5
x

2

(
x

2
)
4
x

Answers

Answer 1

Answer:

Step-by-step explanation:

To simplify the expression (5x - 2) / (x - 2) - (4x), we can follow these steps:

First, let's simplify the numerator:

5x - 2

Now, let's distribute the negative sign to the term (4x):

-4x

Next, let's combine the terms in the numerator:

(5x - 2) - 4x = 5x - 2 - 4x = x - 2

Now, let's rewrite the expression:

(x - 2) / (x - 2) - 4x

Since we have (x - 2) as both the numerator and denominator, we can simplify further by canceling out the common factor:

1 - 4x

Therefore, the simplified form of the expression (5x - 2) / (x - 2) - (4x) is 1 - 4x.


Related Questions

On a piece of paper, graph y<-3/4x+2. Then determine which answer choice
matches the graph you drew.

Answers

The graph of the linear inequality is given by the image presented at the end of the answer.

How to define a linear function?

The slope-intercept equation for a linear function is presented as follows:

y = mx + b

In which:

m is the slope.b is the intercept.

The function for this problem is given as follows:

y = -3x/4 + 2.

Hence the graph crosses the y-axis at y = 2, and when x increases by 4, y decays by 3.

The inequality is given as follows:

y < -3x/4 + 2.

Meaning that points below the dashed line are the solution to the inequality.

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the value of tan80°×tan10°+sin70+sin 20 ​

Answers

The value of tan(80°) × tan(10°) + sin(70°) + sin(20°) ​= 2.28171276

What is Trigonometry?

Trigonometry is the branch of mathematics concerned with specific functions of angles and their application to calculations. There are six functions of an angle commonly used in trigonometry. Their names and abbreviations are sine (sin), cosine (cos), tangent (tan), cotangent (cot), secant (sec), and cosecant (csc). These six trigonometric functions in relation to a right triangle are displayed in the figure.

Given:

tan(80°) × tan(10°) + sin(70°) + sin(20°)

Using Trigonometric identity

sin (A · B) = sin A cos B - cos A sin B

So, tan(80°) × tan(10°) + sin(70°) + sin(20°)

[tex]\rightarrow \tan (80 \times 10)=1[/tex]

[tex]\rightarrow\sin(70^\circ+20^\circ)=1.28171276[/tex]

[tex]\rightarrow 1.28171276+1=\bold{2.28171276}[/tex]

Hence,  tan(80°) × tan(10°) + sin(70°) + sin(20°) = 2.28171276

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The graphs of the functions f(x)

Answers

If the graph of [tex]f(x) = 4e^{0.1x}[/tex] is blue, then the graph of [tex]f(x) = 4(1 + \frac{0.1}{0.5} )e^{0.5x}[/tex] is green.

How to write an exponential function to represent the situation?

In Mathematics and Geometry, an exponential function can be modeled by using this mathematical equation:

[tex]f(x)=a(b)^x[/tex]

Where:

a represents the initial value or y-intercept.x represents x-variable.b represents the rate of change or common ratio.

Assuming x = 10, the output value of [tex]f(x) = 4e^{0.1x}[/tex] is given by;

[tex]f(x) = 4e^{0.1x}\\\\f(10) = 4e^{0.1\times 10}[/tex]

f(10) = 10.872

[tex]f(x) = 4(1 + \frac{0.1}{0.5} )e^{0.5x}\\\\f(10) = 4(1 + \frac{0.1}{0.5} )e^{0.5 \times 10}[/tex]

f(10) = 9.9533

Therefore, the green graph most likely represents [tex]f(x) = 4(1 + \frac{0.1}{0.5} )e^{0.5x}[/tex] .

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10 donuts cost $2.99 how much 1 cost?

Answers

0.299 for the one donut

-10
-8
-5
-4
range for the graph below.
-2
10
co
6
4
2
M
-4
-6
-8
-10
2
4
6
CO
8
10
k
What’s the domain and range?

Answers

The range for the graph provided is from -10 to 10, inclusive.

To determine the range of the graph, we look at the vertical values or the y-values. The lowest y-value on the graph is -10, which corresponds to the point (-6, -10). The highest y-value on the graph is 10, which corresponds to the point (6, 10).

Therefore, the range of the graph is from -10 to 10, which means that all the y-values on the graph fall within this range. This indicates that the graph spans a vertical distance of 20 units, starting from -10 and ending at 10.

It's important to note that the range includes the minimum and maximum values attained by the graph. In this case, the graph reaches its lowest point at -10 and its highest point at 10.

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Darla, Ellie, and Fran ate a whole container of ice cream. Darla ate half as much as Ellie ate, and Fran ate 5 times as much as Darla ate. If the container of ice cream cost $4.00, how much, in dollars, should each person pay?

Answers

Let's denote the amount of ice cream eaten by Ellie as "x" (in arbitrary units).

According to the given information:
- Darla ate half as much as Ellie, so Darla ate (1/2)x.
- Fran ate 5 times as much as Darla, so Fran ate 5 * (1/2)x = (5/2)x.

The total amount of ice cream eaten is the sum of what each person ate:
Total ice cream = Ellie's portion + Darla's portion + Fran's portion
Total ice cream = x + (1/2)x + (5/2)x
Total ice cream = (4/2)x + (2/2)x + (10/2)x
Total ice cream = (16/2)x
Total ice cream = 8x

Since they ate a whole container of ice cream, the total amount of ice cream is equal to 1:
8x = 1

To find the value of x, we can solve the equation:
x = 1 / 8
x = 0.125

Now that we know the value of x, we can determine how much each person should pay:
- Ellie ate x amount of ice cream, so she should pay $4.00 * x = $4.00 * 0.125 = $0.50.
- Darla ate (1/2)x amount of ice cream, so she should pay $4.00 * (1/2)x = $4.00 * (1/2) * 0.125 = $0.25.
- Fran ate (5/2)x amount of ice cream, so she should pay $4.00 * (5/2)x = $4.00 * (5/2) * 0.125 = $1.25.

Therefore, each person should pay:
- Ellie: $0.50
- Darla: $0.25
- Fran: $1.25

A newly hired lawyer receives a $15,000 signing bonus from a law firm and invests the money in a savings account at 4.75% interest. After 42 months, the lawyer checks the account balance.

Part A: Calculate the interest earned if the interest is compounded quarterly. Show all work. (2 points)

Part B: Calculate the interest earned if the interest is compounded continuously. Show all work. (2 points)

Part C: Using the values from Part A and Part B, compare the interest earned for each account by finding the difference in the amount of interest earned. (1 point)

Answers

Part A: The interest earned if the interest is compounded quarterly is $2,768.40.

Part B: The interest earned if the interest is compounded continuously is $2,695.92.

Part C: The difference in the amount of interest earned is approximately $72.48.

Part A: To calculate the interest earned when the interest is compounded quarterly, we can use the formula for compound interest:

[tex]A = P(1 + r/n)^(^n^t^)[/tex]

Where:

A = the final account balance

P = the principal amount (initial investment)

r = the annual interest rate (4.75% or 0.0475 as a decimal)

n = the number of times the interest is compounded per year (4 times for quarterly)

t = the number of years (42 months divided by 12 to convert to years)

Plugging in the values:

A = $15,000(1 + 0.0475/4)^(4 * (42/12))

A = $15,000(1.011875)^(14)

A ≈ $15,000(1.18456005)

A ≈ $17,768.40

The interest earned is the difference between the final account balance and the principal amount:

Interest earned = $17,768.40 - $15,000

Interest earned ≈ $2,768.40

Part B: When the interest is compounded continuously, we can use the formula:

[tex]A = Pe^(^r^t^)[/tex]

Where:

A = the final account balance

P = the principal amount (initial investment)

e = the mathematical constant approximately equal to 2.71828

r = the annual interest rate (4.75% or 0.0475 as a decimal)

t = the number of years (42 months divided by 12 to convert to years)

Plugging in the values:

A = $15,000 * e^(0.0475 * 42/12)

A ≈ $15,000 * e^(0.165625)

A ≈ $15,000 * 1.179727849

A ≈ $17,695.92

The interest earned is the difference between the final account balance and the principal amount:

Interest earned = $17,695.92 - $15,000

Interest earned ≈ $2,695.92

Part C: Comparing the interest earned for each account, we find that the interest earned when the interest is compounded quarterly is approximately $2,768.40, while the interest earned when the interest is compounded continuously is approximately $2,695.92.

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Find the value of x

A. 16
B. 6
C. 4√5
8. √5

Answers

the value of x is the square root of 5 since the square root of five is 5, and 11-6 equals 5

please answer ASAP I will brainlist

Answers

Step-by-step explanation:

a)  23.6 (1.08)^x        for 2016    x = 26   ('x' is the number of years past 1990)

        23.6 (1.08)^(26) = 174.6  billion

b)  109 = 23.6 ( 1.08)^x

    4.6186 = 1.08^x

          x =   log 4.6186 / log1.08   = 19.88 yrs  

                                         means  1990 + 19.88 yrs = year 2010

can someone tell me which graph is right and how did we graph it?

Answers

The graph of the trigonometric function is the first one.

Which graph is the correct one?

Here we have the trigonometric function:

y = 15*sin(x/2).

So, the amplitud if 15, thus, the distance between a maximum and a minimum must be of 15*2 = 30 units.

Also, for x =0 we have:

y = 15*sin(0/2) = 0

y = 0

So the fourth graph can be discarded.

Also, when x increases also does the function (near x = 0), so the third graph is discarded.

Finally, sin(pi) = 0, in this case when x = 2pi we will get:

15*sin(2pi/2) = 0

Then we have an x-intercept at 2pi, thus, the correct option is the first one.

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Ralph chase plans to sell a piece of property for $145000. He wants the money to be paid off in two ways-short term note at 10% interest and a long term note at 8% interest. Find the amount of each note if the total annual interest paid is $13100.

10%:
8%:

Answers

To solve this problem, we can set up a system of equations based on the given information.

Let's assume the amount of money Ralph Chase will receive through the short-term note is represented by "x" and the amount through the long-term note is represented by "y".

According to the problem, the total amount Ralph plans to sell the property for is $145,000. Therefore, we have the equation:

[tex]\displaystyle x+y=145000[/tex] ...(1)

Now let's consider the interest paid annually. The interest paid on the short-term note at 10% is calculated as [tex]\displaystyle 0.10x[/tex], and the interest paid on the long-term note at 8% is [tex]\displaystyle 0.08y[/tex]. The total annual interest paid is given as $13,100. Therefore, we have the equation:

[tex]\displaystyle 0.10x+0.08y=13100[/tex] ...(2)

We now have a system of two equations (1) and (2). We can solve this system to find the values of "x" and "y".

Multiplying equation (2) by 100 to eliminate decimals, we get:

[tex]\displaystyle 10x+8y=1310000[/tex] ...(3)

Now we can solve equations (1) and (3) simultaneously using any method such as substitution or elimination.

Multiplying equation (1) by 10, we get:

[tex]\displaystyle 10x+10y=1450000[/tex] ...(4)

Subtracting equation (3) from equation (4), we can eliminate "x" and solve for "y":

[tex]\displaystyle 2y=140000[/tex]

Dividing both sides by 2, we find:

[tex]\displaystyle y=70000[/tex]

Now substituting the value of "y" back into equation (1), we can solve for "x":

[tex]\displaystyle x+70000=145000[/tex]

Subtracting 70000 from both sides, we have:

[tex]\displaystyle x=75000[/tex]

Therefore, the amount of money Ralph Chase will receive through the short-term note is 75,000 and through the long-term note is $70,000.

100% for the answer

GEOMETRY 50POINTS

FIND THE ANGLE OD DEPRESSION OF THE SLOPE

TYSM​

Answers

Answer:

23.6°

Step-by-step explanation:

The angle of depression, x, is congruent to the bottom right angle of the triangle.

sin x = opp/hyp

sin x = 100/250 = 0.4

x = sin^-1 0.4

x = 23.6°

the population of a certain state can be estimated by the equation p=80.7t+18,312.3, where p represents the population of the state in thousands of people t years since 2010

Answers

The estimated population of the state in the year 2022 is 19,280,700 people.

The given equation represents the population of a certain state as a function of time, where p is the population in thousands of people and t is the number of years since 2010.

The equation is given as p = 80.7t + 18,312.3.

To estimate the population of the state, we substitute the value of t into the equation. For example, if we want to estimate the population in the year 2022 (12 years since 2010), we substitute t = 12 into the equation:

p = 80.7(12) + 18,312.3

= 968.4 + 18,312.3

= 19,280.7.

The estimated population of the state in the year 2022 is 19,280,700 people.

We can estimate the population for any given year by substituting the corresponding value of t into the equation.

It's important to note that the population is given in thousands of people, so we multiply the final result by 1,000 to obtain the population in actual numbers.

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A tour group has $83 to buy train tickets. Each ticket costs $18. How many train tickets can
the group buy?

Answers

The tour group can buy 4 train tickets, with $11 remaining.

This Month
Quality
Productivity
Safety
Engagement
Last Month
Quality
Productivity
Safety
Engagement
ce Scores are based on 100 prant scale,
Great is 80 or stove for a categories
482324R
A
90
79
68
78
A
94
62
70
Group
B
2338-32N
70
58
84
88
B
74
86
76
72
33880*880
96
25
72
92
82
in which performance area are the
groups performing most
consistently compared to last
month?
Quality
Productivity
Associate Engagement

Answers

Group A is performing most consistently in terms of quality and associate engagement compared to last month.

To determine which performance area the groups are performing most consistently compared to last month, we need to compare the scores of each performance area between the two months.

Let's analyze each performance area:

Quality:

For Group A, the quality score increased from 90 to 94, indicating an improvement in quality performance. However, for Group B, the quality score decreased from 74 to 70, indicating a decline in quality performance. Therefore, Group A is performing more consistently in terms of quality compared to last month.

Productivity:

For Group A, the productivity score decreased from 79 to 62, showing a significant decline in productivity performance. Similarly, for Group B, the productivity score decreased from 86 to 58, indicating a notable decline as well. Both groups experienced a decrease in productivity performance, but Group A had a larger decline. Therefore, neither group is performing consistently in terms of productivity compared to last month.

Associate Engagement:

For Group A, the engagement score increased from 68 to 70, suggesting a slight improvement in associate engagement. Conversely, for Group B, the engagement score increased from 76 to 72, indicating a slight decline. Both groups had minor changes in engagement scores, but Group A had a smaller change. Therefore, Group A is performing more consistently in terms of associate engagement compared to last month.

Based on the analysis, Group A is performing most consistently in terms of quality and associate engagement compared to last month. However, neither group is performing consistently in terms of productivity. It is important to address the productivity decline and identify areas for improvement to ensure consistent performance across all categories.

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Akira has 3 cheeses to arrange on a cheese board. She would like to arrange them in a row. In how many different orders can she arrange them?

Answers

Answer:

Step-by-step explanation:

Akira has 3 cheeses to arrange on a cheese board. She would like to arrange them in a row

The number of permutations of n distinct objects is given by n! (n factorial). In this case, Akira has 3 cheeses to arrange in a row. Therefore, the number of different orders she can arrange them is 3! = 6¹⁴.

So Akira can arrange the 3 cheeses in 6 different ways.

what is the percentage of profit of $350 on a $1200 investment​

Answers

The percentage of profit on a $1200 investment resulting in a $350 profit is 29.17%.

The percentage of profit on a $1200 investment that results in a $350 profit can be calculated using the formula:

Percentage of profit = (Profit / Investment) x 100

In this case, the profit is $350 and the investment is $1200. Plugging these values into the formula:

PercThe percentage of profit on a $1200 investment that results in a $350 profit can be calculated using the formula:

Percentage of profit = (Profit / Investment) x 100

In this case, the profit is $350 and the investment is $1200. Plugging these values into the formula:

Percentage of profit = (350 / 1200) x 100

Calculating this expression gives us:

Percentage of profit = 0.2917 x 100 = 29.17%

Therefore, the percentage of profit on a $1200 investment resulting in a $350 profit is 29.17%.

To calculate the percentage of profit, we divide the profit by the investment and then multiply by 100 to express it as a percentage. In this case, the profit is $350 and the investment is $1200. Dividing $350 by $1200 gives us 0.2917. Multiplying this by 100 gives us 29.17%. This means that the profit of $350 represents 29.17% of the initial investment of $1200.entage of profit = (350 / 1200) x 100

Calculating this expression gives us:

Percentage of profit = 0.2917 x 100 = 29.17%

Therefore, the percentage of profit on a $1200 investment resulting in a $350 profit is 29.17%.

To calculate the percentage of profit, we divide the profit by the investment and then multiply by 100 to express it as a percentage. In this case, the profit is $350 and the investment is $1200. Dividing $350 by $1200 gives us 0.2917.

Multiplying this by 100 gives us 29.17%. This means that the profit of $350 represents 29.17% of the initial investment of $1200.

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below is the graph of a trigonometric function it has a maximum point at (-pi , 7.7) and a minimum point at (- 1/3 pi, -6.7)
what is the period of the function? give an exact value

Answers

The period of the trigonometric function is -2π/3.

What is the period of the function?

To determine the period of the trigonometric function based on the given information, we need to consider the pattern of the graph and identify the interval over which it repeats.

Given that the maximum point is at (-π, 7.7) and the minimum point is at (-1/3π, -6.7), we can observe that the graph completes one full oscillation between these two points.

The distance between the maximum and minimum points corresponds to half of the period. Therefore, the full period of the function can be found by doubling this distance.

The distance between (-π, 7.7) and (-1/3π, -6.7) can be calculated as follows:

Δx = -1/3π - (-π) = π/3π - π = -π/3

Since the full period is twice this distance, we multiply by 2:

2 * (-π/3) = -2π/3

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graph the equation y = 2x + 2​

Answers

Answer:

Step-by-step explanation:

When the equation is in the slope intercept form of y = mx + b, you know that the m is the slope and the b is the y-intercept (0, b)

By looking at the equation  y=2x + 2, you can determine that the y-intercept will be at the point (0, 2)  and the slope is 2.

To graph, start with the point of (0, 2) then go up 2 units and to the right 1 unit.  So the next point will be at (1, 4)

You can also, substitute and number in for the x and calculate the y value.   For example, if x is 3, then  y=2(3)+2; y = 8 so the point (3, 8) is on the line.

In the diagram, mDGF = 62x+4. Find mDGF
O-210°
G
D
30x+5
F
E

Answers

The measure of the arc DGF which substends the angle DEF at the circumference of the circle is equal to 190°

What is angle subtended by an arc at the center

The angle subtended by an arc of a circle at it's center is twice the angle it substends anywhere on the circles circumference.

Given that the arc DGF = (62x + 4)°

62x + 4 = 2(30x + 5)

62x + 4 = 60x + 10

62x - 60x = 10 - 4 {collect like terms}

2x = 6

x = 6/2

x = 3

arc DGF = 62(3) + 4 = 190°

Therefore, the measure of the arc DGF which substends the angle DEF at the circumference of the circle is equal to 190°

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pleasee help so disssicult

Answers

When going from left to right, the item goes up, it increases, and when it goes down, it decreases

You read online that a 15 ft by 20 ft brick patio would cost about $2,275 to have professionally installed. Estimate the cost of having a 25 by 26 ft brick patio installed.

Answers

Answer:

$4929

Step-by-step explanation:

I assume the cost is proportional to the area.

15 ft × 20 ft = 300 ft²

25 ft × 26 ft = 650 ft²

650/300 = x/$2275

300x = 650 × $2275

x = $4929

Answer: $4929

What kind of growth model (pattern) is shown in the table?

x
y
1
5
2
25
3
125
4
625
5
3,125

square root
linear
exponential
quadratic

Answers

Answer:

Option C is correct.

The kind of growth model is shown in the table is exponential

Step-by-step explanation:

Exponential growth function is in the form of :    ......[1];   where a is the initial value and b> 0.

Consider any two point from the table:

(1 , 5) and ( 2 , 25)

Substitute these in the equation [1] we get;

        ......[2]

     ......[3]

Divide equation [3] by [2] we have;

Simplify:

Now substitute this value in equation [2] we get;

Divide both sides by 5 we get;

Simplify:

1=a or a = 1

Therefore, the table shown the  exponential growth function y=5^x

¿Cuál es el costo de un plátano si el racimo de 22 plátanos cuesta $23.10?​

Answers

The cost of a single unit is given as follows:

$1.05.

El costo de un plátano es el seguiente:

$1.05.

How to obtain the cost of a single unit?

The cost of a single unit is obtained applying the proportions in the context of the problem.

The cost of 22 units is of $23.10, hence the cost of a single unit is obtained dividing the total cost by the number of units, as follows:

23.1/22 = $1.05.

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In random sampling, the probability of selecting an item from the population is:

Select one:
a. Un-Known
b. One
c. known
d. undefined
e. Un-decided


Note: Answer D is NOT the correct answer. Please find the correct answer. Any answer without justification will be rejected automatically.

Answers

Answer: c. known

Step-by-step explanation:

In random sampling, the probability of selecting an item from the population is known. This probability can be calculated based on the sampling method and the characteristics of the population being sampled. Random sampling ensures that each item in the population has an equal chance of being selected, making the probability of selection known and calculable.

Assume that each circle shown below represents one unit.express the shaded amount as a single fraction and as a mixed number

One fraction :

Mixed number:

Answers

The shape is represented as below

As one fraction = 9/4As a mixed number = 2 1/4

How to represent the figure as a fraction

The figure is of three shapes, the firs two are whole numbers then the last is a fraction.

Adding them results to

shape 1 + shape 2 + shape 3

1 + 1 + 1/4

As one fraction

= 9/4

as a mixed number

= 2 1/4

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X^2+y^2-6x+2y-38>0
Find the center and radius of the circle

Answers

To find the center and radius of the circle x^2+y^2-6x+2y-38>0, we need to first rewrite the equation in standard form by completing the square.

x^2+y^2-6x+2y-38>0

(x^2-6x)+(y^2+2y)-38>0

(x-3)^2-9+(y+1)^2-1-38>0

(x-3)^2+(y+1)^2>48

Now we can see that the equation is in the form (x-a)^2+(y-b)^2=r^2, where (a,b) is the center of the circle and r is the radius.

So the center of the circle is (3,-1) and the radius is sqrt(48), which simplifies to 4sqrt(3).

Simplify the expression to a polynomial in standard form (x^2+3x+3) (-2x^2-x+6)

Answers

The polynomial [tex](x^2 + 3x + 3) * (-2x^2 - x + 6)[/tex] simplifies to [tex]-2x^4 - 7x^3 - 3x^2 + 33x + 18.[/tex]

A polynomial is a mathematical expression consisting of variables, coefficients, and exponents, combined using addition, subtraction, and multiplication operations. It is defined as a sum of terms, where each term consists of a variable raised to a non-negative integer exponent, multiplied by a coefficient.

The general form of a polynomial is:

P(x) = aₙxⁿ + aₙ₋₁xⁿ⁻¹ + ... + a₂x² + a₁x + a₀

To simplify the expression[tex](x^2 + 3x + 3) * (-2x^2 - x + 6)[/tex], we need to perform the multiplication and combine like terms.

First, we multiply each term in the first polynomial by each term in the second polynomial:

[tex](x^2 + 3x + 3) * (-2x^2 - x + 6) = x^2 * (-2x^2 - x + 6) + 3x * (-2x^2 - x + 6) + 3 * (-2x^2 - x + 6)[/tex]

Expanding each term, we get:

=[tex](-2x^4 - x^3 + 6x^2) + (-6x^3 - 3x^2 + 18x) + (-6x^2 - 3x + 18)[/tex]

Now, we combine like terms:

=[tex]-2x^4 + (-x^3 - 6x^3) + (6x^2 - 3x^2 - 6x^2) + (18x + 18x - 3x) + 18[/tex]

Simplifying further:

=[tex]-2x^4 - 7x^3 - 3x^2 + 33x + 18[/tex]

The simplified expression in polynomial standard form is:

-2x^4 - 7x^3 - 3x^2 + 33x + 18

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[tex]\sqrt{x+7}-1=x[/tex]

Answers

Answer:

x = 2

Step-by-step explanation:

Pre-Solving

We are given the following equation:

[tex]\sqrt{x+7} -1=x[/tex], which we want to solve for x.

To do this, we should isolate the square root on one side, then square both sides. We can then solve the equation as normal, but then we have to check the domain in the end for any extraneous solutions.

Solving

Start by adding 1 to both sides.

[tex]\sqrt{x+7} -1=x[/tex]

            +1      +1

________________________

[tex]\sqrt{x+7} = x+1[/tex]

Now, square both sides.

[tex](\sqrt{x+7} )^2= (x+1)^2[/tex]

We get:

x + 7 = x² + 2x + 1

Subtract x + 7 from both sides.

x + 7 = x² + 2x + 1

-(x+7)   -(x+7)

________________________

0 = x² + x - 6

This can be factored to become:

0 = (x+3)(x-2)

Solve:

x+3 = 0

x = -3

x-2 = 0

x = 2

We get x = -3 and x = 2. However, we must check the domain.

Domain

Substitute -3 as x and 2 as x into the original equation.

We get:

[tex]\sqrt{-3+7} -1 = -3[/tex]

[tex]\sqrt{4} -1 = -3[/tex]

2 - 1 = -3

-1 = -3

This is an untrue statement, so x = -3 is an extraneous solution.

We also get:

[tex]\sqrt{2+7} -1 = 2[/tex]

[tex]\sqrt{9}-1=2[/tex]

3 - 1 = 2

2 = 2

This is a true statement, so x = 2 is a real solution.

Our only answer is x = 2.

Help lol please now please help please Please

Answers

Answer:

Step-by-step explanation:

The correct domain for the function y = √x is 0 ≤ x < ∞. The square root function is defined for non-negative real numbers, so x must be greater than or equal to 0 (0 ≤ x) to have a real value for the square root. The domain does not include negative values since the square root of a negative number is not a real number. The notation 0 ≤ x < ∞ represents all values of x that are greater than or equal to 0 and less than positive infinity.

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