Which of the following elements is the most reactive?

Chlorine
Bromine
Fluorine
Helium

Answers

Answer 1
i think its the 2nd one 

Related Questions

arlene grossman earns $235 per week her federal income tax is $36.00 her FICA tax is 6.2% arlene is also subject to a 3% state income tax and a 1% city tax whats her net pay

Answers

Arlene Grossman will net $175.03 per week. She loses 10.2% in taxes, which is $23.97 and she loses an additional $36 in income tax. $235 minus $23.97 minus $36 equals $175.03.

Prove the alternating series test by showing that (sn) is a cauchy sequence.

Answers

Answer: Given an > 0 we need an N such that n, m > N means |sn â’ sm| < . We are free to assume that n > m (since they otherwise play symmetric roles in the definition of a Cauchy sequence). Then sn â’ sm = (â’1)mam+1 + . . . + (â’1)nâ’1 an = (â’1)m

Cindy spends 2 hours doing English, Geometry and History homework. It takes her 35 minutes to do English homework and 55 minutes to do Geometry homework. How much time does Cindy spend on History homework? Question 7 options: A.Cindy spends 30 minutes on History homework. B.Cindy spends 25 minutes on History homework. C.Cindy spends 65 minutes on History homework. D.Cindy spends 60 minutes on History homework.

Answers

Ok! So first, 2 hours are 120 minutes and 55 + 35 = 90
 120 - 90 = 30
So the answer is A. Cindy spends 30 minutes on History
Hope it helps!

What is the slope?
What is the y intercept?
What is the x intercept?
What is the equation of the line in slope intercept form?
What is the equation of the line in standard form?

Answers

the slope is -2 or -2/1 
the x intercept is -8 
the y intercept is -4
the equation of the line in slope intercept form is y= -2x-4
the equation of the line in standard form is -2x-4y=0

Answer: Slope- (-1/2)

Y intercept- (-4)

the x intercept is -8  

the equation of the line in slope intercept form is y= -1/2x-4

the equation of the line in standard form is -1/2x-4y=0

Shown here is a frequency distribution for the rise in tides at 30 selected locations in the U.S.Find the variance and standard deviation

Answers

It’s is going to be 15 since 30/2 equals 15
answer: 15 since 30/2 equals 15
hope this helps:D


plz give me brainiest

I am doing Geometry and I don't know how to do this!

Answers

A) 3x + 5 + y + 20 = 180
B) x + 15 + 4y -15 = 180

A) 3x + y = 155
B) x + 4y = 180
multiplying B) by -3
B) -3x -12y = -540 than adding this to A)
A) 3x + y = 155 equals

-11y = -385

y = 35  then putting this into equation A)

A) 3x + 5 + 35 + 20 = 180
3x = 120
x = 40


Hurry please!! Use any model you choose to solve the story problem. Zoey found that box of dog food was left in the pantry. She shared this food equally among her 4 dogs. What fraction of the full box of dog food did each dog get?

Answers

There is a box that is full which is 100% so if she is splitting the box equally she will be giving each dog 25% of the box or 1/4 of the box.

Liam bought a picture frame that cost $12 plus 8% sales tax. He wrote the expression 1.08(12) to find his total cost.

Which expression is equivalent to the total cost? 
(12+0.08)12

12 + 0.08

1+0.08(12)

(1+0.08)12

Answers

The Answer Is D.(1+0.08)12







                       Hope It Helps Mark Me The Brainlyest PLEASE

The expression which is equivalent to the total cost comprising of the cost of frame and sales tax is (1 + 0.08)12

Given the Parameters :

Cost of frame = $12

Sales tax = 8% = 0.08

The total cost can be expressed thus :

Cost of frame = 100% of $12

Sales tax amount = 8% of $12

This can be expressed as :

(100% + 8%) × 12

(1 + 0.08) × 12

Therefore, the appropriate expression ls (1 + 0.08)12

Learn more : https://brainly.com/question/18109354

Customers have two options when renting video games from a rental store. Plan A requires a $5 monthly fee and $1 per video rental. Plan B requires an $8 monthly fee and $0.75 per video rental. How many video rentals would be required each month for the plans to cost the same amount?

Answers

for the first rental it's 35 times the second one is 24 times

You are designing a rectangular sign for your school’s football team. The sign will be 6 yd wide and 9 ft high. How many square yards of material do you need?

Answers

First, you would convert length and width to yards. 
You would be left with 6yds and 3yds. 

Then, to find the area of the sign, you would multiply them. 
6 x 3 = 

Your answer would be, 18 square yards

I hope this helps!
You are looking of the area of the material.
Since it is a rectangle, you have to do  length x width
The length is 6 and the width is 3
so 6x3=18.


You would need 18 square yards of material.

What is the relationship between ​ ​ 9.6×10^−2 ​ ​ and ​ ​ 9.6×10^−5 ​ ​ ? Select from the drop-down menus to correctly complete the statement. ​ 9.6×10−2 ​ is ? times ? than ​ 9.6×10−5 ​ .

Answers

9.6 x 10^-2 / 9.5 * 10^-5  = 1 * 10^(-2-(-5)  = 1 * 10^3

so the blanks are 1000 and greater

[tex]9.6\times 10^-^2[/tex] is  1000 times greater than [tex]9.6\times 10^-^5[/tex]

Explanation

The given numbers are:   [tex]9.6\times 10^-^2[/tex]  and  [tex]9.6\times 10^-^5[/tex]

Dividing the two numbers, we will get.....

[tex]\frac{9.6\times 10^-^2}{9.6\times 10^-^5} = \frac{10^-^2}{10^-^5}= 10^-^2\times 10^5 = 10^3 = 1000[/tex]

As, [tex]\frac{9.6\times 10^-^2}{9.6\times 10^-^5} > 1[/tex]

So,  [tex]9.6\times 10^-^2>9.6\times 10^-^5[/tex]

Thus, [tex]9.6\times 10^-^2[/tex] is  1000 times greater than [tex]9.6\times 10^-^5[/tex]

what is the estimate of 39% of 120

Answers

It  is 47 because you had to turn 39 into a fraction of 100. So you would do .39x1120. Which would give you the fraction of 46.8. That number rounded is 47.


If a circle takes 8 rotations to roll 5 meters, what is its radius?

Answers

8 full rotations measures 5 meters.
That means 8 times the circumference is 5 meters.

Let C = circumference.

8C = 5

C = 5/8 = 0.625

The circumference measures 0.625 m.

The circumference is

[tex] C = 2 \pi r[/tex]

Now we substitute our value into the circumference formula.

[tex]0.625 = 2 \pi r [/tex]

[tex]2 \pi r = 0.625 [/tex]

[tex]\pi r= 0.3125[/tex]

[tex]r = \dfrac{0.3125}{\pi} [/tex]

[tex]r \approx 0.09947 [/tex]

[tex]r \approx 0.1 ~m[/tex]

Find measure of angle d A. 122 degrees B. 61 degrees C. 238 degrees D. Not enough information

Answers

Final answer:

To find the measure of angle d, you can use the dot product formula and inverse cosine function.

Explanation:

To find the measure of angle d, we need to consider the given information about vectors A and B. The vector A is represented as (122 cm, <145°) and the vector B is represented as (110 cm, <270°). The angle between two vectors can be found using the dot product formula: cos(theta) = A · B / (|A| * |B|). So, we can calculate the dot product and magnitude of vectors A and B, and then use the inverse cosine function to find the angle between them. The measure of angle d is __ degrees.

Find the value of 7 + 32 (-5 + 1) ÷ 2.

25
32
-11

Answers

Here is your answer:

Use PEMDAS:

7+32×(-5+1)÷2
-5+1=-4

7+32×-4÷2
32×-4=--128

7+-128÷2
128÷2=-64
7+-64=-57
Since its not one of the options I'm choosing C because its negative.

-11 would be your answer since i'm guessing that the answer is 3^2 and not 32

Find the perimeter of the figure. 2 1/4 in, 4 1/12in, 3 2/3in

Answers

 it would = out to be  9 18/73

What is the product written in scientific notation? (5.91×10−3)⋅(8.7×1010)

Answers

(5.91×10^−3)⋅(8.7×10^10)
=(5.91 × 8.7)⋅(10^-3 × 10^10)
= 51.417 x 10^7
= 5.1417 x 10^8

hope it helps

Answer:

Product [tex]5.1417 *10^{8})[/tex].

Step-by-step explanation:

Given : [tex](5.91* 10^{-3} )(8.7*10^{10})[/tex].

To find : What is the product written in scientific notation.

Solution : We have given

[tex](5.91* 10^{-3} )(8.7*10^{10})[/tex].

Combine like terms

[tex]5.91 * 8.7 * 10^{-3}*10^{10})[/tex].

[tex]51.417 * 10^{-3}*10^{10})[/tex].

[tex]51.417 *10^{7})[/tex].

In scientific notation

[tex]5.1417 *10^{8})[/tex].

Therefore, Product [tex]5.1417 *10^{8})[/tex].

Question 20 read the question and type your response in the box below the question. your response will be saved automatically. write an example of a linear equation with one variable and infinitely many solutions.

Answers

you're looking for something like y=2x+3 and 2y=4x+6?

A 120 lb person would weight about 20 lb on the earth's moon .A 150 lb. person would weight 28lb. on lo, a moon of jupiter.

Answers

find the common ratio numerator

(10 pts) A plastic extruder can produce 3843 ft of plastic pipe in an 8 hour shift. If the plastic is cut into 7 ft long pipes, how many pipes are produced each shift ?

Do you just divide 3843 by 7?? It just seems to simple.

Answers

I think you would. 

3843/7 = 549


Answer:

8742

Step-by-step explanation:

838473

With a tail wind, a plane traveled 840 miles in 3hrs. With the same wind as a head wind, the return trip took 30 minutes longer. Find the plane's airspeed(in still air) and the wind speed....
So lost smh

Answers

Tail Wind: 840 miles in 3 hours (i.e. Plane is going with the wind)
Head Wind: 840 miles in 3.5 hours (i.e. Plane is going against the wind)

Let the plane speed (without wind) i.e. airspeed = v
Let the wind speed = w

The two equations can be made
1. v + w = 840 miles in 3 hours 
   v + w = 280 miles per hour
2. v - w = 840 miles in 3.5 hours
    v - w = 240 miles per hour

This is a set of simultaneous equations. We can either solve with substitution or elimination. I choose elimination

v + w = 280
- (v - w = 240)
2w = 40
w = 20
So the wind speed, w, is 20 miles per hour

We can then substitute w = 20 into either equation to find v.
+ w = 280 miles per hour
v + 20 = 280
v = 260

So the planes airspeed, v, is 260 miles per hour


Final answer:

To find the plane's airspeed (in still air) and wind speed, we can use the concept of relative velocity. By setting up a system of equations using the distances and times for the outbound and return trips, we can solve for the values of the airspeed and wind speed. Solving these equations, we find that the plane's airspeed is 230 mph and the wind speed is 70 mph.

Explanation:

To find the plane's airspeed and wind speed, we can use the concept of relative velocity. Let's assume the plane's airspeed (in still air) is P mph and the wind speed is W mph.

On the outbound trip, with a tailwind, the plane's groundspeed (the speed relative to the ground) will be the sum of its airspeed and the wind speed: P + W mph. Since the distance traveled is 840 miles and the time taken is 3 hours, we have the equation: Distance = Speed * Time, where Speed is the groundspeed. Therefore, we can write the equation as: 840 = (P + W) * 3.

On the return trip, with the same wind as a headwind, the plane's groundspeed will be the difference between its airspeed and the wind speed: P - W mph. As it took 30 minutes longer, the time taken will be 3 hours + 0.5 hours = 3.5 hours. Using the same equation, we have: 840 = (P - W) * 3.5.

Now we have a system of equations, which we can solve to find the values of P and W. Solving these equations, we get:

Airspeed (in still air) = 230 mph

Wind speed = 70 mph

Learn more about finding airspeed and wind speed here:

https://brainly.com/question/19908126

#SPJ2

Solve using quadratic equation:
3x(^2)-2x+1=0
[^2 means 2 squared]

Answers

x = -b +- √b² - 4ac/ 2a        in general, given ax² + bx + c = 0

3x² - 2x + 1 = 0     in this case, a = 3, b = -2, c = 1

x = 2 +- √(-2)² - 4(3)(1) / 2(3)

x = 2 +- 2√2i / 6

simply solutions;

x = 1+-√2i / 3

hope this helped, God bless!

Which of these variables is least likely to have a normal distribution?
a.annual income for all 150 employees at a local high school
b.lengths of 50 newly hatched pythons
c.heights of 100 white pine trees in a forest
d.amount of soda in 60 cups filled by an automated machine at a fast-food restaurant
e.weights of 200 of the same candy bar in a shipment to a local supermarket?

Answers

It would be a, because some of the students could have really high income and some low, it’s very unpredictable, but all others will probably all be very close

Hope this helps!

Answer:

Annual income for all 150 employees at a local high school

Step-by-step explanation:

The normal distribution is also called the Gaussian distribution. It is the most common type of distribution for statistical analysis. The normal distribution is based on a probability distribution. The data near the mean are more frequent than the data away from the mean. It is based on two parameters: the mean and the standard deviation.

As per options, option A which states ‘annual income for all 150 employees at a local high school’ the data is within the standard deviation.  

graph the linear equation. find three points that solve the equation, then plot on the graph -5x+2y=11

Answers

Final answer:

To graph the linear equation -5x+2y=11, choose x values and solve for y to find points for plotting. Three example points are x = 0, 2, and -5 with y values of 11/2, 8, and 21 respectively.

Explanation:

Graphing the Linear Equation -5x + 2y = 11:

To find points, we can choose values for x and then solve for y.Choose x = 0, x = 2, x = -5 as examples.For x = 0, y = 11/2; for x = 2, y = 8; for x = -5, y = 21. Plot these points on a graph and draw a straight line through them.

For questions 1-3 match the graph to the table of values

Question 1 Options:

A. Time | Height
1 5
2 10
3 15
4 20


B. Time | Height
1 2
2 3
3 5
4 9



C. Time | Height
1 4
2 3
3 5
4 7



Question #2 Options



A. Time | Height
1 5
2 10
3 15
4 20


B. Time | Height
1 2
2 3
3 5
4 9



C. Time | Height
1 4
2 3
3 5
4 7



Question #3 Options


A. Time | Height
1 5
2 10
3 15
4 20


B. Time | Height
1 2
2 3
3 5
4 9



C. Time | Height
1 4
2 3
3 5
4 7

Answers

1. B. because the values go up at an inconsistent rate
2. C. because the values go down then up
3. A. because the values go up consistently 

Answer: (1) The correct option is B. (2) he correct option is (C). The correct option is (A).

Explanation:

(1)

In the graphs the x-axis represents the time and the y-axis represents the height.

From given figure 1 it is noticed that the height is consistently increases as the time increases but not in the same proportion.

Because the points are not lies on a single straight line, it means the height increases but not in the same rate.

Therefore, the correct option B.

(2)

From figure 2 it is noticed that at initial state the height decreases after that height increases.

The option 1 represent the increase at constant rate, option 2 represent the increase in height but not at constant rate and option 3 represents the fluctuation in height.

Therefore the correct option is C.

(3)

From figure 3 it is noticed that all the pints lies on a single straight line, therefore the height increases at a constant rate.

So, the correct option is A.

I need to know how to do this question

Answers

The LCM  is (x + 2)(x - 4)

so we have 

4(x - 4) - 3(x + 2)              x - 22
---------------------- =    -------------------            Answer
(x + 2)(x - 4)                 (x + 2)(x - 4)
I showed my work on paper and took a picture of it.

What is the area of a parallelogram whose vertices are A(−1, 12) , B(13, 12) , C(2, −5) , and D(−12, −5) ?

Answers

238 square units. The area of a parallelogram is the base multiplied by the height. You can use any of its four sides as the base, so pick the one that is easiest to deal with. Examining the parallelogram, you'll notice that line segments AB and CD are both parallel to the x axis which makes it extremely easy to calculate the height which is 12 - (-5) = 17. The length of AB is 13 - (-1) = 14. So the area of the parallelogram is 14 * 17 = 238

Match the following items.

Am I right

1. 2x + x + 4 = -17
2
combine like terms
2. 3x + 4 = -17
3
subtraction
3. 3x = -21
4
division
4. x = -7
1
Given

Answers

yup correct :D
thrs a shorter method though

Imagine +4 flying over the = sign, and just change the sign (from + to -)
It is a lot shorter, as long as you can visualise. If for example -10 is flying over, it becomes +10

If you ask three strangers about their birthdays, what is the probability:

Answers

Part A:

The probability that the birthday of three strangers were on Wednesday is given by

[tex]\left( \frac{1}{7} \right)^3= \bold{\frac{1}{343}} [/tex]



Part B:

The probability that the birthday of three strangers were on different days of the week is given by

[tex]\left( \frac{1}{7} \right)\left( \frac{1}{6} \right)\left( \frac{1}{5} \right)= \bold{\frac{1}{210}} [/tex]



Part C:

The probability that none of the three strangers were born on Saturday is given by

[tex]\left( \frac{6}{7} \right)^3= \bold{\frac{216}{343}}[/tex]

A pet store has 24 Tiger fish and 3 aquariums. Each aquarium has the same number of fish. How many tiger fish are in each aquarium?

Answers

there are 8 fishes in each tank 
 24/3 = 8

Final answer:

To find the number of tiger fish per aquarium, divide the total number of fish (24) by the number of aquariums (3), resulting in 8 tiger fish per aquarium.

Explanation:

The question asks us to determine how many tiger fish are in each aquarium if a pet store has 24 tiger fish and 3 aquariums, with each aquarium having the same number of fish.

To find the answer, we need to divide the total number of tiger fish by the number of aquariums:

Total number of tiger fish = 24

Number of aquariums = 3

We calculate the number of fish per aquarium by performing the division 24 ÷ 3, which equals 8. Therefore, there are 8 tiger fish in each aquarium.

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