help please. i don’t understand this question and i’ve been stuck for ages

The division of the polynomial 2x⁴ - 3x³ - 6x² + 11x + 8 by x - 2 will give a quotient of  2x³ + x² - 4x + 3 +(14 / x - 2)

The quotient of polynomials is the result of dividing one polynomial by another. It is a mathematical expression representing the ratio of two polynomials, often written as a fraction. The numerator of the fraction is the dividend polynomial, and the denominator is the divisor polynomial. The quotient of polynomials can be found using long division or synthetic division methods.

In the polynomial division between 2x⁴ - 3x³ - 6x² + 11x + 8 and x - 2

2x⁴ - 3x³ - 6x² + 11x + 8 ÷ x - 2 = 2x³ + x² - 4x + 3 +(14 / x - 2)

The quotient of the division is 2x³ + x² - 4x + 3 +(14 / x - 2) while the divisor is x - 2.

The remainder of the polynomial division is 14

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The number of students who were wearing spirit wear at the assembly is = 120.

As given in Question that 3 out of 10 students were wearing spirit were.

if we have these type of Question then we will find the fraction part for 1 student as given 3 out of 10 then  the fraction part for 1 will be = 3/10 = 0.3

for 1 student there  is 0.3 fraction of students has wear spirit wear

so for 400 students were at the assembly

for 1 fraction is 0.3

for 400 = 400*(0.3 )= 120

Here 120 students were wear spirit wear in assembly

as like type we can solve for any number of students who were in assembly . like if there is 500 student the we can do like 500*.03 = 150 students.

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Answer:

V=whl=3.25·2.5·4.5=36.5625 cm

Step-by-step explanation:

Formula: V=whl

Width and base are interchangeable words so all you do is plug the base into (w).

Turn the fractions into decimals and multiply.

3 1/4 = 3.25

2 1/2 = 2.5

4 1/2 = 4.5

3.25*2.5*4.5 = V

V = 36.5625 cm

The proofing of the triangle is shown below.

A triangle is a shape which has three sides and the sum of the three angles is equal to 180 degrees.

We have, Triangle ABC and Triangle CDE

Both triangles are equilateral. This means, three sides are equal and the angle opposite to the side is also equal.

Now, ∠ACB and ∠DCE are vertical angles.

Vertical angles are equal. If ∠ACB and ∠DCE are equal.

The sides opposite ∠ACB and ∠DCE are also equal.

This means, AB = DE

Now, If AB = DE

We can say that, AB is parallel to DE

Thus, AB // DE

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Answer:

Step-by-step explanation:

(0,8)

No, they did not break the record. They were slower.

An element of a whole is a fraction. The number is represented mathematically as a quotient, where the numerator and denominator are split. Both are integers in a simple fraction. A fraction appears in the numerator or denominator of a complex fraction. The numerator of a proper fraction is less than the denominator.

Given:

Barbara, Donna, Cindy, and Nicole ran in a relay race.

Their times are listed in the chart.

To break the school's record,

the girls' time had to be faster than 12[tex]\frac{2}{5}[/tex] minutes.

The time should be taken in the relay race,

33/10 + 14/5 + x + 21/10 = 62/60

x = 62/60 - 82/10

x = 43/6

Now,

43/6 + 33/10 + 14/5 + 21/10

= 15[tex]\frac{22}{60}[/tex]

Hence, they were slower.

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The examination of the results of the two numerical articulations, 72 × 3 and 72 × 7, can be resolved utilizing the duplication administrator (×). 72 × 3 = 216 and 72 × 7 = 504.

While contrasting the results of these two expressions, we can see that 504 is more prominent than 216. This can be addressed as 504 > 216.

This implies that when 72 is duplicated by 7, the outcome is more prominent than when 72 is increased by 3.

This is on the grounds that 7 is a bigger number than 3, and thus, when it is increased by 72, the outcome will be bigger. All in all, the expression 72 × 7 delivers a more noteworthy worth than the expression 72 × 3.

All in all, the examination between 72 × 3 and 72 × 7 outcomes in 72 × 7 being more prominent than 72 × 3, or 504 > 216.

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The integers are 12 & 4

The difference , the sum and the product of two positive integers are in the ratio 1:2:6.Find the integers.

Let x = first integer

     y = second integer

Finding x and y;

(x - y): (x + y) : xy = 1:2:6

for : (x-y)/(x+y) = 1/2

cross multiply

       2(x-y) = x+y (equation 1)

for: (x+y)/ xy = 2/6 = 1/3

cross multiply

       3(x+y) = xy    (equation 2)

solve for x and y using equation 1 and equation 2

equation 2: xy= 3(x+y)

                   xy = 3x + 3y

                    xy -3y = 3x

                    y(x-3) =3x

              divide both sides by (x-3):

                     y= 3x/(x-3)         (equation 3)

substitute equation 3 to equation 1:

2(x-y) =x+y

2[x-(3x/(x-3))] = (3x/(x-3)) +x

solve for x:

x = 12

using equation 3, solve for y:

y = 3(12)/ (12-3)

y = 4

Check:

difference: 12-4 =8

sum: 12+4 =16

product: 12(4) =48

8:16:48 (when reduce to lowest term; dive by 8)

1: 2: 6 (same with the given ratio of the difference, sum and product)

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Answer:

Step-by-step explanation:

The semi-annual property tax bill is $2,987 and since it is semi-annual, he pays $2,987/2 = $1,493.5 each quarter.

So, each quarter he pays $1,493.5 + $334 = $1,827.5 for property taxes and homeowner's insurance.

And, each month he pays $1,827.5/3 = $609.17 for both property taxes and homeowner's insurance.

So, the total monthly payment he pays to North End Bank is $1,328 + $609.17 = $1,937.17.

the value of x in the isosceles triangle will be 36°.

What is an isosceles triangle ??

An isosceles triangle in geometry is one with at least two sides that are of equal length. Both having exactly two sides of equal length and having at least two sides of equal length are acceptable specifications, with the latter version containing the equilateral triangle as an exception. The faces of bipyramids, the golden triangle, the isosceles right triangle, and some Catalan solids are all examples of isosceles triangles.

in this figure, it is an isosceles triangle as two sides of the triangle are equal.

a) In the given triangle Δ the angles which are same given 72°

So the other angle will be 180 - 2(72) = 36°

Hence the value of x in the isosceles triangle will be 36°.

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The value of f(0) is 5.

For a solution to be solution to a system, it must satisfy all the equations of that system, and as all points satisfying an equation are in their graphs, so solution to a system is the intersection of all its equation at single point(as we need common point, which is going to be intersection of course)(this can be one or many, or sometimes none)

Given;

The graph

From the graph we can observe the value of function for various values.

When, x=0

y=5

Therefore, the answer of f(0) from the graph is 5.

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The current value of Pablo's car in pesos corresponds to 15,750,000 pesos.

This is calculated by multiplying the original price of 35,000,000 by the discount percentage of 45%, which corresponds to 15,750,000. To calculate the current price, the discount percentage (45%) is first determined and then multiplied by the original price (35,000,000). This is done to determine the discount in pesos (15,750,000) and is then subtracted from the original price to get the current price of 15,750,000.

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Complete Question:

When Pablo buys his car, it cost him 3,500,000 pesos. If it is now worth 45% of its original price, then what is its current value in pesos?

The results of the multiplication of the binomials (x - 6)(x + 3) is x² - 3x - 28

The multiplication of binomials is the results of the products of two or more binomials.

(x - 6)(x + 3)

open parenthesis

= x² + 3x - 6x - 28

= x² - 3x - 28

Ultimately, the multiplication of the given binomials is x² - 3x - 28.

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The required ratio of the areas of the two similar figures is 16:9

What is the area?

The space found inside a 2D shape's perimeter is known as the area. It is expressed as square units like [tex]cm^2[/tex], [tex]m^2[/tex], etc. The area is the quantity of space an object takes up in a plane.

For the given similar figures,

The square of the ratio of the corresponding sides is equal to the ratio of the areas of two comparable figures.

The ratio of the areas of these rectangles would be

= [tex]\frac{(6+2)^2}{6^2} = \frac{64}{36} = \frac{16}{9}[/tex]

= 16:9

Hence, the required ratio is 16:9.

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From 390 grams to 28 grams, Element X would decompose in about 4.4 minutes.

The formula y = a(0.5)t, where y is the final amount, a is the initial amount, and t is the time in half-lives, can be used to calculate this. Since Element X has a half-life of six minutes, we can add t = six minutes to the equation. We can solve for t by rearranging the data so that

t = ln(a/y) / ln(0.5).

We obtain

t = ln(390/28) / ln(0.5) = 4.4 minutes by putting in the values for a and y.

This is how long it would take for Element X's weight to drop from 390 grams to 28 grams through decay.

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Answer:

The false statement is D) All kites are rectangles.

A kite is a quadrilateral with two pairs of adjacent sides that are congruent. A rectangle is a quadrilateral with four right angles and opposite sides that are parallel and congruent. While some kites can be rectangles (when the two pairs of congruent adjacent sides are also perpendicular), not all kites are rectangles. Therefore, statement D is false. Statements A, B, and C are true.

Step-by-step explanation:

Answer:

So the measure of angle Y is 50 degrees.

Step-by-step explanation:

By definition, complementary angles add up to 90 degrees. So we can set up the equation:

m∠S + m∠Y = 90

We also know that m∠S = 5(m∠Y) - 210. Substituting this into the first equation, we get:

5(m∠Y) - 210 + m∠Y = 90

Combining like terms, we get:

6(m∠Y) - 210 = 90

Adding 210 to both sides, we get:

6(m∠Y) = 300

Dividing both sides by 6, we get:

m∠Y = 50

So the measure of angle Y is 50 degrees.

The diagonal of a parallelogram bisects, so BE and DE are congruent, and AE is congruent with itself.

Assume that all four of it's angles at point E are 90°.

and Therefore, it is a congruence.

Triangles ABE and ADE are congruent through a side.

Therefore AB and AD are congruent.

Since opposite sides of a parallelogram are congruent, AD and BC are congruent and AB and CD are congruent.

Therefore all four sides are congruent. Therefore ABCD is a rhombus.

A parallelogram is a two-dimensional flat shape which is formed from two pairs of ribs and each of them is the same length and has two angles that are the same size in front of it.

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The average distance a planet is from the Sun is 9.

The unitary method is a method for solving a problem by the first value of a single unit and then finding the value by multiplying the single value. Unitary method is a technique by which we find the value of a single unit from the value of multiple devices and the value of more than one unit from the value of a single unit. It is a method that we use for most of the calculations in math.

Given;

Sun can be modeled by d=t^2/3, where t is the number of Earth years that it takes for the planet to orbit the Sun.

The planet has an orbit of 27 Earth years.

Now,

d=27^2/3

d^3=27^2

d=9

Therefore, by unitary method the answer will be 9.

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The values for each of the question is given below.

Arithmetic sequence is a sequence of numbers where the numbers are arranged in a definite order such that the difference of two consecutive numbers is a constant. This constant of difference is called common difference, 'd'.

5. aₙ = 25.5 - 6.8n

a₁ = 25.5 - (6.8 * 1) = 18.7

a₂ = 25.5 - (6.8 * 2) = 11.9

a₃ = 25.5 - (6.8 * 3) = 5.1

a₄ = 25.5 - (6.8 * 4) = -1.7

a₁₀ = 25.5 - (6.8 * 10) = -42.5

6. aₙ = 25 - 10n

substituting the value of n and solving, we get,

a₁ = 15, a₂ = 5, a₃ = -5, a₄ = -15, a₅ = -25

7. aₙ = 11 + 9n

a₁ = 20, a₂ = 29, a₃ = 38, a₄ = 47, a₆ = 65

8. aₙ = 65 - 35n

a₁ = 30, a₂ = -5, a₃ = -40, a₄ = -75, a₉ = -250

The formula to find the nth terms of an arithmetic sequence is aₙ = a₁ + (n - 1)d

9. a₁ = 25, d = 100

aₙ = 25 + 100(n - 1)

a₂ = 125, a₃ = 225, a₄ = 325

10. a₁ = 5, d = 5

aₙ = 5 + 5(n - 1)

a₂ = 10, a₃ = 15, a₄ = 20

11. a₁ = 24, d = -15

aₙ = 24 - 15(n - 1)

a₂ = 9, a₃ = -6, a₄ = -21

12. a₁ = 9, d = -50

aₙ = 9 - 50(n - 1)

a₂ = -41, a₃ = -91, a₄ = -141

Hence each of the values are found.

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Knowing the format of the series, such as the number of games and the requirements for series victory, is necessary to calculate the likelihood of winning the World Series (e.g., best-of-seven, first team to win four games, etc.).

Using the chance of winning any given game versus team B, which is given as 1/3, you would then need to compute the likelihood of winning each specific game.

The likelihood that team A will win the World Series may be computed as the total of the probabilities of winning each individual game, for instance, if the World Series is a best-of-seven series and team A wins each game with a probability of 1/3.

A binomial distribution, which simulates the number of successes in a certain number of Bernoulli trials with a fixed chance of success for each trial, can be used to do this.

It is impossible to calculate the likelihood that team A will win the World Series without further details about the World Series' structure and the results of each game.

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a) The length of the rope left after tying the parcel is 260 cm

b) The original length of the rope was 305 cm.

The unitary method is a mathematical technique used to solve problems by breaking down the given information into smaller parts and finding the unknown value by using basic arithmetic operations.

(a) To find the length of the rope left after tying the parcel, we need to subtract the length of the rope used to tie the parcel from the original length of the rope.

Let's assume that the original length of the rope is x cm.

After Ravi tied the parcel, the remaining length of the rope is x - 45 cm.

(b) To find the original length of the rope, we need to use the information that the rope was cut into 4 pieces each 65 cm long.

Let's assume that the length of the rope left after tying the parcel is y cm.

Since the rope was cut into 4 pieces each 65 cm long, we have:

y = 65 x 4

y = 260 cm

And since the length of the rope left after tying the parcel is y cm, we have:

y = x - 45

So, the original length is

260 = x - 45

x = 305 cm

Complete Question:

Ravi had a rope. He used 45cm of the rope to tie a parcel. He then cut the remaining rope equally into 4 pieces. Each piece was 65cm long. (a) Find the length of the rope left after tying the parcel. (b) How long was the rope at first?

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Answer:

[tex]\boxed{0} < x < \boxed{4}[/tex]

Step-by-step explanation:

The graph is y = x² - 4x

For  x² - 4x < 0 find out the interval of x
Factor x² - 4x ==> x(x - 4)

x² - 4x < 0 ==> x(x-4) < 0

Find the x-intercepts where x(x - 4) = 0

x(x - 4) = 0 means
x = 0 or x - 4 = 0
x - 4 = 0 ==> x = 4
These are critical points where the function changes sign

From the graph we see that the function has a value of 0 at x = 0 and x = 4 and is negative between 0 and 4

So the range of values for x where x² - 4x < 0 is

[tex]\boxed{0} < x < \boxed{4}[/tex]

Hope that makes sense. If not, please ask questions

The correct answer is (a) Yes, because  we cannot use the binomial probability the 100 adults represent less than 5% of the U.S. adult population, the trials can be treated as independent

The probability of at least 30 adults out of 100 being left-handed can be calculated using the binomial probability formula with x counting the number who are left-handed. However, option (b) is not correct because the trials can still be considered independent even if the number of successes is greater than 5% of the sample size. The condition that the number of trials should be less than 5% of the population size is used to ensure that the sampling distribution can be approximated by a normal distribution.

Option (c) is also not correct because even though the sample was selected without replacement, the size of the population is much larger than the sample size, so the effect of the sampling without replacement is negligible.

Option (d) is not correct because we are interested in finding the probability of at least 30 left-handed adults, not the number of right-handed adults.

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Answer:

[tex]x = 3[/tex]

Step-by-step explanation:

Given equation is ,

3^x - 3^{x-2} = 24

we can write it as,

3^x - (3^x/3^2) = 24

take out 3^x as common,

3^x ( 1 - 1/3^2) = 24

simplify,

3^x (1 -1/9)=24

3^x (9-1/9)=24

3^x * 8/9 = 24

3^x = 24 * 9/8

3^x = 27

3^x = 3^3

on comparing,

x = 3

and we are done!

Answer:

x = 3

Step-by-step explanation:

Given equation:

[tex]3^x-3^{x-2}=24[/tex]

Rewrite the exponent of the first term as (x - 2 + 2):

[tex]3^{x-2+2}-3^{x-2}=24[/tex]

[tex]\textsf{Apply the exponent rule} \quad a^{b+c}=a^b \cdot a^c:[/tex]

[tex]3^{(x-2)+2}-3^{x-2}=24[/tex]

[tex]3^{x-2}\cdot 3^2-3^{x-2}=24[/tex]

[tex]\textsf{Factor out the common term $3^{x-2}$}:[/tex]

[tex]3^{x-2}(3^2-1)=24[/tex]

Simplify the brackets:

[tex]3^{x-2}\cdot 8=24[/tex]

Divide both sides by 8:

[tex]3^{x-2}=3[/tex]

Apply the exponent rule a = a¹ :

[tex]3^{x-2}=3^1[/tex]

[tex]\textsf{Apply the exponent rule} \quad a^{f(x)}=a^{g(x)} \implies f(x)=g(x):[/tex]

[tex]x-2=1[/tex]

Add 2 to both sides of the equation:

[tex]x=3[/tex]

An expression that represents the total area of Meiling's new deck is  4.3x + 29.67.

A quadrilateral with parallel sides that are equal to one another and four equal vertices is known as a rectangle.

Given:
An architect plans to build an extension to Meiling's rectangular deck.

Let x represent the increase, in meters, of her deck's length.

The expression 4.3(x+ 6.9) represents the area of the deck,

where 4.3 is the width in meters and (x + 6.9) represents the extended length in meters.

Using the Distributive Property to write an expression that represents the total area of Meiling's new deck.

A = 4.3(x+ 6.9)

A = 4.3x + 29.67

An expression that represents the total area of Meiling's new deck is  4.3x + 29.67.

Hence, area is 4.3x + 29.67 square meters.

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The probability of a randomly selected purchase having at most three tickets is  P(X ≤ 3). Option A

Probability is defined as a branch of mathematics that involves numerical descriptions of the likelihood of the occurance of an event, or how likely the possibility of the proposition.

The probability of an event is a number that is between 0 and 1.

Given that;

From the information given, we have that;

the probability of a randomly selected purchase having at most three tickets

This means that the probability is less than or equal to and not only less than ore greater than 3

Hence, the probability is P(X ≤ 3)

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Variables:  A = Adult tickets, C = Children tickets, S = Senior tickets

Expression for number of adult tickets sold: A = 15 + 3C

Expression for number of children's tickets sold: C = S/3

Let's define our variables:

A = Adult tickets

C = Children tickets

S = Senior tickets

We know that Joey sold 15 more adult tickets than children tickets. This means that the number of adult tickets (A) is 15 more than the number of children tickets (C). We can write this as an expression: A = 15 + C

We also know that Joey sold 3 times as many senior tickets as children tickets. This means that the number of senior tickets (S) is 3 times the number of children tickets (C). We can write this as an expression: S = 3C

Now, we can combine these two expressions to solve for the number of adult tickets sold. We can substitute the expression for S (3C) into the expression for A (15 + C) and solve for C.

Substituting 3C for S in A = 15 + C, we get: A = 15 + 3C

This expression tells us that the number of adult tickets sold (A) is equal to 15 plus 3 times the number of children tickets sold (C).

To solve for the number of children tickets sold (C), we can use the expression for S (3C). We can divide both sides of the equation by 3 to solve for C.

Dividing both sides by 3, we get: C = S/3

This expression tells us that the number of children tickets sold (C) is equal to the number of senior tickets sold (S) divided by 3.

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Define the variables: Let x be the number of children's tickets sold.

Write an expression to represent the number of adult tickets sold: The number of adult tickets sold can be represented as x + 15.

Write an expression to represent the number of children's tickets sold: The number of children's tickets sold can be represented as x.

In this problem, we are asked to represent the number of adult and children's tickets sold in terms of a single variable, x. The given information is that Joey sold 15 more adult tickets than children's tickets, and he sold 3 times as many senior tickets as children's tickets. Hence, we can represent the number of adult tickets sold as x + 15 and the number of children's tickets sold as x.

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1. The value of h(1) is 24.5 m

2. The maximum height of the balloon is 39.59 m.

3. The balloon burst  after  5.5979 sec it hits the ground

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides. LHS = RHS is a common mathematical formula.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given:

h(t) = –4.9t² + 27t + 2.5.

1. For t= 1 hour

h(1) = –4.9(1)² + 27(1) + 2.5.

h(1) = 24.5m

2. Vertex formula (-b/2a, h(-b/2a))

Vertex = -27/ 2(4.9) = 2.755

So, h(2.755) = 39.59 m

3.–4.9t² + 27t + 2.5. = 0

solving the above equation for t we get

t= -0.877 sec

t = 5.5979 sec

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The slope is 3/4.  It represent that for every 3 cup of brown sugar, 4 cup of butter is required

The y intercept is 0. This means that when no butter is used, no brown sugar is needed.

The equation is slope intercept form is y = (3/4)x

An equation is an expression that shows the relationship between two or more numbers and variables using mathematical operations. An equation can be linear, quadratic, cubic and so on, depending on the degree of the variable.

The slope intercept form of the linear equation is:

y = mx + b

where m is the slope and b is the initial value.

From the graph, using the point (4, 3) and (8, 6):

[tex]y-y_1=\frac{y_2-y_1}{x_2-x_1} (x-x_1)\\\\substituting:\\\\y-3=\frac{6-3}{8-4}(x-4)\\ \\y=\frac{3}{4} x[/tex]

a) The slope is 3/4.  It represent that for every 3 cup of brown sugar, 4 cup of butter is required

b) The y intercept is 0. This means that when no butter is used, no brown sugar is needed.

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