - 2) + (10x + 2) + 165 + 100 + (5x + 83) + (12x + 18) + 138 = 900

Solution

Now add all the like terms on the left together.

Terms Containing "x"s: 9x + 10x + 5x +12x = 36xTerms not containing "x"s: -2 + 2 + 165 + 100 + 83 + 18+ 138 = 504So this simplifies to

36x + 504 = 900 Subtract 504 from both sides

36x + 504 - 504 = 900 - 503 Do the subtraction

36x = 396 Divide by 36 on both sides

x = 396/36 Do the division

x = 14

Answer

But you want angle A.

<A = 9x - 2 = 9*14 - 2 = 126 - 2 = 124

277/12

Step-by-step explanation:

Use the order of operations or pemdas (parenthesis, exponents, multiplication, division, addition, subtraction) to solve this equation:

3 / 6^2 +7 x 4 - 5

there are no parenthesis, so exponents

= 3 / 36 + 7 x 4 - 5

now multiplication and division(from left to right)

= 3 / 36 + 7 x 4 - 5

= 1/12 + 28 - 5

addition and subtraction are next(it doesn't matter the order in this case):

1/12 + 23

= 1/12 + 276/12

= 277/12

i hope this helps

protons have a positive charge

in an atom, there are three main subatomic particles, the protons, electrons and neutrons.

the protons are of positive electric charge while electrons possess negative and neutrons are neutral and does not contain any charge.

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