Find the nonpermissible replacement for N in the following expression :

-8/5n

Find The Nonpermissible Replacement For N In The Following Expression :-8/5n

Answers

Answer 1

We are given expression

[tex]\frac{-8}{5n}[/tex]

we know that

this is rational expression

And any rational expression is undefined when it's denominator =0

so, for finding non-permissible values of n , we set denominator =0

and then we can solve for n

denominator is 5n

[tex]5n=0[/tex]

Divide both sides by 5

[tex]\frac{5n}{5} =\frac{0}{5}[/tex]

so, we get

[tex]n=0[/tex]

So, the non-permissible replacement for n in this expression is 0.........Answer

Answer 2

The correct answer is

[tex]n=0[/tex]


[tex] EXPLANATION [/tex]



This is testing your knowledge on domain of rational functions.


To avoid division by zero, the denominator of the rational function


[tex]\frac{-8}{5n}[/tex]


should not be equal to zero.



Therefore the non permissible number can be found by equating the whole denominator to zero. That is,



[tex]5n=0[/tex]



We can now solve for n, to obtain,




[tex]n=\frac{0}{5}=0[/tex]



Hence that number is


[tex]n=0[/tex]





Related Questions

60x5= i need this answer

Answers

answer:  [tex]300[/tex]

work:

[tex]60[/tex]

[tex]5[/tex]

_________

[tex]300[/tex]


hope this helps! ❤ from peachimin

Answer:300

Step-by-step explanation:5 times 0 is 0 6 times 5 is 30 then you get 300

Riding with the wind at her back, a cyclist takes an hour less time to cover 80 miles than without any wind. Riding with the wind increases the cyclist's speed by 2 miles per hour. What is her speed when riding with the wind?

Answers

Answer:

41 MPH

Step-by-step explanation:

Let's assume the original speed with or without, is around 82 miles, within 2 hours.

So in this case, it'd be half the miles, half the hours!

10 Points Please Help


Solve for x. -x + 4 = 32

A) x = -36

B) x = -28

C) x = 28

D) x = 36

Answers

x=-28 because the minus sign in front of the x will turn the -28 into positive 28 and 28+4 is 32

Your answer would be B.) x = -28

A restaurant sells 330 sandwiches each day. For each $0.25 decrease in price, the restaurant sells about 15 more sandwiches. How much should the restaurant charge to maximize daily revenue? What is the maximum daily revenue? Each sandwich is 6$ beforehand...

Answers

Answer:

The value that optimizes this inequality is x = 1, since it represents the vertex of the parabola. Therefore, $ 0.25 is the price that must be discounted to maximize revenues

With x = 1 the value of the new income will be = $ 1983.75

Step-by-step explanation:

Revenue with the current sale price is:

6 * 330 = $ 1980

Let's call x the number of times the price of a sandwich decreases, that is, if x = 1 then the price of the sandwich decreases by $ 0.25

Then, the price would be:

Price = (6-0.25x)

Then, if the price is decreased by a factor of x, then the number of sandwiches sold will increase by a factor of 15x. Therefore the number of clients will be:

Sale = (330 + 15x)

Now we need an equation for income. The income will be equal to the sale price, for the number of sandwiches sold

Income = price * sale

Income = (6-0.25x) (330 + 15x)

In order for this restaurant pricing model to be profitable, the revenues with the new sale price must be greater than the revenues with the sale price of $ 6. So:

New income> current income.

[tex](6-0.25x) * (330 + 15x)> 330 * 6\\ (6-0.25x) * (330 + 15x)> 1980[/tex]

The left side of the inequality represents a parabola:

[tex]-3,750x ^ 2 + 7.5x + 1980> 1980[/tex]

The value that optimizes this inequality is x = 1, since it represents the vertex of the parabola. Therefore, $ 0.25 is the price that must be discounted to maximize revenues

The attached image shows the region that satisfies the proposed inequality and the vertex of the parabola:

[tex]x = \frac{-b}{2a}[/tex]

With x = 1 the value of the new income will be = $ 1983.75

Solve: 3(1-2x) > 3-6x

Answers

3(1 - 2x) > 3 - 6x    use distributive property

(3)(1) + (3)(-2x) > 3 - 6x

3 - 6x > 3 - 6x    add 6x to both sides

3 > 3 FALSE

Answer: NO SOLUTION

Suppose you have 2 1/2 apples. If a student serving consists of 3/4 of an apple, how many students servings( including parts of a serving ) can you make?

Answers

here is your answer....

Starting at sea level, a submarine descended at a constant rate to a depth of −56 mile relative to sea level in 4 minutes.

What was the submarine's depth relative to sea level after the first minute?

Enter your answer in the box as a fraction in simplest form.

Answers

-56mi in 4 minutes is (56mi/4) in 1 minutes = 14mi/minute.

Therefore, the submarine was 14 miles below sea level after 1 minute.

Answer:

The submarine's depth relative to sea level after the first minute is -14 miles.

Step-by-step explanation:

Consider the provided information.

Starting at sea level, a submarine descended at a constant rate to a depth of −56 mile relative to sea level in 4 minutes.

This can be written as:

[tex]-56\ miles=4\ minutes[/tex]

To find the submarine's depth relative to sea level after the first minute, divide both the sides by 4.

[tex]\frac{-56}{4}\ miles=\frac{4}{4}\ minutes[/tex]

[tex]-14\ miles=1\ minutes[/tex]

Hence, the submarine's depth relative to sea level after the first minute is -14 miles.

Is-54/9 an rational number?

Answers

Yes it is because it can be written as a fraction.
Yes because rational numbers are whole numbers, fractions, decimals, etc.

if kyle is from texas then he is a football fan. Kyle is from texas. Is there a valid conclusion? if yes, what is it?

Answers

Kyle is a football fan because he is from Texas
Final answer:

The logic of a conditional statement ('if-then') is followed here. Given 'If Kyle is from Texas, then he is a football fan' and 'Kyle is from Texas', we can validly conclude 'Kyle is a football fan'.

Explanation:

The statement 'if Kyle is from Texas then he is a football fan' is known as a conditional statement in logic. Conditional statements have an 'if' part (the hypothesis) and a 'then' part (the conclusion). In this case, the hypothesis is 'Kyle is from Texas' and the conclusion is 'he is a football fan'. The statement 'Kyle is from Texas' confirms the hypothesis. Therefore, following the logic of the conditional statement, we can conclude that 'Kyle is a football fan'. This conclusion is based on the given condition, in real life, of course, being from Texas doesn't automatically make someone a football fan, but within the confines of this logic, it does.

Learn more about Conditional Statements here:

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the cost of a phone is reduced by 20%. the new cost is $70.40 . what was the original price?
1. $88.00
2.$84.00
3.$58.40
4.$56.00

Answers

2, $84
$70.40×.2=$14.08
$70.40+$14.08=$84.48, so it would be $84
$84.00 is your answer

you are getting ready for a family vacation. You decide to download as many movies as possible before leaving for the road trip. If each movie takes 1 2/5 hours to download, and you downloaded for 5 1/4, how many movies did you download. EXPLAIN PLEASE I NEED HELP!!!!!

Answers

If all movies took the same time to download (unlikely), you could download (5 1/4) / (1 2/5) movies

= (21/4) / (7/5) = (21/4)*(5/7) = 15/4 = 3 3/4 movies.


If it takes 1 2 5 hours to download 1 movie, then in 5 1 4 hours, you will download 4 movies.

The water level at Lake Penny changed −1 1/10 in. this year. Next year, it is predicted to change another −1 2/5 in. What is the total change that will likely occur in 2 years?

Answers

Answer:

Total change that will likely occur in 2 years = -2.5 in.

Explanation:

 The water level at Lake Penny changed [tex]-1 \frac{1}{10}[/tex] in first year and [tex]-1 \frac{2}{5}[/tex] in in the second year. We need to find total change in the two years.

 We know that [tex]a\frac{b}{c}[/tex] can be written as [tex]\frac{ac+b}{c}[/tex]

So [tex]-1 \frac{1}{10}=-(\frac{1*10+1)}{10} )=\frac{-11}{10}[/tex]

    [tex]-1 \frac{2}{5}=-(\frac{1*5+2}{5})= \frac{-7}{5}[/tex]

 So total change in two years =  [tex]\frac{-11}{10}+\frac{-7}{5} =\frac{-11-2*7}{10} =\frac{-25}{10} =-2.5inch[/tex]

 Total change that will likely occur in 2 years = -2.5 in.

Answer:

its 2 1/2

Step-by-step explanation:

HELP HAVING ALOT OF TROUBLE!!

Answers

Hello!

To solve this problem we first need to find the value of each given item.

12^4 is equal to 12·12·12·12, or 20,736

12·12·12·12·12 is equal to 12^5, or 248,832


With this information being provided, it can be said that 12^4 < 12x12x12x12x12

Hope this helps.

A squirrel ran 9 miles in 1 hour. Which expression can be used to determine it's miles per hour? plz help due Tuesday. need a fast correct but short answer! plz.

Answers

9miles/hour    no expressions to chooses from

9 miles/hour. This shows that a squirrel's pace is 9 miles per hour. There is no expression to determine it. It is already in miles per hour form as stated in the question.

given the replacement set {0,1,2,3,4} solve 4x - 5 = 11

Answers

4x - 5 = 11
4x = 11 + 5 = 16
4x = 16
Divide by 4 from both sides
X = 4

how do you solve this -6 ÷[-3/4]=?

Answers

The rule to use: when dividing fractions, invert and multiply.

-6 ÷ -(3/4) equals -6 * -(4/3) which equals 24 / 3 which equals

8


-6 * -4/3

-2 * -4= 8
the answer to the question

Factor the following completely.

r^2 - 14r -50

Answers

you can't factor it at all

Share 35$ in the ratio 4:1

Answers

35/5= 7

so,

4*7 = 28                          1*7= 7


The answer is  28:7

Final answer:

To share $35 in the ratio 4:1, Person 1 will receive $28 and Person 2 will receive $7.

Explanation:

To share $35 in the ratio 4:1, we first need to find the total number of parts in the ratio by adding the two numbers together: 4 + 1 = 5. Next, we divide the total amount of money ($35) by the total number of parts (5) to find the value of each part: $35 / 5 = $7. Now, we can multiply the value of each part by the corresponding ratio values to find the amount of money each person will receive:

Person 1 (4 parts): 4 * $7 = $28Person 2 (1 part): 1 * $7 = $7

Therefore, in the ratio 4:1, Person 1 will receive $28 and Person 2 will receive $7.

A gym hold a 60 minute time exercise class on Saturday a several 45 minute classes during. The week last week all of the classes lasted a total of 285 minutes. Write an equation you can use to find the number of the weekday classes

Answers

285=45x+60 because 285 stands alone and its you total. 45x is the its there with the variable x because the it says several

A parks and recreation department is constructing a new bike path. The path will be parallel to the railroad tracks shown and pass through the parking area at the point (4,5). Write an equation that represents the path

Answers

Answer:

dont listen to answer above me, its supposed to be in slope intercept form, so it is y=4/3x-1/3

and so we have (4,5)

substitute it in and you will have

y=4/3x+b

5=4/3(4)-b

which is

5=16/3-b

b is equal to 1/3

so thats the y int

so the equation will be

y=4/3x-1/3

Step-by-step explanation:

see above

Final answer:

The equation of the proposed bike path would take a similar form to the railroad track (y = mx + c) but adjusted to pass through the point (4,5). Without knowing the slope or y-intercept of the original line (railroad tracks), we cannot provide a specific equation for the bike path.

Explanation:

This Mathematical question pertains to the concept of linear equations in coordinate geometry. The problem involves finding the equation of a line that is parallel to the given railroad tracks and denoted as a two-dimensional path. We don't have information on the slope or y-intercept of the railroad tracks in the question, so for the time being, let's assume that the equation of the railroad track line is y = mx + c where m is slope and c is y-intercept.

Any line parallel to y = mx + c will have the same slope 'm'. The given point (4,5) on the new bike path. Hence the equation of the new bike path will be y - 5 = m*(x - 4). We are unable to provide a specific equation without more details about the railroad tracks line.

Learn more about Linear Equations here:

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sea level is defined as an altitude of 0 ft. A scuba diver dives into the water and, in 3 min, her altitude drops from 0 ft to −126 ft.

What was the diver’s average change in altitude, per minute, for that time period?


A. −348 ft

B. −42 ft

C. 42 ft

D. 348 ft

Answers

B) -42 ft

why?

-126/3 = -42

Hope this helped!

Solve for x. 8.2x−6.2−7.2x=14 Enter your answer, as a decimal, in the box. x =

Answers

Answer is: Solve for x by simplifying both sides of the equation, then isolating the variable.

x = 20.2

write an equation that represents this comparison sentence. 32 is 8 times as many as 4

Answers

32=8*4 This is how the equation would be written. Hope I helped :)

The equation that represents this comparison sentence 32 is 8 times as many as 4 is [tex]32 = (8 \times 4)[/tex]

Times also means multiplication

8 times as many as 4 is expressed as [tex](8\times 4)[/tex]

If 32 is 8 times as many as 4, this is expressed as

Hence the equation that represents this comparison sentence 32 is 8 times as many as 4 is [tex]32 = (8 \times 4)[/tex]

Learn more here: https://brainly.com/question/5838836

I need help with 40a

Answers

Hi, here is the solution...

The Fibonacci series  1, 1, 2, 3, 5, 8, 13, 21, 34...

3rd number = Sum of the first two numbers.

2 = 1 + 1

4th number = Sum of the two numbers before it

That is, 3 = 2 + 1

5th number is 5.

5 = 3 + 2 (Sum of the two numbers before 5).

6th number is 8

8 = 5 + 3

7th number is 13

13 = 8 + 5

8th number is 21

21 = 13 + 8

Therefore, the conjecture is " Each number in the series is The Sum of Two Numbers Before it."

Hope you understand the concept.

Thank you :)

He gets $200 for showing up and gets paid $15 an hour write a linear equation to represent his earnings

Answers

Let H = number of hours worked.

He gets $15 for every hour worked, so you need to multiply 15 by h which is written as 15h

You then need to add that to the $200 he gets for showing up.

Total pay = 15h + 200

$200+$15h=t

h=numbers of hours worked.
t=Total

He gets 200 just by showing up so u add that to the 15 dollars he gets per hour.
You × the 15 by h to get the total for working those hours

Hopefully this help!


What is 12.2x+50.6y+3(1.4x-2.6y) simplified?

Answers

16.4x + 42.8y


Hope this helps & good luck. :)

The answer would be 16.4x + 42.8y

27x$42 answer to the problem

Answers

$1134 is the correct answer

27•42= 1134

27 x $42 = $1,134

Hope this helps you

-AaronWiseIsBae

Kirsten will do yard work with Ryan during July. Kirsten mows the lawn every third day and Ryan waters the lawn every fourth day. They both trim the hedges every Saturday. Both begin their work on Monday July 1. After the first day,will Kirsten and Ryan work on the same day again? Explain. Will Kirsten and Ryan have to do two jobs on one day? Explain how you know.

Answers

Answer:

Let Kirsten and Ryan start their work on 1 st of July.

Kirsten working days are 1,4,7,10,13,16,19,22,25,28,31,...

Ryan working days are 1,5,9,13,17,21,25,........

Now suppose 1 st of July is Monday,so coming Saturday will be on 6,13,19,25,31,....

Yes, Kirsten and Ryan will work on same day again i.e on 13, 25 in the month of July.

Yes ,they have to do the two jobs on one day also i.e on day which Saturday falls i.e on 13, and 25 of july.





The base of a pyramid has n sides. Write and expression for the number of faces of the pyramid

Answers

Remark

The number of faces reaching out in the 3rd dimension of the pyramid = the number of edges on the base.

Givens

Number of edges (or sides on the base)= e

Number of faces = f

Formula

F = e + 1 Don't forget that the base is also a face.

what is the word for a rational number whose cube root is a whole number

Answers

It's called perfect cubes
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