Mathematics College

Helium (He), Neon (Ne), Argon (Ar), Krypton (Kr), Xenon (Xe), and Radon (Rn) have a completely filled outer electron shell and are therefore called inert gases. What do the inert gases have in common?

1.They behave similarly in chemical reactions
2.They have the same number of protons
3.They have the same number of electrons
4.They belong to the same period

Answers

Answer 1

Answer:

The answer would be 1.

Answer 2

Answer:

They behave similarly in chemical reactions

Step-by-step explanation:

Because their atomic numbers are different, the elements each have a different number of protons and electrons. They belong to the same group, not the same period.

Related Questions

In the figure below, =m∠2=33 Find m∠1, m∠3, and m∠4. 20pts!!!

Answers

Answer: measurement 1, and 3 is 147. Measurement 4 is 33

}−2x+2y=−4
{3x+3y=−18
find the solution to the systems of equations
​

Answers

Answer:

Answer=

x=(-2),y=(-4)

and in components form,

(-2,-4)

Step-by-step explanation:

equation1 (-2x+2y=-4)

equation2 (3x+3y=-18)

(times equation 1 by 3 and times equation 2 by 2, to make the y values equal to each other)

E1 (-6x+6y=-12)

E2 (6x+6y=-36)

(subtract both equations from each other)

-6x+6y=-12

-

6x+6y=-36

=(-12x=24)

so, x=24÷-12=-2

(then we sub the value of x into one of the equations- the new one or the old one)

3x+3y=-18

(3×-2)+3y=-18

3y=-18+6=-12

y=-12÷3=-4

please help thank you so much ​

Answers

Answer:

no solution

Step-by-step explanation:

2. Four out of nine dogs weigh less
than 20 pounds. What is the decimal
equivalent for the number of dogs
weighing under 20 pounds?
A 0.2
B 0.24
C 0.2
D 0.49

Answers

Answer:

0.49

Step-by-step explanation:

The repeating decimal equivalent would be 0.44, and round it to 0.49


Michelle has a piece of yarn measuring 7 yards. How many 1-inch strips can be cut from the yarn?

Answers

Answer:

252

Step-by-step explanation:

7 yards is equivalent to 252 inches.

Answer:

252 inches

Step-by-step explanation:

There are 3 feet in 1 yard. Multiply 7 yards x the 3 feet in each 1 yard.

You should now have 21 feet.

Multiply 21 feet x the 12 inches in each foot.

You should come up with 252 inches as your final product.

Help help please please

Answers

Can i get your snap?

Somebody who know how to speak Spanish help.​

Answers

Answer:

Step-by-step explanation:

lemme see the word bank

at the beginning of the basketball game Sabrina made nine points in four minutes she wants to break the school record of 119 points in a game but the game last for 60 minutes in a Sabrina continues to score points at this rate will she break the school record show how you know set up a proportion

Answers

Yes she will break the school record if she continues to score at that rate. You divide 60 / 4 since there are 60 minutes in a full game. That gives you 15. Then you multiply that answer by 9 because she scores 9 points each of those 4 minutes. That will get her to score 135 points by the end of the game

Dennis mowed his next door neighbors lawn for a handful of dimes and nickels, 80 coins in all. Upon completing the job he counted out the coins and it came to $6.60. How many of each coin did he earn

Answers

Answer:

28 nickels and 52 dimes

Step-by-step explanation:

.05x 28 + .10 x 52 = 6.60

1.40 + 5.20 = 6.60

^28  +   ^52  = ^80

Joseph is tracking the progress of her plant's growth. Today the plant is 8 cm high. The plant grows 1.5 cm per day
What is the linear model that represents the height of the plant after d days.

Answers

Answer:

y = 1.5x(or d) + 8

Step-by-step explanation:

1.5 is the slope and 8 is the y intercept(the constant term)

F(4) for the function f(x)=2x+5

Answers

Answer:

= 13

Step-by-step explanation:

Use direct substitution:

2(4)+5 = 13

A family buys 8 tickets to a show. They also pay a $5
parking fee. They spend $61 to see the show.
What is the solution to the story?

13.80
10.60
07.00
8.25

Answers

Answer:

C. $7.00

Step-by-step explanation:

8 times 7 is 56 + 5 = 61

Identify the independent and dependent variables: The cost to gift wrap an order is $ 3 plus $1 per item wrapped

Answers

Answer: Indep. is: $3 and the dependent is $1

Step-by-step explanation:

Every item is $3, but if you add more then you also add $1

Evaluate the expression -7(-6)+12

Answers

Answer: 54

Step-by-step explanation: coz I juss know

The answer is 54 because: -7•(-6)= -42. Then you add 12 to -42 which is -54

Nancy is buying a new pair of boots. The store is having a sale and all boots are 20% off. Which expression represents the sale price of the boots where x is the original price of the boots?

Answers

there are two expressions that can work for this: 0.8x and x-0.2x Hope this helps :)

Answer:

b=12.50p

Step-by-step explanation:

How to get a tutor on here y’all ? It’s won’t pop up for me

Answers

Answer:

I dont think you can, Pretty sure u can only search for answers. I would double check though

Step-by-step explanation:

I’m pretty sure that when you ask a question it will give you an option of asking a tutor if you have the Brainly app

Answer this for my sister again​

Answers

Im thinking 1:7 but I’m not really sure
wait wat nahwiwnwhsiwb

What is the distance between (1, -4) and (1, 18)?
O 2 units
O 5 units
19 units
22 units

Answers

Answer:

22 units is the correct answer

l

The distance between (1, -4) and (1, 18) is 22 .The correct option is 4

What is the distance between two points ( p,q) and (x,y)?

The shortest distance (length of the straight line segment's length connecting both given points) between points ( p,q) and (x,y) is:

 [tex]D = \sqrt{(x-p)^2 + (y-q)^2} \: \rm units.[/tex]

Substituting the values of the coordinates in the distance formula;

 D = [tex]\sqrt{(1-1)^{2}+(18+4)^{2} }[/tex]

     =[tex]\sqrt{(0)^{2} + (22)^{2} }[/tex]

     = [tex]\sqrt[n]{484}[/tex]

      = 22

So, 22 units is the right answer.

Learn more about distance between two points here:

brainly.com/question/16410393

#SPJ6

A man earned wages of $30,600 , received $2900 in interest from a savings account, and contributed $2600 to a tax-deferred retirement plan.He was entitled to a personal exemption of $2500 and had deductions totaling $5020. Find his gross income, adjusted gross income, and taxable income

Answers

Answer:

So the answer is gonna be: 33,580.  Hope this help!

Step-by-step explanation:

1 1/4+1 4/7 i need help like quickkkk

Answers

Answer:

1 1/4 + 1 4/7 = 2 23/28

Step-by-step explanation:

When you add it on Desmos it gives me these numbers in these images. (These are all the answers at the bottom*) Hope this helps!

please help this is timed

Philip is 4 years older than his brother. The sum of their ages is 26. How old is Philip's brother?

Answers

Answer:

Phillips brother is 11.

Step-by-step explanation:

11 + 15  = 26

Let x be age of Philip's brother.

4 + x +x = 26

2x = 26 -2

2x = 22

x = 22/2

x = 11

Philip's brother is 11 years old

Ariana needs to rent a car while on vacation. The rental company charges $18.95, plus 16 cents for each mile driven. If Ariana only has $40 to spend on the car rental, what is the maximum number of miles she can drive?

Ariana can drive a maximum of
miles without the cost of the rental going over $40.Round your answer to the nearest mile.

Answers

Answer:

Ok simple Algebra Question:

Let "x" be the number of miles she drives.

18.95 + 0.16x = 40.00

Subtract 18.95 from both sides.

0.16x = 21.05

Divide both sides by 0.16

You get:

x = 131.5625

Round to nearest mile:

Answer is: 132

What is the length of the arc on a circle with radius 16 ft intercepted by a 60° angle?
Use 3.14 for pie
Round the answer to the hundredths place.

Answers

arc length = r(theta)
so, arc length = 16(60)
960 is the answer!

Answer:

16.75

Step-by-step explanation:

HWLP NOW IM FREAKING OUT INNEED HELP

Answers

Answer:

I believe the answer is 14

Step-by-step explanation:

0.25x14=3.5 or 3 1/2 hope this helped!! <3

Answer:

The answer is C

Step-by-step explanation:

Hope this helped!

Charlie bought hamburgers and drinks for his coworkers. Each hamburger cost $3.75 and each drink cost 50 cents. In total, Charlie paid $25.50 for his order. Write an equation that represents the relationship between the number of hamburgers he bought, h, and the number of drinks he bought, d.

Answers

Answer:

25.50=3.75h+0.50d

Step-by-step explanation:

Javier rounded to the nearest half to estimate the product of 3 2/5 and -3 7/8. How do the estimate and the actual product compare Word problem

Answers

Answer:

Step-by-step explanation:

LOOK AT THE PIC AND PLZ HELP ASAP

Answers

Answer:

1. Same side Interior Angles

2. Corresponding Angles

3. Alternate Interior Angles

4. Vertical Angles

5. Adjacent Angles

6. Same Side Exterior Angles

7. Alternate Exterior Angles

Hope this helped.

Which expression equals 24?

Answers

Answer:

Lots.

Step-by-step explanation:

12 + 12, 2 x 12, 48 divided 2, etc.

Lots of expressions make 24.

Answer:For this case we must find an expression equivalent to 24, including exponents. To do this, we decompose factor 24. By definition, factorial decomposition consists of writing a number as the multiplication of other numbers.

Then:

We have the "2" is written three times, then:

Answer:24 = 2 to the 3rd power x 3

Step-by-step explanation:

The graph of the function, f, is shown. What is the domain of f?

Answers

Answer:

D : [-2,0) U (0, infinity) ; -2<=x<0 U x>0

One page of Abdul's stamp book has 5 stamps on each line. There are 8 lines. How many Stamos are on the page? *

Answers

Answer:

40 stamps

Step-by-step explanation:

To find how many stamps are on the page, multiply 5 by 8, since there are 5 stamps on each line and there are 8 lines:

5(8)

= 40

So, there are 40 stamps on the page.

Other Questions
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