mhanifa or someone else can you PLZ answer this

Mhanifa Or Someone Else Can You PLZ Answer This

Answers

Answer 1

Answer:

[tex] \frac{7 {n}^{2} - 41n + 8 }{ {n}^{2} - 1 } [/tex]

Step-by-step explanation:

[tex] \frac{7n}{n + 1} + \frac{8}{n - 7} \\ \\ = \frac{7n(n - 7) + 8(n + 1)}{(n + 1)(n - 1)} \\ \\ = \frac{7 {n}^{2} - 49n + 8n + 8 }{ {n}^{2} - 1 } \\ \\ = \frac{7 {n}^{2} - 41n + 8 }{ {n}^{2} - 1 } [/tex]

Answer 2

Answer:

Simplified:

[tex]\frac{7n}{n + 1} + \frac{8}{n - 7}[/tex]   =[tex]\frac{7n(n - 7) + 8(n + 1)}{(n + 1)(n - 7)}[/tex]   =[tex]\frac{7n^2 - 49n + 8n + 8}{n^2 + n - 7n - 7}[/tex]   =[tex]\frac{7n^2 - 41n + 8}{n^2 - 6n - 7}[/tex]

This can be further simplified if required

[tex]\frac{7n^2 - 42n -49 + n + 57}{n^2 - 6n - 7}[/tex] =[tex]7 + \frac{n + 57}{n^2 - 6n - 7}[/tex]


Related Questions

Please help, 16 points and i’ll mark you as brainlest

Answers

I think this is the answer, sorry I am not 100% sure

Help please!
Evaluate the following expressions using the Order of Operations.

Answers

QUESTION 1

1️⃣ Simplify 2+3 to 5.

3x-4+4^2-5

2️⃣ Simplify  4^2 to 16.

3x-4+16-5

3️⃣ Simplify   to 12

-12+16-5

4️⃣ Simplify  -12+16 to  44.

4-5

5️⃣ Solve 4-5

-1

Done ✔

QUESTION 2

1️⃣ Simplify 2^2 to 4.

7*4-3*8+4-6

2️⃣ Simplify 7*4 to 28.

28-3*8+4-6

3️⃣ Simplify 3*8 to 24.

28-24+4-6

4️⃣ Simplify 28-24 to 4.

4+4-6

5️⃣ Simplify 4+4 to 8

8-6

6️⃣ Simplify

2

Done ✔

QUESTION 3

1️⃣ Simplify -4+3 to -1.

7-(-3)-1

2️⃣ Remove parentheses.

7+3-1

3️⃣ Simplify 7+3 to 10

10-1

4️⃣

9

Done ✔

QUESTION 4

1️⃣ Simplify 3*2 to 6

-6-4*6+5^2

2️⃣ Simplify 5^2 to 25

-6-4*6+25

3️⃣ Simplify 4*6 to 24

-6-24+25

4️⃣ Simplify -6-24 to -30

-30+25

5️⃣ Simplify

-5

ALL DONE ✔✔

how many cats can fit in one box?

Answers

Answer:

depends on how big the box and cats are

Step-by-step explanation:

well it defends on how big or small the box is

I need help please :D

Answers

Answer: A

Step-by-step explanation: i am 88% sure

Answer:

I.

Step-by-step explanation:

Please help. Will give Brainliest.

Answers

Answer:

2

Step-by-step explanation:

That is the only valid reflection across line e.

Answer:

2

Step-by-step explanation:

When an image is reflected over a line the triangles are positioned the same way and the distance from the line is the same therefore your answer is 2

Aiuda plis necesito para hooooy

Answers

Answers:

No sé lo que eso significa, pero ¿puedes marcarme mentalmente?

Step-by-step explanation:

Explain why the triangles are similar. Then find the value of x.

Answers

Answer:

well u can find triangles in the shape and they are the same shape just smaller

Step-by-step explanation:

combine like terms

3x+4x= 7x

14-1= 13

then divide by 7

1.85(keep going)  i think THINK this is right im sorry if it isn't

HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP
HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP


The cost of renting ice skates at a skating is $1.25. The rink charges $3.25 for each hour, x, of skating. Which graph best models this situation, where y is the total cost to go skating?

Answers

Answer:

Step-by-step explanation:

y = 3.25x + 1.25

1.25 is y-intercept

3.25 is the slope of a graph.

If x = 0, then y = 1.25

(0, 1.25)

If x = 3, then y = 3.25(3) + 1.25 = 11

(3, 11)

It should be (3,11) goodluck

I need help with this ❤️

Answers

Answer:

12.5

Step-by-step explanation:

Answer:

TU = 7.5

VU = 17.5

TV = 7.5 + 17.5. = 25

hope it helps

which of the following is the correct graphical representation and solution to the system of equations

y= 2/3x + 5 and y= x+3

(look at the picture)
another option is (1,4)

Answers

Answer:

Option a

Step-by-step explanation:

Given equations are ,

y = ⅔x + 5 y = x + 3 .

Here y intercept is 5 and 3 respectively .From looking at options it's clear that the option 1 is correct since it has y Intercepts as 5 and 3 respectively.

Hope it helped !

ILL GIVE BRAINLIEST IF YOU SOLVE THIS NO WORK NEEDED

Answers

Answer:

cosA = AB/ AD = AC/BC is the correct one.

A company claims that their new bottle holds 40% more laundry soap. If their original container held `53` fluid ounces of soap, how much does the new container hold?

Answers

Answer:

I need help to sooo yeah

Step-by-step explanation:

Soryy


Ken bought 2 video games and 1 DVD for a total of $105. Jerome bought 1 video game and 4 DVDs for a total of $80. Which system of equations can be
used to find the cost, in dollars, of each video game (v) and each DVD (d) at the store?

Answers

Answer:

I think that the Linear system of equations can be used to find the cost.

Step-by-step explanation:

Answer:

2v + 1d = 105

and

1v + 4d = 80

Step-by-step explanation:

ken : 2v + 1d = 105

Jerome : 1v + 4d = 80

1v + 4d = 80 Try to get a video games by its self

   - 4d    -4d

1v = 80 - 4d    

Plug into kens equation..

2(80 -4d) + 1d = 105

160 - 8d + 1d = 105

-160                 -160

-7d = -55

/-7        /-7

d = 7.86 (rounded)

Plug into Jeromes equation

1(7.86) + 4v = 80

- 7.86            - 7.86

4v = 72.14

/4     /4

v = 18.035 (round = 18)

The half-life of the isotope Osmium-183 is 12 hours. Choose the equation below that gives the remaining mass of Osmium-183 in grams, M.
after n half-lives have elapsed if there was an initial mass of 590 grams before decay. Then, use the equation to determine the mass remaining
after 36 hours have passed
Mn = 590. ()": M3 – 148
D
M, = 590 C4)*-* : My ~ 148
Mn = 590 - ()": Mz - 74
Mi = 590 - (1) * + : Mz - 74

Answers

The given equations are incomprehensible, I'm afraid...

You're given that osmium-183 has a half-life of 12 hours, so for some initial mass M₀, the mass after 12 hours is half that:

1/2 M₀ = M₀ exp(12k)

for some decay constant k. Solve for this k :

1/2 = exp(12k)

ln(1/2) = 12k

k = 1/12 ln(1/2) = - ln(2)/12

Now for some starting mass M₀, the mass M remaining after time t is given by

M = M₀ exp(kt )

So if M₀ = 590 g and t = 36 h, plugging these into the equation with the previously determined value of k gives

M = 590 exp(36k) = 73.75

so 73.75 ≈ 74 g of Os-183 are left.

Alternatively, notice that the given time period of 36 hours is simply 3 times the half-life of 12 hours, so 1/2³ = 1/8 of the starting amount of Os-183 is left:

590/8 = 73.75 ≈ 74

ABC
A rectangular prism has a volume of 990 feet cubed, a width of 9 feet, and a height of 10 feet. What is the measure of the length of the
prism

Answers

I’m pretty sure the answer would be 11 because if 9×10xa(or whatever letter you use) equals 990 then a=11. Hope this helps!

A test of a new car results in 370 miles on 10 gallons of gas. How far could you drive on 65 gallons of gas?
Show your work

Answers

Answer:

2405 miles

Step-by-step explanation:

370÷10 = 37

37×65 = 2405

Alice purchased a compass from an online retailer. The cost of the compass was $60.00, and was marked 40% off. Sales tax for the item is 7.5%, plus a shipping fee of $5.99. What is the final price, including discount, tax and shipping?​

Answers

Answer:

$60.00 * 1.075 * .6 + 5.99 = $44.69

when you have multiple fees and discounts and taxes and whatever else, you should follow the order of all operations.  multiplication and division before addition and subtraction, and so on.  

Step-by-step explanation:

For discount and sales tax you multiply, and for shipping you just add the fee.  We will save shipping for last since it doesn't effect the discount or tax.  Meanwhile you could apply the discount and tax in any order.

To apply a discount you take the price and multiply by 1 minus the percent in decimal form.  decimal form of a percent is basically the number divided by 100.  so 40% = .4 then 1 - .4 = .6

to apply a ttax you multiply 1 plus the percent in decimal form.  tax is 7.5% so in decimal form that's .075 then 1 plus the tax is 1.075

so now you multiply 60 * .6 * 1.075 and also remember 60 * .6 * 1.075 = 60 *  1.075 * .6 but the answer is $38.70

Now add the shipping, so 38.70 + 5..99 = $44.69

Which statement describes a unit rate?
A.Alex eats 3 apples.
B.Kyle runs 3 miles over 2 days.
C. Zack reads 3 pages of his book per minute. D.Michael adds 3 cups of sugar for every 2 cups of flour​

Answers

Answer:

c. 3 pages per minute

.......

Select the correct type of solution set for the system

Answers

Answer:

no solution

Step-by-step explanation:

No solution is your answer

Find the lateral surface area of this
cylinder. Round to the nearest tenth.
12cm
3 cm
?] cm2

Answers

lateral surface area of this cylinder is 1584/7 or 226.28...cm square.

The  lateral area of the cylinder is 226.2 cm² .

What is lateral surface area of cylinder?

The lateral surface of an object is all of the sides of the object, excluding its base and top. The lateral surface area is the area of the lateral surface.

For a right circular cylinder of radius r and height h, the lateral area is the area of the side surface of the cylinder:

A = 2πrh.

According to the question

radius of cylinder = 3 cm

height of cylinder = 12 cm

The lateral area of the cylinder:  

A = 2πrh

A = 2 * [tex]\frac{22}{7}[/tex] * 3 * 12

A = 226.2 cm²

Hence, the  lateral area of the cylinder is 226.2 cm² .

To know more about lateral area of the cylinder here:

https://brainly.com/question/2904887

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is it A, B,C, or D? i need help asap

Answers

Answer:

C

Step-by-step explanation:

If x=0 is 2010, you can infer that x=6 would be 2016.

From there, you just have to find the correlating y-value (38).

There are twelve doughnuts in a dozen. How many doughnuts are there in seven dozen?

Answers

Answer:

84

Step-by-step explanation:

12*7 = 84

Answer:

84

Step-by-step explanation: 12*7 = 84

Find the area of a circle with radius, r = 88cm.
Give your answer rounded to 3 SF.

Answers

The area of the circle is 24300 square centimeters

How to determine the circle area?

The given parameters are:

Radius, r = 88 cm

The area is calculated using:

Area = πr²

So, we have:

Area = 3.14 * 88²

Evaluate

Area = 24316.16

Approximate

Area = 24300

Hence, the area of the circle is 24300 square centimeters

Read more about areas at:

https://brainly.com/question/24487155

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what is the area of a circle if the radius is 8

Answers

Answer:

4 is ans mrk me brien list lol

Answer:

area of a circle = pi * radius^2

area = 201.06 cm^2

Step-by-step explanation:

What is the solution of the equation?

1/3y = 4 5/6

Answers

The answer for this would be Y=2/29

Alex only keeps ten pence coins and some twenty pence coins in
his coin box. He has a total of 18 coins which amounts to £2.30.
Work out the number of ten pence coins and twenty pence coins
in Alex's coin box.


Answers

Answer:

In the box. we have 5 20 pence coins and 13 10 pence coins

Step-by-step explanation:

Let the number of 10 pence coins be x and the number of 20 pence coins be y

The sum of these numbers is 18

Thus;

x + y = 18•••••••(i)

Writing the value in pence only

£2.30 * 100 = 230 pence

Now we have that;

total 10 pence coin amount = 10 * x = 10x

Total 20 pence coin amount = 20 * x = 20y

10x + 20y = 230

x + 2y = 23 •••••••(ii)

from ii;

x = 23-2y

Substitute this into i

23-2y + y = 18

23-18 = 2y-y

y = 5

Recall;

x + y = 18

x + 5 = 18

x = 18-5

x = 13

PLEASE HURRY
Which of the following is a cost homeowners insurance does not protect?
a.

The cost of repair or replacement of a home lost in a natural disaster.
b.

Additional living expenses required while your home is repaired after a disaster.
c.

Replacement costs for all contents in your home, including high cost electronics.
d.

The cost of medical expenses incurred by somebody getting injured on your property.

Answers

Replacement costs for all contents in your home, including high cost electronics. In my case it was C on edge

Answer:c

Step-by-step explanation:

Suzy is shopping at a book sale.The table show prices for paperback books.

Answers

Answer:

6,9

Step-by-step explanation:

Got it right on edg

The ordered pair which is also on the graph is (6, 9).

What is the number pattern?

A number pattern is a pattern in a series of numbers that represents the common relationship between the numbers.

Suzy is shopping at a book sale.

We can see from the table that when books( x) is 2 then the value of y is 3.

Similarly, x = 4 then y = 6

then we can say that the value of y is the addition of half of the value of x in itself.

So, according to the number pattern;

if we take x = 6

Then 6 + 3 = 9

y = 9

Thus, The ordered pair which is also on the graph is (6, 9).

Learn more about a number pattern:

brainly.com/question/14471389

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pllsss help me pls pls pls pls

Answers

Answer:

yum

Step-by-step explanation:

find the value of x ?

Answers

Answer:

Step-by-step explanation:

x = 1.5·42 = 63

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