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erik [133]
3 years ago
14

In a neutral atom that has 18 protons, how many electrons does it have?

Mathematics
1 answer:
Llana [10]3 years ago
6 0
Neutral atoms must have equal numbers of protons and electrons

Solution: 18 electrons
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50 points. Please quick.
Allisa [31]

Answer:

Condition A.  

A rectangle with four right angles  

There can be many quadrilaterals satisfying this condition.

Condition B.

A square with one side measuring 5 inches

There can be only one quadrilateral satisfying this condition.

Condition C.

A rhombus with one angle measuring 43°

There can be many quadrilaterals satisfying this condition.

Condition D.

A parallelogram with one angle measuring 32°

There can be many quadrilaterals satisfying this condition.

Condition E.

A parallelogram with one angle measuring 48° and adjacent sides measuring 6 inches and 8 inches.

There can be only one quadrilateral satisfying this condition.

Condition F.

A rectangle with adjacent sides measuring 4 inches and 3 inches.

There can be only one quadrilateral satisfying this condition

Step-by-step explanation:

3 0
3 years ago
What is 9/16 closest to 0,1/2, or 1 and why?
Lady_Fox [76]
1/2, because 9/16 is closer to 8/16 which reduces to 1/2. It is not as close to 0/16 (0) or 16/16 (1)
7 0
3 years ago
Hank is throwing a surprise party. The party costs $20 per person. Create an equation and graph to represent the relationship be
o-na [289]

Answer: Answer with Step-by-step explanation:

Since we have given that

Cost of party per person = $20.

Let the number of friends be 'f'.

Let the cost of party be 'p'.

According to question, our equation becomes

p= 2f

So, if p = 100, then f = p/2 = 100/2 = 50 if f = 10, then, p = 2f = 2 • 10 = 20 If p = 300 then, f = 300/2 = 150, If f = 20, then, p = 2f = 2 • 20 = 40 So, Table as follows:

Number of friends cost of party

50 100

10 20

150 300

20 40

3 0
3 years ago
The formula for the area of a triangle is A=1/2bh , where b is the base of the
belka [17]
For the first question: The equation would be set up as 30=1/2(12x) Then solve for x. (Or just plug that formula into Desmos)

Answer: x=5
4 0
3 years ago
Determine if the statement below is always true, sometimes true, or never true. When x is a
andrew11 [14]

Answer:

Sometimes

Step-by-step explanation:

When x is a nonzero integer, then x can be

  • negative;
  • positive.

If x is negative, then -3x is positive (multiplying negative number by -3 you get positive number).

If x is positive, then -3x is negative (multiplying positive number by -3 you get negative number).

So, the statement "When x is a nonzero integer, the quantity -3x will be negative" is sometimes true.

7 0
3 years ago
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