Given m n, find the value of x.
(x+20)°
(4x-5)°

Given M N, Find The Value Of X.(x+20)(4x-5)

Answers

Answer 1

∠(x+20)° and ∠(4x-5)° are the same side interior angles or supplementary angles thus x will be 33.

What is an angle?

An angle is a geometry in plane geometry that is created by 2 rays or lines that have an identical terminus.

The identical endpoint of the two rays—known as the vertex—is referenced as an angle's sides.

As per the given angles,

∠(x+20)° and ∠(4x-5)° are supplementary angles.

∠(x+20)° + ∠(4x-5)° = 180°

x + 20 + 4x - 5 = 180

5x + 15 = 180

5x = 165

x = 33

Hence "∠(x+20)° and ∠(4x-5)° are the same side interior angles or supplementary angles thus x will be 33".

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Related Questions

Determine the slope and y-intercept of the graph below.

Answers

Answer:

y-intercept: -3

slope: 3

Step-by-step explanation:

Slope can be found by using rise/run

The equation: y = 3x - 3

A block of mass m=2.50kg is pushed a distance d=2.20m along a frictionless, horizontal table by a constant applied force of magnitude F=16.0N directed at an angle θ=25.0 below the horizontal as shown in above figure. Determine the work done on the block by (a) the applied force, (b) the normal force exerted by the table, (c) the gravitational force, and (d) the net force on the block.

Answers

a.) W=31.9J

b.) Normal force=0

c.) Gravitational force = 0

We apply the definition of "work by a constant force" in the first three part  and in the fourth part, we total the results. The work performed by the overall (net) force is equal to the sum of the separate forces' respective amounts of work.

Work by a constant force is defined as W=FΔrcosθ.

Work, in general, is the result of force and the displacement it produces. W = FX is the formula used to express how much work a force has produced. Here, x is the body's displacement as a result of the force F. The dot product informs us that only the force that causes displacement is taken into account when calculating the work done.

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Paper production accounts for approximately 40 percent of the world's industrial use of wood, and the market for paper is growing faster than it is for all major wood products.
(A) the market for paper is growing faster than it is for all
(B) the market for paper is growing faster than the market for all other
(C) the market for it is growing faster than it is for all other
(D) its market is growing faster than the market for all
(E) its market is growing faster than it is for all other

Answers

The correct statement is option (B) the market for paper is growing faster than the market for all other

The given statement is

Paper production accounts for approximately 40 percent of the world's industrial use of wood, and the market for paper is growing faster than it is for all major wood products.

The first option is a sentence that in the question but its not conveying the proper meaning of the given statement. Option C, D and E is not saying about the paper market, therefore it is not conveying the correct meaning of the statement

Hence, the correct statement is option (B) the market for paper is growing faster than the market for all other

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Hoodies at Old Navy are sold at a 30% markup during the month of September. If the original price of a hoodie is $23.00, what is the amount of the markup?

Answers

By working with the given percentage, we can see that the amount of the markup is $6.90

What is the amount of the markup?

Suppose that the original price is P, and we have a markup (in percentage form) of X, then the amount of the markup is:

M = P*(X/100%)

Here we know that the original price of a hoodie is P = $23.00, while the percentage of the markup is 30%.

Then the amount of the markup in these hoodies is:

M = $23.00*(30%/100%)

M = $23.00*0.3

M = $6.90

The amount of the markup is $6.90

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find the dimensions of the closed rectangular box with square base and volume 8000 cubic centimeters that can be constructed with the least amount of material.

Answers

The dimensions of the closed rectangular box with a square base and volume of 8000 cubic centimeters that can be constructed with the least amount of material are 20 cm.

Let the length and width of the rectangular box with a square base be x.

and the height is y.

The volume, V = 8000 = [tex]x^{2} y[/tex]       --------(1)

The surface area, S = 2[tex]x^{2}[/tex] + 4xy .   -------(2)

S =  2[tex]x^{2}[/tex] + 4xy and  8000/ [tex]x^{2}[/tex] =y     -------( from 1 and 2)

so, S= 2[tex]x^{2}[/tex] + 4x(8000/ [tex]x^{2}[/tex])

S= 2[tex]x^{2}[/tex] + 32000/x

to find the least amount of material to be used, we will differentiate the surface area w.r.t x.

ds/dx= 0 = 4x - 32000/[tex]x^{2}[/tex]

therefore, we have, 4x = 32000/[tex]x^{2}[/tex]

                                 4[tex]x^{3}[/tex] =32000

                                   [tex]x^{3}[/tex] =8000

                                     x=20

Hence, The dimensions of the closed rectangular box with a square base and volume of 8000 cubic centimeters that can be constructed with the least amount of material are 20 cm.

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carpetland salespersons average per week in sales. steve contois, the firm's vice president, proposes a compensation plan with new selling incentives. steve hopes that the results of a trial selling period will enable him to conclude that the compensation plan increases the average sales per salesperson.

Answers

Carpetland not $8,000 in step with week in earnings. Vice President, proposes a plan with new selling incentives with the want that the plan will increase the not earnings in step with earnings are more than $8,000 in step with week.

It implies, The null hypothesis, H: μ≤$8,000 in step with week. The possibility hypothesis, H: μ>$8,000 in step with week where μ is the whole not unusual place earnings in step with week.

Type II mistakes is defined due to the fact the opportunity of now now not rejecting the false-null hypothesis i.e. now now not rejecting the null whilst it is false. Therefore, if we do now now not reject that the not earnings are a great deal much less than or same to $8000 (and end that the not unusualplace earnings may be a great deal much less than same to $8000) whilst in fact it is more than $8000 then we are growing a type II mistakes.

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What are the properties of numbers?.

Answers

There are 4 fundamental main properties of numbers: commutative, associative, distributive, and identity. You must be acquainted with every of those.

Commutative Property: a. Addition. When numbers are added, the sum is the equal irrespective of the order wherein the numbers are added. b. Multiplication. When all numbers are accelerated together, the product is the equal irrespective of the order wherein the numbers are accelerated. Identity Property. Addition. The sum of any wide variety and 0 is that wide variety.

Associative Property : a. Addition. When 3 or greater numbers are added, the sum is the equal irrespective of the manner wherein the numbers are grouped. b. Multiplication. When 3 or greater numbers are accelerated, the product is the equal irrespective of the manner wherein the numbers are grouped. Distributive Property: The sum of numbers instances a 3rd wide variety is identical to the sum of every addend instances the 1/3 wide variety.

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total revenue from six jet skis is $2,400, and total revenue from seven jet skis is $2,700. the marginal revenue in the interval between six and seven jet skis is $ .
300

Answers

The marginal revenue in the interval between six and seven jet skis is $300.

Here we are given that total revenue from six jet skis is $2,400

and total revenue from seven jet skis is $2,700

Now, marginal revenue is defined as the revenue gained or lost by producing one more additional unit of a good.

Here, the total revenue increases from $2,400 to $2,700 as we go from producing 6 jet skis to 7 jet skis.

Thus, the change in total revenue will be-

2700 - 2400

= 300

This means that the gain in revenue is $300.

Thus, the marginal revenue in the interval between six and seven jet skis is $300.

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The perimeter of a rectangle is 96 yards and the length is 14 yards more than the width what are the dimensions of the rectangle

Answers

Answer:

17 yards and 31 yards.

Step-by-step explanation:

Since length is 14 more than width, lets call width: w and length: w+14

So perimeter is 96 so: 2w+2(w+14)=96

2w+2w+28=96 so 4w+28=96

4w=68 and finally w=17

So 17 yards and 31 yards.

A boy is mowing a rectangular lawn 40 ft. Long and 30 ft. Wide. He has cut all of it except for a rectangle that is 20 ft. Long and 15 ft. Wide. What fractional part of the lawn remains uncut?.

Answers

The fractional part of the lawn remains uncut = 1/4.

In this question, we have been given a boy is mowing a rectangular lawn 40ft long and 30ft wide.

He has cut all of it except for a rectangle that is 20ft long and 15ft wide.

The area of the rectangular lawn:

40 x 30 = 1200 sq. ft.

And the area of the uncut part of lawn would be:

20 x 15 = 300 sq. ft.

The fractional part of the lawn that remains uncut would be,

300 / 1200 = 1/4

Therefore, 1/4 part  of the lawn  remains uncut.

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Owner buy coat for $55 each and ell them for $99 each the ale price i what % of the purchae price

Answers

Percentage of the sales price to the given purchase price is equal to 180% .

As given in the question,

Purchase price of the each coat bought by owner is equal to  $55

Selling price of each coat sold by owner is equal to  $99

Percentage of sales price of purchase price is equal to

= ( Selling price / Purchase price )  × 100

Substitute the value of the selling price and the purchase price we get,

= ( 99 / 55 ) × 100

= ( 1.8 ) × 100

= 180%

Therefore, the sales price is 180 percent of the given purchase price.

The complete question is:

Owner buys coats for $55 each and sell them for $99 each. The sales price is what % of the purchase price.

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I really need help to get this done, please.

Answers

The circle is partitioned into 9 parts and arc GH is only one of the parts, therefore, the length of arc GH is a ninth of the circumference of the circle which has the radius as a factor.

The ratio of the measure of arc length GH to the radius, r, where r = n is [tex]\frac{2\cdot \pi}{9}[/tex]

What is the circumference of a circle?

The circumference of a circle is the perimeter of the circle which is equal to the product of twice the radius and π.

The circumference of the circle is C = 2·π·r

The circle is divided into 9 parts

The arc GH is the arc to one part of the circle

The length of the arc GH = 2·π·r/9

The ratio of the arc GH to the radius, r = n is therefore;

When r = n,

Measure of arc length [tex]\widehat{GH}[/tex] = 2·π·n/9

Ratio of [tex]\widehat{GH}[/tex] to r = n is obtained using the formula;

[tex]Ratio = \dfrac{Measure \ of \ arc\ length \ GH }{n}[/tex]

[tex]\dfrac{\dfrac{2\cdot \pi\cdot n}{9} }{n} = \dfrac{2\cdot \pi }{9}[/tex]

The ratio of the measure of arclength GH to the radius (r = n) is [tex]\dfrac{2\cdot \pi }{9}[/tex]

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in order to estimate the average time spent on the computer terminals per student at a local university, data were collected from a sample of 81 business students over a one-week period. assume the population standard deviation is 1.2 hours.
The standard error of the mean is?
a. 7.5
b. 0.014
c. 0.160
d. 0.133
With a 0.95 probability, the margin of error is approximately?
a. 0.26
b. 1.96
c. 0.21
d. 1.64
If the sample mean is 9 hours, then the 95% confidence interval is approximately?
a. 7.04 to 110.96 hours
b. 7.36 to 10.64 hours
c. 7.80 to 10.20 hours
d. 8.74 to 9.26 hours

Answers

A sample of 81 business students over a one-week period with the population standard deviation is 1.2 hours. We calculate the following using the standard formulae:

a) Standard error of the mean is 0.13.

b) Margin of error is 0.975.

c) If the sample mean is 9 hours, then 95% confidence interval is (8.608 , 9.392).

Confidence Interval

The error introduced during the random sampling process is the sampling error described in the estimation procedure in the form of margin of error (MOE). MOE is expressed by the following formula:

MOE = CV ×SE

where,

CV = critical value of distribution

SE = standard error Solution

Note that, Population standard deviation(σ) is known. So we use z distribution.

we have given that

Sample size, n = 81

Standard deviations, σ = 1.2 h

a)

Standard error = σ /√n

=> S.E = 1.2/√81 = 1.2/9

=> S.E = 0.13

b) We have to construct 95% confidence interval.

therefore, c = 0.95

=> α= 1 - c = 1- 0.95 = 0.05

then, α/2 = 0.05/2 = 0.025 and 1- α/2 = 0.975

the probability or P-vale is 0.975 then from Z-table the corresponding z value is 1.96

The margin of error formula:

MOE = Zα/2 (σ/√n)

= 1.96 (0.13 )

= 0.2548

Margin of error = 0.2548

c) Now , confidence interval for mean(u) formula

(X-bar - E ) < μ < (X-bar + E)

=> ( 9 - 0.392) < μ < (9 + 0.392)

=> 8.608 < μ < 9.392

=>(8.608 , 9.392)

Hence, standard error is 0.13

Margin of error is 0.2548 and confidence interval is (8.608 , 9.392).

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What defines the symbols used in architectural plans?.

Answers

The legend defines architectural symbols and notations used in the plans.

Floor plan symbols make up their own language, just as construction workers have their own vocabulary that they use to communicate when working on projects as it’s essential for architects, designers and builders to understand this language, a floor plan includes an important element called a legend, which acts as a key that helps viewers interpret the drawing.

Therefore, the The legend defines architectural symbols and notations on the plan. Many standard symbols usually appear there for specific projects. However, there can be variations in how symbols look and what they represent, which makes consulting the legend  for each project is essential.

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max is a function that expects two int parameters and returns the value of the larger one.
Two variables , population1 and population2, have already been defined and associated with intvalues.
Write an expression (not a statement!) whose value is the larger of population1 andpopulation2 by calling max.
max(population1, population2)

Answers

The larger of population1 and population2 by calling max.

max(population1, population2)

Since the function max returns a large integer among two integers, max(population1,population2) will give us the large one among population1 and population2. Now if we compare that value with population2 using another max, then that will provide us with the large among maximum (population1,population2) i.e it will be the largest among these three variables.

Therefore the required expression will be:

max(population1,population2).

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I went into a store with a 70% off sign on the door. I found a pair of pants that were originally $49.99 for $30.00 I didn't think this was 70% off so I had to make sure. What were the real percentage off?

Answers

Using percentage to calculate the actual amount, we found out that the real percentage were off.

Percentage

Percentage is defined as a given part or amount in every hundred. It is a fraction with 100 as the denominator and is represented by the symbol "%".

In this case, we have to find 70% of the original price and see if it's true.

70% of $49.99 will be;

70 / 100 = x / 49.99

0.7 = x / 49.99

x = 49.99 * 0.7

x = 34.993

The new price is supposed to be $34.99 and not $30

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In parallelogram ABCD below, find the value of y.

Answers

The value of y shown in the parallelogram given in question is 7.

What is parallelogram?

In Euclidean geometry, a parallelogram is an easy quadrilateral with two sets of parallel sides. The confronting\opposed sides and the opposing angles of a parallelogram are of equal length. To show the congruence of opposed sides and opposite angles, the Euclidean parallel postulate or one of its equivalent formulations must be utilized because both criteria follow directly from this postulate.

To find the value of y we need to use one the property of the parallelogram.

It is property of the parallelogram that it's diagonals bisects each other.

So,

In the given figure,

4y-7 = y + 14

3y = 21

y = 21/3

y = 7

Therefore, the value of y is 7.

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Find the coordinates of the vertices of each figure after the given transformation.

Answers

Answer: look below

Explanation:

#6

z =(-2,-3)

y =(-1,-1)

b =(-3,1)

w =(-4,-2)

#7

r =(3,-2)

j =(4,-4)

e =(3,-4)                                                          

#8

v = (-1,-5)

c = (0,0)

r = (-3,-3)

#9

z = (2,0)

l = (4,-3)

n =(1,-4)

#10

r =(-3,-2)

z =(0,-2)

j =(-1,3)

y =(2,2)

Hope those are all correct! Good luck on the HW!

a board game uses a triangular piece measuring 3 inches on each side. the travel version of the game uses a triangle in a proportional relationship to the original. it measures 0.5 inches on each side. identify the scale factor used to create the travel version of the piece.

Answers

The scale factor used to create the travel version of the piece is 1: 0.16

0.6 is the scale factor used to reduce the dimensions of the original piece having sides measuring 3 inches each.

Scale factor is calculated by dividing the new reduced scale by original scale. Hence:

0.5/3 = 0.166

The ratio of the scale of an original thing to a new object that is a representation of it but of a different size is known as a scale factor (bigger or smaller).

Scale Factor = New Shape Dimension / Original Shape Dimension

Enlarging a small form into a huge one is known as scaling up. Upscaling always uses a scale factor greater than 1. A scale factor 2 means the figure is enlarged twice the original figure's size.

A large number gets scaled down in order to become a smaller one. Scaling down always results in a scale factor less than 1.

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Which formula decribe the following geometric equence? Remember that n repreent the term number. 2, 6, 18, 54,. An = 3 · 2 n - 1
an = 3 2( n - 1)
an = 2 3( n - 1)
an = 2 · 3 n - 1

Answers

For the given geometric progression, the nth term of the given GP is [tex]A_n=2.3^{n-1}[/tex].

Option (C) is correct.

What is the Geometric Progression?

Geometric Progression (GP) is a type of sequence in mathematics in which each succeeding term is produced by multiplying each preceding term by a fixed number known as a common ratio. This progression is also known as a pattern-following geometric sequence of numbers.

The given sequence is 2, 6, 18, 54

here the first term(a) = 2 and the common ratio(r) = 6/2 =3

Then by using the formula for the nth term of a GP, we get

                               [tex]A_n=ar^{n-1}\\\\A_n=2.3^{n-1}[/tex]

Hence the nth term of the given GP is [tex]A_n=2.3^{n-1}[/tex].

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A certain skin cream is 80 percent effective in curing a common rash. A random sample of 100 people with the rash will use the cream. Which of the following is the best description of the shape of the sampling distribution of the sample proportion of those who will be cured?
c. Approximately normal

Answers

Answer: c approximately normal

Step-by-step explanation:

because the graph states that there is 100 random sample people with the rash using the cream and this ask what best describes the shape .

since nobody seems to be answering my last questions, does my answer look correct?​

Answers

Answer: Correct, 4.4 is the answer when rounded, but to be more exact, it would be 4.420

Step-by-step explanation:

The only discrepancy is the rounding, the rest of the work is correct. It is subjective to the teacher whether the answer is sufficient or not, but you did a great job otherwise. If your teacher does want preciseness, however, I would not round to 4.5, it would be more accurate as 4.44 when setting up your equation.

the radius of a circle is increasing at a constant rate of 5 meters per second. at the instant when the radius of the circle is 1010 meters, what is the rate of change of the area? round your answer to three decimal places.

Answers

the radius of a circle is increasing at a constant rate of 5 meters per second, so the rate of change of the area is [tex]100\pi m/sec^{2}[/tex]  

How is the rate of change calculated?

Divide the y-value change by the x-value change to determine the rate of change. When analyzing changes in observable parameters like average speed or average velocity, finding the average rate of change is extremely helpful.

Suppose the radius of circle be r.

now, [tex]\frac{dr}{dt} = 5 m/sec[/tex]

And, area of circle is [tex]\pi r^{2}[/tex]

[tex]\frac{dA}{dy} = 2\pi r\frac{dr}{dt},[/tex] differentiate both sides with respect to t,

[tex]\frac{dA}{dt} |_{r=10} = 2\pi (10)(5)[/tex]

= [tex]100\pi m/sec^{2}[/tex]

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Suppose the length of the tube used in our experiment is 4 m and a tuning fork of frequency 321 hz is used in air where the speed of sound is 342. 4 m/s? (give your answers as integers. For this question, the length of the tube is of the entire plastic cylinder, and not the adjustable length of the air column). How many resonances will be observed?.

Answers

9.028 many resonances will be observed when a tuning fork with a frequency of 321 Hz is used in air with a sound speed of 342 m/s.

Given that,

When a tuning fork with a frequency of 321 Hz is used in air with a sound speed of 342 m/s, how long is the tube utilized in our experiment, 4 m?

We have to find what many of resonances will be seen.

We know that,

The length of the tube is Lₙ=4 m

Frequency is ν = 321 hz

Speed of sound is v = 342 m/s

We know that,

ν=vλ

321=342λ

λ=321/342

λ=0.938

Now,

Lₙ=(2n+1/4)λ

4=(2n+1/4)0.938

n=8.028

We get,

N=n+1=8.028+1=9.028

Therefore, 9.028 many resonances will be observed when a tuning fork with a frequency of 321 Hz is used in air with a sound speed of 342 m/s.

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Solve for x. Round to the nearest tenth?

Answers

Check the picture below.

[tex]\cos(63^o)=\cfrac{\stackrel{adjacent}{x}}{\underset{hypotenuse}{16}}\implies 16\cos(63^o)=x\implies 7.3\approx x[/tex]

Make sure your calculator is in Degree mode.

What is F − 3 for the function f a )= − 2a2 − 5a 4?.

Answers

The required value of the given function  f(a) = -2a^2 - 5a + 4 at a = -3 is 1

What is function?

Function is characterized as a connection between a bunch of data sources having one result each. In straightforward words, a capability is a connection between inputs where each info is connected with precisely one result. Each Function has a domain and co-domain or range. A capability is by and large meant by f(x) where x is the information.

According to given data:

Function, f(a) = -2a^2 - 5a + 4

To find value of f(-3),

f(a) = -2a^2 - 5a + 4

Put a = -3 in th function

F(-3) = -2(-3)^2-5×-3+4

F(-3) = -18+15+4=1

F(-3) = 1

Thus, required value of f(-3) is 1

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Coorect Question:

What is f(-3) for the function f(a) = -2a2 - 5a + 4?

there are 200 sixth-graders in a school. 170 of them want to take geometry, 175 of them want to take algebra, what is the least number of 6th graders who want to take part in both classes?

Answers

The least number of 6th graders who want to take part in both classes is 145.

The intersection of sets A and B is the set of all the elements which are common to both A and B. The intersection of sets is denoted by the symbol ''. Hence, we can write the intersection of A and B as A ∩ B.

The number of graders that want to take geometry is 170.

The number of graders that want to take algebra is 175.

A ∩ G= n(A) + n(G) -( AUB)

=175+170-200

= 345-200

= 145

Therefore, the least number of 6th graders who want to take part in both classes is 145.

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5x-4y=9
X+7=-6

Solve by substituting

Answers

Answer: x= -13

y= -18.5

When you plug these into the first equation, you will find the answer of 9.

Hope this helps.

What is the numerator of the simplified sum X X 2 3x 2?.

Answers

The simplified numerator of the sum is 4x + 6

Given,

We have the following expression for this situation:

x / (x² + 3x + 2) + 3/(x + 1)

And here's where we can start:

x(x + 1) + 3(x² + 3x + 2) / (x² + 3x + 2) (x + 1)

We may now factor the terms x² + 3x + 2 = (x + 1) (x + 2) on the denominator and distribute the terms on the numerator to get:

x² + x + 3x² + 9x + 6 / (x + 2) (x + 1)²

4x² + 10x + 6 / (x + 2) (x + 1)²

Now, the numerator can be factored as follows:

4x² + 10x + 6 = (2x + 2) (2x + 3)

And if we substituted that, we got:

(2x + 2) (2x + 3) / (x + 2) (x + 1)²

We can now apply common factor 2 to the numerator as follows:

2(x + 1) (2x + 3) / (x + 2) (x + 1)²

Additionally, the x+1 can be cancelled on the numerator and denominator as follows:

2(2x + 3) /  (x + 2) (x + 1) = 4x + 6/ (x + 2) (x + 1)

Therefore,

The simplified numerator of the sum is 4x + 6

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Write an expression equivalent to 4(x+2)+4

Answers

The equivalent expression of 4(x + 2) + 4. is 4x + 12.

How to find equivalent expression?

Two expressions are said to be equivalent if they have the same value irrespective of the value of the variable(s) in them.

In other words, two algebraic expressions are said to be equivalent if their values obtained by substituting the values of the variables are same.

Therefore, let's find the equivalent expression of 4(x + 2) + 4.

Let's simplify the expression to find it's equivalent.

4(x + 2) + 4 = 4x + 8 + 4 = 4x + 12

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