how many inflection points can a (a) quadratic polynomial have? (b) cubic polynomial have? (c) polynomial of degree n have?

Examples of linear equations are 2x - 3 = 0, 2y = 8, m + 1 = 0, x/2 = 3, and 3x - y + z = 3.

A linear equation is an algebraic equation of the form y = mx + b, where m is the slope and b is the y-intercept, and only a constant and a first-order (linear) component are included. Above is sometimes referred to as a "linear equation of two variables," where variables y and x are.

The three primary forms of linear equations are point-slope, standard, and slope-intercept.

Linear equations are a key tool in science that have several real-world applications. They enable researchers to compute rates, define relationships between two variables in the physical world, and make predictions. Linear equations are frequently graphed to identify patterns.

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Answer:

94°

Step-by-step explanation:

Interior angles:

m<C = 49°

m<D = ?

Angles CBD and CBY are supplementary.

m<CBD = 180° - 143° = 37°

m<C + m<D + m<CBD = 180°

49° + m<D + 37° = 180°

m<D = 94°

The correct answer is 'the projected misstatement of this sample was $6,000.'

An auditor cannot obtain absolute assurance that material misstatements in the financial statements will be find out.

The purpose of intentional misstatements or omissions of amounts or disclosures in financial statements is to deceive the users of financial statements. These misstatements result from fraudulent financial reporting.

Misstatements arising from the misappropriation of assets (sometimes referred to as defalcation) involve the theft of an entity's assets where the effect of the theft causes the financial statements not to be represented in conformity with generally accepted accounting principles.

The risk of a material misstatement of the financial statements as a result of fraud should be expressly assessed by the auditor, and the audit processes should be designed with that judgement in mind.

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Answer:

1176 oz of drink

Step-by-step explanation:

112 * 4 = 448

112 * 3 = 336

112 * 2.5 = 280

112 * 1 = 112

They were based on four key areas

1) Representation,

2) Reasoning and Proof

3) Communication,

4) Problem Solving,

1) Representation:

Students are being challenged to present a mathematical concept in multiple ways. There are five different ways to depict thought:

1) Plaything models

2) Still images

3) Printed signs

4) Verbal/written communication

5) actual circumstances or settings

2) Reasoning and Proof:

The habit of reasoning should serve as a backdrop for the development of key mathematical concepts. Asking questions is the key! Why not? Invite students to make conjectures and then to develop, improve, and assess them since mathematics includes discovery. Additionally, let pupils investigate and articulate their own logic. It's frequently beneficial to expand on what kids already know while teaching them.

Students can use technology and manipulatives to solve problems and test their hypotheses at this point.

3) Communication:

Both a method of transmission and a part of what it means to "do" mathematics, communication in mathematics encompasses both. Teachers must create a safe space where students can attempt to share their ideas in the beginning. Since kids don't naturally communicate in math, teachers must be patient while they learn to do so.

4) Problem solving:

Mathematical problem solving is defined as "participating in a task for which the solution approach is not known beforehand. Students must employ previously learned information to create a solution, and by doing so, they obtain new mathematical understandings. Problem-solving exercises ought to be a regular element of math classes. Problems can be derived from real-world applications and experiences.

Hence we get the required answer.

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Sum of logarithm is [tex]\left(\log _3(5)+\log _3(a)\right) b$$[/tex]

The exponent or power that must be added to a base to produce a given number is called the logarithm. If bx = n, then the mathematical expression for x is x = logb n, where x is the logarithm of n to the base b.

For instance, since 23 = 8, 3 is the logarithm of 8 in base 2, or 3 = log2 8. In a similar manner, since 102 = 100, 2 = log10 100. Those of the latter type (base 10-based logarithms) are referred to as common, or Briggsian, logarithms and are denoted by the letter log n.

The time needed to multiply numbers with many digits was significantly reduced thanks to the development of logarithms in the 17th century, which was done to speed up calculations.

Simplifying [tex]$\log _3(5 a) b: \quad\left(\log _3(5)+\log _3(a)\right) b$$\log _3(5 a) b$[/tex]

[tex]\log _3(5 a) b[/tex]

Simplifying we get

[tex]$\log _3(5 a): \quad \log _3(5)+\log _3(a)$$$=\left(\log _3(5)+\log _3(a)\right) b$$[/tex]

Therefore the sum of logarithm is [tex]\left(\log _3(5)+\log _3(a)\right) b$$[/tex]

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Amount invested at rate 8% is, $5060.

Amount invested at rate 2% is, $4260.

What is addition method?

Using the Addition Method to Solve Systems of Equations in Two Variables. The addition approach, often known as the elimination method, is a third strategy for resolving linear equation systems. With this approach, we combine two components that share the same variable but have opposing coefficients, resulting in a sum of zero.

Let,  money is invested at two rates of interest.

One rate is 8% and the other is 2%.

There is $800 more invested at 8 % than at 2 %.

Total annual interest received is $490.

Let x = amount invested at 8 % and

y = amount invested at 2 %.

So,

x - y = 800                    ..(1)

0.08x + 0.02y = 490        ..(2)

Multiply equation (1) by -8 and equation (2) by 100

-8x + 8y = -6400            ..(3)

8x + 2y = 49000           ..(4)

Adding equation (3) and (4)

(-8x + 8y) + (8x + 2y) = -6400 + 49000

                           10y = 42600

                               y = 4260

Plug y = 4260 in equation (1)

x - 4260 = 800

           x = 800 + 4260

           x = 5060

Hence, amount invested at 8% = $5060.

amount invested at 2% = $4260.

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Answer:

1.72

Step-by-step explanation:

Let's solve the problem,

→ 18.92/11

→ 18.92 ÷ 11

→ 1.72

Hence, answer is 1.72.

The number of tables is 100 and the number of chairs purchased is 800.

Given,

In the question:

To furnish a cafeteria, a school can spend $5200 on tables and chairs. Tables cost $200 and chairs cost $40. Each table will have 8 chairs around it.

To write and solve a system of equations for x and y and how many tables and chairs will the school purchase?

Now, According to the question:

We need to form an equation from this given information and solve it for x to find the number of tables and chairs that the school will purchase.

The number of tables is x, so number of chairs is 8x

Total cost of tables=200x

Total cost of chairs=40 × 8x=320x

Total expenditure=200x + 320x=520x

520x = 5200

x = 100

Therefore, the number of tables is 100 and the number of chairs purchased is 800.

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The number of minutes Felipe should leave the bottle of water in the cooler is 27.7 minutes

From the question, we have the following function that can be used in our computation:

C(t) = 10 + 12e⁻⁰°⁰²⁵ˣ

Where:

Also from the question, we understand that Felipe wants to drink the water when it reaches a temperature of 16 degrees Celsius

This means that

C(t) = 16

Substitute C(t) = 16 in the above equation, so, we have the following representation

10 + 12e⁻⁰°⁰²⁵ˣ = 16

Evaluate the like terms

12e⁻⁰°⁰²⁵ˣ = 6

Divide both sides by 12

e⁻⁰°⁰²⁵ˣ = 0.5

Take the natural logarithm of both sides

-0.025t = ln(0.5)

So, we have

-0.025t = -0.693

Divide

t = 27.72

Approximate

t = 27.7

Hence, the number of minutes is 27.7 minutes

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The probability that the mean time for the sample of 150 returns for this year is greater than 92 is 0.95907

Given,

Mean, [tex]\overline x[/tex] = 90 minutes

standard deviation, [tex]\sigma[/tex] = 14 minutes

to find probability that mean for sample 150 returns is greater than 92, [tex]P(\overline x > 92)[/tex]

This means we need to find probability the related z-value of expected mean

where, [tex]z=\frac{\overline x-\mu_x}{\sigma_x}[/tex]

Here,

[tex]\mu_x[/tex]= expected mean =92

[tex]\sigma_x[/tex]=standard deviation for new sample i.e. 150

[tex]\sigma_x[/tex] can be calculated by formula,

[tex]\sigma_x=\frac{\sigma}{\sqrt{n}}\\\\\sigma_x=\frac{14}{\sqrt{150}}\\\\\sigma_x=1.143[/tex]

Now,

[tex]z=\frac{90-92}{1.143}\\\\z=-1.749[/tex]

Now,

[tex]P(\overline x > 92)\\\\=P(z > -1.749)\\\\=1-P(z < -1.749)\\\\=1-0.04093\\\\=0.95907[/tex]

In above calculation, the z-value is  determined from the z-table.

Thus, the probability that mean is greater than 92 is 0.95907

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Your question is incomplete, please complete the question.

Answer:

36 different salads can be ordered

Step-by-step explanation:

The sum of integers is: S = n(a + l)/2

Integer numbers are those without fractional or decimal parts. When there are fewer numbers to add, it is possible to determine the sum of integers using basic mathematics. However, we employ the sum of integers formula if we need to add multiple consecutive integers at once. Our computations are made easier, and the amount of time we spend adding is reduced.

The sum of an arithmetic sequence's n terms is what is meant by the sum of integers formula. The formula for the sum of integers is:

S = n(a + l)/2

where,

S = sum of the consecutive integers

n= number of integers

a= first term

l = last term

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Answer:

18.75

Step-by-step explanation:

"Of", in math, typically denotes multiplication, which means we multiply 75% and 25 to find "75% of 25":

75% = 0.75

0.75 * 25 = 18.75

The total number of ways to line up 12 people are 479,001,600.  

We have 12 members of wedding party. We need to make arrangements for 12 people to line up for a photograph.

If we have total n objects and we need to arrange r objects then it can be done in [tex]^nP_r[/tex] ways which is equivalent to =(n!/(n-r)!)

Now, here we have 12 members for photograph, we are free to choose any of members from 12 members.

So, this can be done in [tex]^1^2P_1_2[/tex] ways which is equivalent to =(12!/(12-12)!)=12!/0!

We know that 0!=1

Therefore,12!/0!=12!=479,001,600

Hence, total number of ways are 479,001,600.

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The equation of the line having equal intercepts on the axes is:

13x+13y=6.

Given:

the straight lines are:

4x-7y-3 and 2x-3y+1

we are asked to determine the equation of the straight line passing through the point of intersection of the lines 4x-7y-3 and 2x-3y+1 and cut with the equal intercept on the axes.

Let the equation of the line having equal intercepts on the axes be

x/a + y/a =1

x + y = a ... eq(1)

On solving equation 4x-7y-3 and 2x-3y+1 we obtain x = 1/13 and y = 5/13.

{1/13,5/13} is the point of intersection of the two given lines.

Since equation (1) passes through point {1/13,5/13}

{1/13+5/13} = a

⇒ a = 6/13

∴ Equation (1) becomes x+y=6/13

⇒ 13x+13y=6

Thus the required equation of the line is 13x+13y=6.

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Your question is incomplete. Please find the missing content here.

Find the equation of the line passing through the point of intersection of the lines 4x-7y-3 and 2x-3y+1  that has equal intercepts on the axes.

Answer:

6 + [tex]\frac{3}{y}[/tex]

Step-by-step explanation:

"Sum of" means "this number plus whatever follows." In other words: 6 + ?.

"The quotient of 3 and a number" means 3 divided by said number, so:

6 + 3/x

The third side of the triangle whose two sides are 11 cm and 19 cm can be between 9 and 29.

A triangle is a geometric figure with three edges, three angles and three vertices. It is a basic figure in geometry.

The sum of the angles of a triangle is always 180°

Given that,

The sides of triangles are 11 cm and 19 cm,

Let the third side of the triangle is x,

Since, a side of a triangle is greater than the difference of two sides and less than the sum of two sides,

implies that,

19-11<x<19+11

8 < x < 30

The possible range of third side is (9,29).  

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Answer:

8cm < x < 30cm

Step-by-step explanation:

To find the range of lengths for the third side of a triangle when two side lengths are known, first, assign a variable for the length of the third side.

Let x be the length of the unknown side.

Use the Triangle Inequality Theorem to write the three inequalities.

x + 11x > 19

x + 19 > 11

11 + 19 > x

Solve each inequality.

x > 8

x > -8

30 > x

Now find the range of values that satisfies all three inequalities.

The range between 8 and 30 satisfies all 3 inequalities. Therefore, this triangle's third side lengths range is 8cm < x < 30cm.

Thus, the minimum time taken for a car from start to end of the assembly unit is 14.

Algorithm for assembly line scheduling using dynamic programming:-

1. We need following parameter:

· S[i,j]: The jth station on ith assembly line

· a[i,j]: Time required at station S[i,j], because every station has some dedicated job that needs to done. · e[i]: Entry time of product on assembly line i [here i= 1,2] · x[i]: Exit time from assembly line i· t[i,j]: Time required to transit from station S[i,j] to the other assembly line.

2. Further in dynamic programming we have to ways to do so:

· Reach station S1j from S1,j-1 (same assembly line).

· Reach station S1j from S2,j-1 (switch from second assembly line).

3. Calculate minimum time to leave.

4. After that find the minimum time to leave the previous two stations.

5. Then combining it with the time spent on station.

6. calculate the leaving time of previous stations.

7. Finally, we need two tables to store the partial results that are calculated for each station in an assembly line.

Example:- a = [[5,4,3], [2,3,7]], t = [[0,2,2], [0,1,1]]

e1 = 3, e2 = 2

x1 = 3, x2 = 4

T1[0] = e1 + a[0][0] = 3+5 = 8

T2[0] = e2 + a[0][1] = 2+2 = 4

T1 = [8, 0, 0]

T2 = [4, 0, 0]

i = 1

T1[1] = min(T1[1-1] + a[0][1], T2[1-1] + t[1][1] + a[0][1])

= min(8+4, 4+1+4) = min(12,9)

T1[1] = 9

T2[1] = min(T2[1-1] + a[1][1], T1[1-1] + t[0][1] + a[1][1])

= min(4+3, 8+2+3) = min(7,13)

T2[1] = 7

T1 = [8, 9, 0] T

2 = [4, 7, 0]

i = 2

T1[2] = min(T1[2-1] + a[0][2], T2[2-1] + t[1][2] + a[0][2])

= min(9+3, 7+1+3) = min(12,11)

T1[2] = 11

T2[2] = min(T2[2-1] + a[1][2], T1[2-1] + t[0][2] + a[1][2])

= min(7+7, 9+2+4) = min(14,15)

T2[2] = 14​

T1 = [8, 9, 11]

T2 = [4, 7, 14]

ans = min(T1[n-1]+x1, T2[n-1]+x2)

= min(11+3, 14+4) = min(14, 18)

ans = 14

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the closest estimate of the words he would type in that hour is 3180 at this rate.

Given,

rate of 742/14 units

The unit rate will come out to be 53,

then multiply by 60 since there are often 60 minutes in an hour. So the answer is 3180

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The green ornaments that Peter remove from the box will be; 30

Probability refers to a possibility that deals with the occurrence of random events. The probability of all the events occurring need to be 1.

We are given that box of 120 holiday ornaments, 75% are green and the rest are red.

Therefore, 120 ornaments = 100%

75% are green = 75% of 120

0.75 x 120 = 90

And the rest are red means

120 - 90 = 30

Peter removes green ornaments from the box until only 60% of the ornaments in the box are green that means;

60% of 90

0.60 x 90 = 54

Then the green ornaments that Peter remove from the box will be; 30

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The solution to the system of linear equation is (x, y) = (6, 2)

What in mathematics is a linear equation?

3x - 2y = 14 (1)

3x - 2y = 14 (1)5x + y = 32 (2)

From (2)

y = 32 - 5x

Substitute y = 32 - 5x into (1)

3x - 2y = 14 (1)

3x - 2(32 - 5x) = 14

3x - 64 + 10x = 14

13x = 14 + 64

13x = 78

x = 78/13

x = 6

Substitute x = 6 into (2)

5x + y = 32 (2)

5(6) + y = 32

30 + y = 32

y = 32 - 30

y = 2

(x, y) = (6, 2)

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The complete question is -

What is the solution to this system of linear equations? 3x – 2y = 14 5x + y = 32 (3, 5) (6, 2) (8, –1) (14, –18)

Answer:

(6,2)

Step-by-step explanation:

i just did the

Standard Deviation statistic of the sampling distribution is used in calculating the margin of error for a confidence interval of the population mean.

Basically, the margin of error is stated as follows:

Error margin, E = Z* (Standard deviation)

Therefore, the calculation of the margin of error does not employ the mean at all.

The margin of error is computed using the standard deviation.

The term "standard deviation" reveals that a measurement of the data's dispersion from the mean. While a high standard deviation indicates that the data are more spread or dispersed, a low standard deviation suggests that the data are clustered or gathered around the mean.

It depicts the average deviation of each score from the mean. A high standard deviation in a normal distribution denotes that values are often far from the mean, while a low standard deviation denotes that values are grouped together around the mean.

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The equation which has exactly one solution is 4 (x + 3) = 7x – 6, and the solution is x = 6.

To solve the equations, we can use Multiplicative Distribution Law.

The first equation, 4 (x + 3) = 7x – 6, has exactly one solution that is x = 6.

4 (x + 3) = 7x – 6

4x + 12 = 7x – 6

4x – 7x = – 6 – 12

– 3x = – 18

x = 6

The second equation, 4 (x + 3) + 8 = 4x + 20, has all real numbers.

4 (x + 3) + 8 = 4x + 20

4x + 12 + 8 = 4x + 20

4x – 4x = 20 – 12 – 8

0 = 20 – 12 – 8

0 = 0

The third equation, 4 (x + 3) + 3x = 7x + 12, has all real numbers.

4 (x + 3) + 3x = 7x + 12

4x + 12 + 3x = 7x + 12

4x + 3x – 7x = 12 – 12

7x – 7x = 0

0 = 0

The last equation, 4 (x + 3) + 6 = 4x + 9, has no solution. It is a wrong equation.

4 (x + 3) + 6 = 4x + 9

4x + 12 + 6 = 4x + 9

4x – 4x = 9 – 12 – 6

0 = - 9

Hence, by using the Multiplicative Distribution Law, the equation which has exactly one solution is 4 (x + 3) = 7x – 6.

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Answer: (A)

Step-by-step explanation: 4(x + 3) = 7x - 6

trust

The slope-intercept definition of a linear function is given as follows:

y = mx + b.

In which the coefficients are given as follows:

In this problem, the function is:

H(x) = 6x + 90.

Hence the slope and the intercept are given as follows:

m = 6, b = 90.

The domain and the range of the function are given as follows:

The problem is given by the image shown at the end of the answer.

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The acute triangle can not measure 90 degrees because the criteria requires angles to be less than 90 degrees.

Acute triangle is the triangle with all the angles less than 90 degrees. However, the acute angles should always add up to 90 degrees. There are different types of acute triangles such as scalene, isosceles and equilateral triangle.

Acute Equilateral triangle has all the equal sides, acute isosceles triangle has two equal sides and acute scalene triangle has three different sides with different lengths.

Apart from acute angles, there are many other types of angles like obtuse angle and right angle. Right triangle has a 90 degree angle and obtuse triangle has more than 90 degrees angle.

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The common ratio is 1/3.

What is common ratio?

In a geometric sequence, ratio of each term to its immediately preceding term is always constant and is known as common ratio.

The common ratio is expressed as the value r. It can be calculated by taking any term in the sequence and dividing it by the term before it.

Here, 108/324 = 1/3 ( it is a constant ratio )

Hence it is a geometric sequence and common ratio is 1/3.

Next terms can be found by multiplying the common ratio with the previous term.

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The differential equation that satisfies the given amount of investment is A'(t) = rA(t)

Let the rate of investment = r

The amount of investment must satisfy the differential equation

A'(t) = r A(t)

Initial condition is the value of A(t) at t = 0

No compounding will be applied at t = 0 and the amount is equal to the original amount invested, known as principal.

If the Principal amount is P, then the initial condition is A(0) = P

Hence, the differential equation is A'(t) = rA(t)

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As per the given probability, the estimated number of tosses in a single trial of the game is 7/11

Probability:

Basically, the term Probability refers the possibility of happening the particular event.

Given,

Here we have to simulate a toss of a coin we let the digits 0, 1, 2, 3, and 4 correspond to a head and the digits 5, 6, 7, 8, and 9 correspond to a tail. And consider the following game: We are going to toss the coin until we either get a head or we get two tails in a row, whichever comes first. If it takes us one toss to get the head we win $2, if it takes us two tosses we win $1, and if we get two tails in a row we win nothing.

While we looking into the given question we have identified that, the total number possible events is 11.

And we have to find the single trial of the game that is 7.

So, the estimated number of tosses in a single trial of the game is written as,

=> 7/11

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The equation of the line that passes through the point (8,0) and is parallel to the line x + y = 5 is x + y = 8.

Two lines are parallel with each other if they do not intersect no matter how much you extend both lines. Parallel lines have equal slopes.

Get the slope of the given line x + y = 5.

y = -x + 5

m = -1

Hence, the equation of the line should also be equal to -1.

Using the point slope form, plug in the values of the slope and the point to set up the equation.

(y - y₁) = m(x - x₁)

(y - 0) = -1(x - 8)

y = -x + 8

Rearranging, x + y = 8.

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