please help me.

What is

System components in mathematics involves the study of equations and their solutions, shapes and their properties, rate of change and area under a curve, angles and their relationships, and the properties of numbers.

1. Algebra: This is the study of equations and their solutions, as well as the manipulation of symbols and operations.

2. geometry: This involves the study of shapes and the properties of space, such as angles and distances.

3. Calculus: This involves understanding the rate of change of a function and the area under a curve.

4. Trigonometry: This involves the study of angles and their relationships to one another and to other types of measurements.

5. Number Theory: This involves the study of the properties of numbers, such as divisibility, primes, and multiplicative functions.

System components in mathematics involves the study of equations and their solutions, shapes and their properties, rate of change and area under a curve, angles and their relationships, and the properties of numbers.

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The match from the simplified answer are;

1. 3x³ + 2x + 10

2. 2x² - 4x + 7

3. 3x³ -6x² - 2x + 7

4. 7x³ + 6x² -4x + 7

Algebraic expressions are described as expression that is composed of factors, constants, variables, terms and coefficients.

These algebraic expressions are also composed of mathematical operations, such as;

From the information given, we have that;

(3x³ + 10x² + 2x) - (10x² + 7x - 10)

expand the bracket

3x³ + 2x + 10

(7x² -12x + 4) - (5x² - 8x -3)

expand the bracket

2x² - 4x + 7

(5x³ - 3x + 7) - (2x³ + 6x² -x )

expand the bracket

3x³ -6x² - 2x + 7

(5x³ -3x + 7) +(2x³ +6x² - x)

expand the bracket

7x³ + 6x² -4x + 7

Hence, the expressions are 3x³ + 2x + 10, 2x² - 4x + 7, 3x³ -6x² - 2x + 7 and 7x³ + 6x² -4x + 7

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The airspeed of each plane if 2 hours after the first plane departs the planes are 3200 kilometers apart.

speed of the first plane=1040km/hour

speed of the second plane=1120km/hour

Two planes start from Los Angeles International Airport and fly in opposite directions. The second plane starts 1 hour after the first plane, but its speed is 80 kilometers per hour faster. Find the airspeed of each plane if 2 hours after the first plane departs the planes are 3200 kilometers apart.

Make a system to solve.

let x=speed of the first plane

x+80=speed of the second plane

distance=speed*travel time

travel time of first plane=2 hour

travel time of second plane=1 hour

2x+1(x+80)=3200

2x+1x+80=3200

3x=3120

x=1040

x+80=1120

The airspeed of each plane if 2 hours after the first plane departs the planes are 3200 kilometers apart.

speed of the first plane=1040km/hour

speed of the second plane=1120km/hour

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A = P(1+r/n)(nt), where P is the original principal, r is the annual interest rate, n is the number of times the interest is compounded annually, and t is the number of years the money has been held, is the formula for compound interest.

To calculate the final amount of money in the account:

 First, divide the 8% annual interest rate by 100 to get a decimal value: 0.08.

Find the number of times the interest is compounded annually. Since it is done quarterly, the answer is n = 4.

Put these values into the formula now, along with the $1200 principle sum and the number of years, 5, to complete it:

A = $1200(1+(0.08/4))^(4*5) = $2490.07

  to determine how long it will take for the initial sum to double to $2400.

 Divide the final sum by the starting sum: 2400/1200 = 2

 Take the natural logarithm of 2: ln(2) = 0.693

Decimalize the result and divide it by the interest rate: 0.693 / 0.08 = 8.66 years

 Therefore, the time it will take for the initial sum of money to double to $2400 is 8.66 years.

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Null Hypothesis: The jeeps have an mpg rating of 34.9

Alternative Hypothesis: The jeeps have an mpg rating that is less than 34.9

Calculate the test statistic.

Test Statistic = (Sample Mean - Population Mean) / (Standard Deviation / √Sample Size)

Test Statistic = (34.6 - 34.9) / (2.0 / √16)

Test Statistic = -1.5 / 0.5

Test Statistic = -3

Calculate the critical value.

Critical Value = -2.960 Compare the test statistic with the critical value

Test Statistic = -3

Critical Value = -2.960

Since the test statistic is lower than the critical value, we reject the null hypothesis.

Make a conclusion The jeeps have an mpg rating that is less than 34.9

At the 0.025 level, there is enough proof to conclude that Jeeps do not get the claimed mpg.

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The area of the surface is  S = [tex]\frac{-4}{15}(-1+8\sqrt{2}-9\sqrt{3} )[/tex]

Now, According to the question:

The given equation is:

[tex]z = \frac{2}{3}(x^\frac{3}{2}+y^\frac{3}{2} )[/tex],

0 ≤ x ≤ 1 , 0 ≤ y ≤ 1

Let's know:

Surface Area:

To surface area of a solid E, defined by z = f(x , y) can be found by integrating[tex]\int\limits \int\limits_R \sqrt{(z_x)^2+(z_y)^2+1},dA[/tex] where R is the rectangular region

[0,1] × [0, 1] and [tex]z_x,z_y[/tex] corresponds to the partials of z w.r.t x and y.

Now,

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

S = [tex]\int\limits \int\limits_R \sqrt{(z_x)^2+(z_y)^2+1},dA[/tex]

  = [tex]\int\limits^1_0\int\limits^1_0 \sqrt{x+y+1}dy dx[/tex]

  [Integrate with respect to y ]

    =  [tex]\int\limits^1_0 (\frac{2}{3}(x + y + 1)^\frac{3}{2} )|^1_0 dx[/tex]                        

  = [tex]\int\limits^1_0 (\frac{2}{3}(x + (1) + 1)^\frac{3}{2}-\frac{2}{3}(x + (0) + 1)^\frac{3}{2} )dx[/tex]

 = [tex]\int\limits^1_0 ((\frac{2}{3}(x +2)^\frac{3}{2} ) - (\frac{2}{3}(x +1)^\frac{3}{2} ) , dx[/tex]

  =  [tex]\int\limits^1_0 (\frac{2}{3}((x +2)^\frac{3}{2} - (x +1)^\frac{3}{2} )) , dx[/tex]

  [Integrate with respect to x ]

   = [tex]\frac{2}{3} (\frac{2}{5}(x + 2)^\frac{5}{2} - \frac{2}{5}(x +1)^\frac{5}{2} )|^1_0[/tex]

    = [tex]\frac{2}{3}(\frac{2}{5}((1)+2 )^\frac{5}{2}-\frac{2}{5}((1)+1)^\frac{5}{2})-\frac{2}{3}(\frac{2}{5}((0)+2 )^\frac{5}{2} -\frac{2}{5}((0)+1)^\frac{5}{2}[/tex]

    = [tex]\frac{2}{3}(\frac{18\sqrt{3}}{5} -\frac{8\sqrt{2} }{5} )-\frac{2}{3} (\frac{8\sqrt{2} }{5} -\frac{2}{5} )[/tex]

     = [tex]\frac{-4}{15}(-1+8\sqrt{2}-9\sqrt{3} )[/tex]

Hence, The area of the surface is  S = [tex]\frac{-4}{15}(-1+8\sqrt{2}-9\sqrt{3} )[/tex]

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The absolute value is also called a modulus.

The absolute value (or modulus) | x | of a real number x is the non-negative value of x without regard to its sign, also describes the distance from zero that a number is on the number line, without considering direction.

It is represented as |a|, which defines the magnitude of any integer ‘a’.

Absolute value is a term used in mathematics to indicate the distance of a point or number from the origin (zero point) of a number line or coordinate system.

it defines removing any negative sign in front of a number and thinking of all numbers as positive.

When x itself is negative (x<0), then its absolute value is necessarily positive

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Answer:

it would be the 3rd one I did this in middle school

Step-by-step explanation:

pls give brainly if It's right

Graphs, tables and equations that  can be used to find the ratio and the ratio is not constant when the relationship is non-proportional  explanation is given below

let us consider the , The graph of a linear equation is a line.

then , If b = 0 in a linear equation (so y = mx), then the equation is said to be proportional linear relationship between y and x.

If b ≠ 0, then y = mx + b is said to be  non-proportional linear relationship between y and x.

If we are able to draw a straight line through all three points and the line that passes through the origin, (0, 0), in an  ordered pairs which  represents a proportional relationship. in which the Solution to the points on the graph that  represent a proportional relationship. Such that the ordered pairs in the table represent a proportional relationship .Non-Proportional: How to tell the difference: A proportional graph is a straight line that always goes through the origin. A non-proportional graph is a straight line that does not go through the origin. As that of  adjectives the difference between proportional and  which is equal to  that proportional is at a constant ratio (to) two magnitudes (numbers) are said to be proportional if the second graph  varies in a direct relation arithmetically , the first while equal which is (label) the same as  in all respects.

The Difference in the  Proportional and linear functions are almost identical in their representation  form. The only difference is the addition of the “​b​” as constant to the linear function. Indeed, which is  a proportional relationship to a linear relationship where ​b​ = 0, or also said in an another way, in which the  line passes through the origin (0, 0).

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Answer:

22

Step-by-step explanation:

All sides of a rhombus are congruent.

[tex]11w=w+20 \\ \\ 10w=20 \\ \\ w=2 \\ \\ \implies VW=2(11)=22[/tex]

..................false

On solving the provided question, we can say that the value of the function is f(x) =  => f(x) = vf(x,y) = (x² + y²) = (x² + y²),

The subject of mathematics includes quantities and their variations, equations and related structures, shapes and their locations, and places where they can be found. The term "function" refers to the relationship between a set of inputs, each of which has an associated output. A connection between inputs and outputs in which each input leads to a single, distinct result is known as a function. Each function is given a domain and a codomain, or scope. Usually, f is used to denote functions (x). input is an x. There are four main types of functions accessible. based on the following factors: on functions, one-to-one functions, many-to-one functions, inside functions, and on functions.

here, the function is f(x) =

f(x) =

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If sixteen teams compete, the winner will be decided after 15 games.

Since there are 16 teams and each team is playing with some of the other, there are 16/2 =8 pairs

Out of each pair only one team will move on.

So, there are 8 teams left after the first round.

These 8 teams pair up to have 8/2 =4 pairings

Continuing this process, we get the total number of games played to determine the winner is,

8+4+2+1=15

Each game's losing team gets eliminated from the tournament. If sixteen teams participate, the winner will be decided after 15 games.

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Answer:

1. Pt. A: -6               3. Pt. C: 3               5. Pt. E: 0

2. Pt. B: -2              4. Pt. D: 5

Step-by-step explanation:

By looking at the number line, you can see that a few points are labled from letter A to letter E.

In order to know the value of each point, you just have to look at their placement in the number line. For example, we can see that Point B is plotted at -2 on the number line, this means that the value of Point B is -2.

I hope this helps! :)

Random mean assignment involves randomly assigning participants to different groups, so that each group is similar in terms of characteristics such as age, gender, race, etc. This ensures that the groups are as similar as possible, reducing the chance of bias in the experiment.

Random mean assignment is an important procedure used in experiments to reduce experimenter and participant bias. This involves randomly assigning participants to different groups in the experiment, so that the groups are as similar as possible in terms of characteristics such as age, gender, race, etc. This ensures that any differences observed in the results are due to the experimental variables, rather than any pre-existing differences between the groups. Random assignment also ensures that any experimenter bias is minimized, as the experimenter is not able to select which participants go into which group. Random assignment is therefore a key procedure used to reduce the chance of bias in experiments, and ensure that the results are more reliable and valid.

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Answer:

isjsjdjejejrjebdkxn nsksksnenmdnxee nu pot snndnsnenenene

Jaidee's printing company LLC has 8 of Model A and 5 of Model B press, respectively.

We can find each type of press with the help of the substitution method.

Let Model A = x presses

Model B = y presses

According to the question, the company owns 13 total printing presses, then

x + y = 13

x = 13 - y

Also, according to the question

80x + 30y = 790

Put the value of x = 13 - y in the above equation

80(13 - y) + 30y = 790

1040 - 80y + 30y = 790

1040 - 790  = 80y - 30y

50y = 250

y = 250/50 = 5

Now, put the value of y in x = 13 - y

x = 13 - 5

x = 8

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Answer: total cost of an international call with a duration of 10 minutes is 5.70 dollars.

Step-by-step explanation:

The expression 2.20 +0.35x represents the total cost of an international call in dollars, as a function of the duration x in minutes.

It is composed of two parts:

The first part, 2.20$, represents the fixed cost of making an international call. This cost does not change regardless of the duration of the call.

The second part, 0.35x$, represents the variable cost of the call, which is based on the duration of the call in minutes. This cost increases with the duration of the call.

When x=10, it means the duration of the call is 10 minutes, so the variable cost of the call would be 0.35*10 = 3.5$

Therefore, the total cost of the international call with a duration of 10 minutes is 2.20 + 3.5 = 5.7$

It's important to notice that this equation represents the total cost of the call not just the variable cost, but also the fixed cost.

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Answer:

y = 3x + 1

Step-by-step explanation:

the equation of a line in slope- intercept form is

y = mx + b ( m is the slope and b the y- intercept )

calculate m using the slope formula

m = [tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex]

with (x₁, y₁ ) = (0, 1) and (x₂, y₂ ) = (1, 4) ← 2 points on the line

m = [tex]\frac{4-1}{1-0}[/tex] = [tex]\frac{3}{1}[/tex] = 3

the line crosses the y- axis at (0, 1 ) ⇒ c = 1

y = 3x + 1 ← equation of line

The value of x is: x=88.

Here, given that, 36% of the letters in Pythagoras's alphabet soup are vowels.

33 1/3% of those vowels are "os."

To calculate the percentage of letters that are "os," we first need to find 33 1/3% of 36%.

33 1/3% is equivalent to 1/3. So, we can calculate the percentage of "os" as follows:

Percentage of "os" = (36% * 1/3) = 12%

Now, we know that 12% of the letters in the soup are "os."

Next, Pythagoras removes all the "os" from his soup.

This means that what remains are the non-"os" letters, which are the remaining vowels and consonants.

To calculate the percentage of the original letters that remain, we need to subtract the percentage of "os" from 100%:

Percentage of original letters remaining = 100% - Percentage of "os"

Percentage of original letters remaining = 100% - 12% = 88%

Therefore, x% of the original letters remain, and x is equal to 88.

Hence, The value of x is: x=88.

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Answers to all the questions form 1 to 10 are illustrated below.

The circumference of a circle is the distance around the circle which is 2πr.

The diameter of a circle is the largest chord that passes through the center of a circle it is 2r.

We know the angle formed at the center of a circle is twice the angle formed at the circumference.

Answering each one in short.

1. x = 136/2 = 68°.

2. x = 146/2 = 73°.

3. x = 2×49 = 98°.

4. x = 2×62° = 124°.

5. As m∠O = 100°, x = 100/2 = 50°.

6. m∠O = 360 - 100 - 150 = 110°, x = 110/2 = 55°.

We know the angle formed by the same chords at the circumference is equal in measure.

7 . x = 18°.

8. x = 27°.

9. x = 180 - 55 - 90 = 35°.

10. x = 180 - 12 - 91 = 77°.

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John has 5 red balls and 8 blue balls. What is the ratio of red balls to blue balls? Answer: The ratio of red balls to blue balls is 5:8.

We can solve this problem by using a ratio. Ratios are two values that are compared to each other. In this case, we need to compare the number of red balls to the number of blue balls. We are given that there are 5 red balls and 8 blue balls. To find the ratio, we need to write the numbers as a fraction. The fraction for red balls is 5/8 and the fraction for blue balls is 8/5. We can then simplify the fractions to get the ratio of 5:8. This means that there is a ratio of 5 red balls to 8 blue balls.

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The new store will have a profit of $3400 after its third month in business.

The correct option is D.

For variable x : ax² + bx + c = 0, where a≠0 is a standard quadratic equation, which is a second-order polynomial equation in a single variable. It has at least one solution since it is a second-order polynomial equation, which is guaranteed by the algebraic basic theorem.

Given:

George has opened a new store, and he is monitoring its success closely.

He has found that this store’s revenue each month can be modeled by r(x)=x²+5x+14 where x represents the number of months since the store opens the doors and r(x) is measured in hundreds of dollars.

He has also found that his expenses each month can be modeled by c(x)=x²−3x+4 where x represents the number of months the store has been open and c(x) is measured in hundreds of dollars.

(r−c)(x) = x²+5x+14 -x²+3x-4

(r−c)(x) = 8x+10

(r−c)(3) = 24+10 = 34 in hundreds of dollars.

Therefore, the new store has profit of $3400.

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The object will travel 639.36 yards in one minute.

Formula: Yards = Feet x 0.3333

The question is asking how many yards an object will travel in one minute when it is moving at a constant rate of 32 feet per second.

We can use the formula above to calculate the number of yards the object will travel in one minute. We know that the object is traveling at a rate of 32 feet per second.  To find the number of yards traveled in one minute, we need to multiply 10.6667 yards per second by 60 seconds in a minute. Therefore, in one minute (60 seconds), the object will travel 32 x 60 = 1920 feet. We can now use the formula to convert this to yards: Yards = 1920 x 0.3333 = 639.36 yards. Therefore, the object will travel 639.36 yards in one minute.

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Answer:

Step-by-step explanation:

Cross multiply

(2x + 6 + 2x)/(x² + 3x) = 1

(4x + 6) = x² + 3x

x² - x - 6 = 0

x² - 3x + 2x - 6 = 0

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

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

x = -2,3

Answer:

See attachment.

Step-by-step explanation:

If CD and MB are parallel, triangle CDE is similar to triangle MBE.

In similar triangles, corresponding sides are always in the same ratio.

[tex]\implies \sf CD:MB=DE:BE=EC:EM[/tex]

From inspection of the given diagram, EM is approximately 0.35 times the length of EC.  Therefore, let EC = 10 and EM = 3.5.

The sum of the lengths of any two sides of a triangle must be greater than the length of the third side.

Therefore, let CD = 7 and let DE = 12.

Substitute these values into the created ratio equation:

[tex]\implies \sf 7:MB=12:BE=10:3.5[/tex]

[tex]\implies \sf \dfrac{7}{MB}=\dfrac{12}{BE}=\dfrac{10}{3.5}[/tex]

Calculate BE:

[tex]\implies \sf \dfrac{12}{BE}=\dfrac{10}{3.5}[/tex]

[tex]\implies \sf \dfrac{12 \cdot 3.5}{10}=BE[/tex]

[tex]\implies \sf BE=4.2[/tex]

Calculate MB:

[tex]\implies \sf \dfrac{7}{MB}=\dfrac{10}{3.5}[/tex]

[tex]\implies \sf \dfrac{7 \cdot 3.5}{10}=MB[/tex]

[tex]\implies \sf MB=2.45[/tex]

Therefore:

[tex]\implies \sf CM=EC-EM[/tex]

[tex]\implies \sf CM=10-3.5[/tex]

[tex]\implies \sf CM=6.5[/tex]

[tex]\implies \sf DB=DE-BE[/tex]

[tex]\implies \sf DB=12-4.2[/tex]

[tex]\implies \sf DB=7.8[/tex]

Answer:

600,000

Step-by-step explanation:

The mathematical concept demonstrated in this question is the process of exponential growth. Exponential growth demonstrates an increase in quantity by a percentage or factor over time. It is represented by the general formula [tex]f(x) = a(1+r)^{x}[/tex] where a is the initial amount, r is the growth rate, and x is the time interval expressed as an integer.

For this problem, we can see that the initial population of the town is 345,000, and it increases by a rate of 20% each year. We can determine that the growth rate is 20% because 1 + r = 1.2, so r must be equal to .20 (or 20%). We are given that t = 3, so we can plug that value in to the function given.

We calculate the population in 3 years to be 596,160. This can be approximated to 600,000.

Answer:  x(2 - xy² - y - y²)

              ---------------------------

                             y²

Step-by-step explanation:

Please give brainliest

x(2 - xy² - y - y²)/y² is the answer

Answer:

(I'm not exactly sure which way you wanted it, so see the answers below!)

Step-by-step explanation:

The area of trapezoid ABCD is 98 square units.

Based on the data given, The area of  ΔDBA  = area of  ΔADE  + area of ΔABE  = 20 + 50  = 70. So  

area of Δ DBA  = 0.5 sin DBA (AB x DB)  = 70

sin DBA = 140 / ( AB x DB)

sin DBA = sin CDB

The area of  ΔCDB  would be 0.5 sin (DBA) (DB x DC)  

The area of  ΔCDB = 0.5 (140 / [(AB x DB] ) (DB x DC)

The area of  ΔCDB = 70 (DC/AB)  = 70 ( DE /BE)

The area of ΔAEB  would be 0.5 sin AEB ( AE * BE)

The area of ΔAEB = 50  (1)

Area Δ ADE  would be 0.5 sin DEA (AE * DE)  

Area Δ ADE  = 20  (2)

Because of  angle AEB  is  supplemental to angle DEA, their sines are equal. So  

sin AEB  = sin DEA

Let rearranging (1), (2). So we will have

sin AEB  =   sin DEA

100 / [ AE * BE] = 40 / [ AE * DE ]

DE / BE  = 40/100  = 2/5

Since area of ΔCDB  equal to  70 (DE / BE) then

ΔCDB = 70 (2/5)  =  28

So...area of trapezoid ABCD  = area of ΔDBA  + area of ΔCDB  

area of trapezoid ABCD =  70 + 28 = 98  

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