Subtract the polynomials. Arrange the terms of the answe (2.62a^(4)-0.029a^(3)+1.65)-(0.97a^(4)-0.081a^(3)+0.54a^(2))

The system of linear equations will be 2x+3y=8,  4x+6y=15.

Which mathematical equation is the most challenging?

A mathematics issue have baffled the finest scientists in the world for decades. The Diophantine equation x3+y3+z3=k, where k is the sum of all of the numbers from 1 to 100, is sometimes referred to as the "sum of three cubes."

What is an equation's most basic form?

The lowest corresponding fraction of the integer is its simplest form. How to determine the simplest form: Look for shared components in the denominator and numerator. Verify if a fractional integer includes a prime number.

For example:

2x+3y=8

4x+6y=15

Part C:

Using the example above,

2x+3y=8

4x+6y=15

If we multiply the first equation by , we get:

4x+6y=16

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Answer:

To find the value of b x6 when b = 7, we simply need to substitute 7 for b in the expression and perform the multiplication.

b x 6 = 7 x 6

Multiplying 7 by 6 gives us:

b x 6 = 42

Therefore, when b = 7, the value of b x 6 is 42.

creativeitechnology

7527861800

Answer:

B

Step-by-step explanation:

that means we put -6 into every place, where n is showing in the expression, and then we simply calculate.

cubic root(4n - 3) + n

n = -6

cubic root(4×-6 - 3) - 6 = cubic root(-27) - 6 =

= -3 - 6 = -9

The values of the x in all triangles are:

1) x = 15. (2) x = 8. (3) x = 3. (4) x = 11.95. (5) x = √-5. (6) x = √104.

The Pythagorean theorem consists of a formula a²+b²=c² which is used to figure out the value of (mostly) the hypotenuse in a right triangle. The a and b are the 2 "non-hypotenuse" sides of the triangle (Opposite and Adjacent).

1) In this triangle:

Adjacent = 9mi

Opposite = 12 mi

Hypotaneous = x

so, x² =  (9)² + (12)²

x = √81 + 144

x = 15.

2) In this triangle:

Adjacent = x

Opposite = 6 in

Hypotaneous = 10 in

so, (10)² =  (x)² + (6)²

√100 - 36 = x

x = 8.

3) In this triangle:

Adjacent = x

Opposite = 4 ft

Hypotaneous = 5 ft

so, (5)² =  (x)² + (4)²

√25 - 16 = x

x = 3.

4) In this triangle:

Adjacent = x

Opposite = 5 yard

Hypotaneous = 13 yard

so, (13)² =  (5)² + (x)²

√168 - 25 = x

x = 11.95.

5) In this triangle:

Adjacent = x

Opposite = √13 mi

Hypotaneous = 2√2 mi

so, (2√2 )² =  (√13)² + (x)²

8 - 13 = x

x = √-5.

6)  In this triangle:

Adjacent = 13 yd

Opposite = √65 yd

Hypotaneous = x

so, (x)² =  (13)² + (√65 )²

169 - 65 = x

x = √104.

Hence, The values of the x in all triangles are:

1) x = 15. (2) x = 8. (3) x = 3. (4) x = 11.95. (5) x = √-5. (6) x = √104.

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Therefore , the solution of the given problem of unitary method comes out to be in a group of 15, we would anticipate that 5 pupils would choose a candy.

To finish a job using the unitary method, divide the lengths of just this minute subsection by two. In a nutshell, the unit method eliminates a desired item from both the characterized by a set and colour subsets. 40 pens, for instance, will cost Rupees ($1.01). It's conceivable that one nation will have complete control over the strategy used to achieve this. Almost all living things have a unique trait. There are changes and unanswered issues (mathematics, algebra).

Here,

There are a total of 12 sweets in the bag: 5 + 1 + 2 + 4 candies. Given that there are 4 gold-wrapped candies out of a total of 12, the chance of choosing one during any given draw is 4/12 = 1/3.

. Therefore, regardless of how many draws have been conducted before, the chance of choosing a gold-wrapped treat is always 1/3.

In a class of 15 pupils, the predicted proportion of students who would choose a gold-wrapped treat would be:

Expected number of gold-wrapped candies = (1/3) * (number of draws) * (probability of choosing gold-wrapped candy on one draw) = 5

Therefore, in a group of 15, we would anticipate that 5 pupils would choose a candy that was wrapped in gold.

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Answer:

12345,13345,14345,15345,16345

Step-by-step explanation:

Answer:

Step-by-step explanation:

It is given that ,

tanA=3/4 , [tex]\pi < A < \frac{3\pi }{2}[/tex]

so , angle are in 3rd Quadrant .

cosB = -15/17 ,[tex]\frac{\pi}{2} < B < \pi[/tex]

So, angle B are in 2nd Quadrant

We use Compound formula of tan(A+B)

[tex]tan(A+B) = \frac{tanA + tanB}{1- tanAtanB}[/tex]         ..........(1)

To use this formula , we need to find the value of tanA and tanB.

tanA = 3/4   ........ given

cos B =-15/17

Using Identity ,

[tex]sin^{2}B + cos^{2}B=1[/tex]

put the value of cosB

[tex]sin^{2}B + (-\frac{15}{17})=1\\ sin^{2}B = 1 - \frac{225}{289} \\sin^{2}B = \frac{64}{289} \\sinB = \frac{8}{17}[/tex]

we know that ,

tanB = sinB/cosB

put the value of sinB and CosB

[tex]tanB = \frac{\frac{8}{17} }{-\frac{15}{17}} \\tanB = - \frac{8}{15}[/tex]

[tex]tanB = -(-\frac{8}{15}) \\tanB = \frac{8}{15}[/tex]the value of tan in 2nd quadrant are negative .

We find the value of tanB and next we put the value of tanA and tanB in

equation(1)

[tex]tan(A+B) = \frac{tanA + tanB}{1- tanAtanB}\\tan(A+B) = \frac{\frac{3}{4}+\frac{8}{15}}{1 - \frac{3}{4}\frac{8}{15} } \\tan(A+B) = \frac{\frac{77}{60} }{1 - \frac{24}{60} } \\tan(A+B) = \frac{\frac{77}{60} }{\frac{36}{60} } }\\tan(A+B) = \frac{77}{36}[/tex]

Hopeful,this answer will help you!

If any wrong in this answer please let me know

A linear function is a polynomial function with a degree of 1, and a degree 4 polynomial function is a polynomial function with a degree of 4. The leading coefficient of a polynomial function is the coefficient of the term with the highest degree. The y-intercept of a graph is the point where the graph crosses the y-axis.

To create the linear function, h(x), we can use the slope-intercept form: y = mx + b, where m is the slope and b is the y-intercept. Since the y-intercept can not be 0, we can choose a value for b that is not 0. For example, b = 2. We can also choose a value for m that is not 0, so that h(x) is not a horizontal or vertical line. For example, m = 3. Therefore, h(x) = 3x + 2.

To create the degree 4 polynomial function, P(x), we can use the factored form: P(x) = a(x - r1)(x - r2)(x - r3)(x - r4), where a is the leading coefficient, and r1, r2, r3, and r4 are the zeros of the function. Since the leading coefficient can not be |1|, we can choose a value for a that is not 1 or -1. For example, a = 2. Since one of the factors must be repeated 2 times, we can choose a value for r1 and set r2 equal to r1. For example, r1 = 1 and r2 = 1. Since one of the zeros must be a fraction, we can choose a value for r3 that is a fraction. For example, r3 = 1/2. Since the zeros should have a mix of positive and negative numbers, we can choose a value for r4 that is negative. For example, r4 = -2. Therefore, P(x) = 2(x - 1)(x - 1)(x - 1/2)(x + 2).

To find the points of intersection between h(x) and P(x), we can set h(x) equal to P(x) and solve for x:
3x + 2 = 2(x - 1)(x - 1)(x - 1/2)(x + 2)
This equation can be solved algebraically by expanding the right-hand side and rearranging the terms to form a degree 4 polynomial equation. Then, we can use the Rational Root Theorem and synthetic division to find the possible rational roots of the equation. Once we find the rational roots, we can use them to factor the equation and find the remaining roots. The x-coordinates of the points of intersection are the roots of the equation.

To determine the intervals when h(x)≥P(x), we can use the points of intersection and the signs of h(x) and P(x) on either side of the points of intersection. If h(x) is greater than or equal to P(x) on an interval, then the graph of h(x) is above or coincident with the graph of P(x) on that interval. We can use a sign chart or a graph to determine the intervals when h(x)≥P(x).

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Answer:

35%

Step-by-step explanation:

26/40 = 0.65
1-0.65=35

The area of the rhombus is 16√39 sq. cm.

A four-sided polygon with equal-length sides is known as a rhombus. A rhombus is an unique kind of parallelogram, like a square, in which the opposing sides are parallel and congruent. Yet, a rhombus lacks right angles, unlike a square.

Given that, sides = 10cm and the diagonal = 16 cm.

Using the Pythagorean theorem, we can find the length of the other diagonal as follows:

a^2 + b^2 = c^2

(10/2)^2 + b^2 = 16^2/4

25 + b^2 = 64

b^2 = 39

b = √39

The length of the other diagonal is 2*√39 cm.

Now, we can use the formula for the area of a rhombus:

A = (d1d2)/2 = (162√39)/2 = 16√39

Hence, the area of the rhombus is 16√39 sq. cm.

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The area of the rhombus is approximately 62.4 cm².

A rhombus is a quadrilateral with four sides of equal length. It is also known as a diamond or a lozenge. A rhombus has two pairs of parallel sides, and opposite angles are equal to each other. The diagonals of a rhombus bisect each other at right angles, meaning they cut each other in half and form a right angle at their intersection point.

The properties of a rhombus are similar to those of a square, but unlike a square, a rhombus does not have right angles. However, a square can be considered a special case of a rhombus, where all four angles are right angles.

The area of a rhombus can be calculated using the formula:

Area = (diagonal 1 x diagonal 2) / 2

where diagonal 1 and diagonal 2 are the lengths of the two diagonals of the rhombus.

Let's use the Pythagorean theorem to find the length of the shorter diagonal. We know that a rhombus has two pairs of congruent right triangles. Let's call the length of the shorter diagonal d.

Using Pythagorean theorem:

(10/2)² + (d/2)² = (16/2)²

5² + (d/2)² = 8²

25 + (d/2)² = 64

(d/2)² = 39

d/2 = √(39)

d = 2 * √(39)

Now we can use the formula for the area of a rhombus:

Area = (diagonal1 * diagonal2) / 2

Area = (10 * 2 * √(39)) / 2

Area = 10 * √(39)

Therefore, the area of the rhombus is approximately 62.4 cm².

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Answer: -3

Step-by-step explanation:

The slope is the number being multiplied by x.

Answer:

m = -3

Step-by-step explanation:

Answer:

The answer is -4

Step-by-step explanation:

The slot of the line can be calculated using the formula : y2 - y1/ x2 - x1.

So, you would plug in the values making the equation 5 - (-7)/ -1 - 2 and solve.

Answer:

The surface area of the new prism increased by less than a scale factor of two.

Step-by-step explanation:

original prism:  S.A. = SA of 4 sides + Top + Bottom = 4(9x6) + 2 (3x6) = 252

scaled up prism:  SA = 4(18x6) + 2(3x6) = 468

height = 2(9) = 18

468/252 = 1.857 < 2

The translated function from y=|x| that has a shrink of ( 1)/(4), a reflection over the x-axis and a vertical shift of 8 units down is y=-|(1)/(4)x|-8.

If f(x) is a function, then a translated function can be defined by adding or subtracting a constant value a to the variable x inside the function, resulting in a new function g(x) = f(x-a) or g(x) = f(x+a), respectively.

To create the translated function from y=|x|  we can follow these steps:
1. Shrink the function by multiplying the input by (1)/(4): y=|(1)/(4)x|
2. Reflect the function over the x-axis by multiplying the output by -1: y=-|(1)/(4)x|
3. Shift the function 8 units down by subtracting 8 from the output: y=-|(1)/(4)x|-8,

Therefore, the translated function is y=-|(1)/(4)x|-8.

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The probabilities are given as follows:

The probabilities are different, as the theoretical probability is higher.

A probability is calculated as the division of the desired number of outcomes by the total number of outcomes.

Out of 20 tosses, 4 resulted in heads, hence the experimental probability is given as follows:

p = 4/20

p = 1/5.

A coin is equally as likely to be heads or tails, hence the theoretical probability is given as follows:

p = 1/2.

Over a large number of trials, it is expected that the two probabilities assume close values, but for a small number of trials such as 20 it is expected for there to be differences.

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Answer:

To find the coordinates of the root of the equation y = 3 + 2x - x^2, we need to find the values of x where y = 0 (because the root is the point where the function intersects the x-axis). So we can set y equal to 0 and solve for x:

0 = 3 + 2x - x^2

Rearranging, we get:

x^2 - 2x - 3 = 0

We can factor the quadratic equation by finding two numbers that add up to -2 and multiply to -3. These numbers are -3 and 1, so we can write:

(x - 3)(x + 1) = 0

This equation is true when either x - 3 = 0 or x + 1 = 0. So the roots of the equation are:

x = 3 or x = -1

Therefore, the coordinates of the roots of the equation y = 3 + 2x - x^2 are (3, 0) and (-1, 0).

figure 1: length of sides are, 5[tex]\sqrt{2}[/tex] and 5

figure 2: height is 8[tex]\sqrt{3}[/tex] and base is 8

A triangle, with three sides, three angles, and three vertices, is one of the most fundamental and straightforward shapes in geometry. Any of the three sides and angles of a triangle can have various measurements. Depending on their angle dimensions and side lengths, triangles can be classified into various categories.

Equilateral triangles, for instance, are triangles with three equal sides and three equal 60-degree angles.

Right triangles, on the other hand, have one 90-degree angle, and the side opposite the right angle is known as the hypotenuse, with the other two sides called legs.

Isosceles triangles, whose two sides and angles are equal.

The values of figure 1: the angles are 45° 90° and 45° So, we can use right angle triangle and isosceles triangle rules in figure therefor, the base is 5[tex]\sqrt{2}[/tex] and other side is same as the another side which is 5.

Check the solution from the figure.

figure 2: height is 8[tex]\sqrt{3}[/tex] and base is 8

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The circumference of the circle is approximately 31.4 cm to the nearest tenth.

Use this formula to get a circle's circumference:

C = 2πr

where C is the circumference, pi (roughly 3.14), is a mathematical constant, and r is the circle's radius.

If you have the diameter of the circle, you can find the radius by dividing the diameter by 2.

Once you have the radius, you can plug it into the formula to find the circumference.

For example, if the radius is 5 cm:

C = 2πr

C = 2 x 3.14 x 5

C = 31.4

So the circumference of the circle is approximately 31.4 cm to the nearest tenth.

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Answer:

136cm²

Step-by-step explanation:

explanation in the screenshot

All of the functions have a constant rate of change since they are linear functions with a slope (rate of change) that is equal to the coefficient of the independent variable. Therefore, all functions have a constant rate of change of their slope.

Option A: y = 6(2) = 12 has a slope of 6, which means it increases by 6 for every unit increase in x.

Option B: y = 2(3) = 6 has a slope of 2, which means it increases by 2 for every unit increase in x.

Option C: y = 3(4) = 12 has a slope of 3, which means it increases by 3 for every unit increase in x.

Option D: y = 4(2) = 8 has a slope of 4, which means it increases by 4 for every unit increase in x.

Therefore, option A has the most rapid rate of change with a slope of 6.

Answer:

the ans the last person gave is very correct

To find the level of production that maximizes the manufacturer's total revenue, we need to find the quantity, q, that maximizes the revenue function, R(q) = p*q.

First, we need to find the revenue function by substituting the demand function for p in the revenue function:
R(q) = p*q = (−0.13q+156)*q = -0.13q^2 + 156q
Next, we need to find the quantity that maximizes this function. To do this, we can take the derivative of the revenue function and set it equal to zero:
R'(q) = -0.26q + 156 = 0
Solving for q, we get:
q = 600
This means that the quantity that maximizes the manufacturer's total revenue is 600 units.
To find the maximum revenue, we can plug this quantity back into the revenue function:
R(600) = -0.13(600)^2 + 156(600) = 46,800

Therefore, the maximum revenue is $46,800.

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Answer:

(x+4)^2=4

Step-by-step explanation:

Answer:

75

Step-by-step explanation:

This is an example of a biased sample, because the sample was not chosen at random from the entire population. It is possible that certain groups of people were more likely to have their names drawn from the hat, such as people who were sitting near the person doing the drawing.

To predict how many guests at the party have blonde hair, we can use the proportion of people in the sample who had blonde hair (3 out of 8), and apply it to the entire population of 200 guests:

(3/8) x 200 = 75

Therefore, we can predict that approximately 75 guests at the party have blonde hair.

Answer:

1. Unbiased sample

2. 75

If Alan and Robert worked together, it would take them 6.857 hours to move the inventory from the truck to the shelves

If Robert can move the inventory from his store from the truck to the shelves in 12 hours and Alan can do the same job in 16 hours, then we can find the time it would take for them to do the job together by using the formula for combined work rate:

1/t = 1/12 + 1/16

Multiplying both sides of the equation by 48t gives us:

48 = 4t + 3t

Simplifying and solving for t gives us:

48 = 7t

t = 48/7

t = 6.857 hours

It would take Alan and Robert approximately 6.857 hours to move the inventory working together.

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Step-by-step explanation:

so u could see that the yellow cab that will take Emma to airport is much more cheaper even though the entry price is a bit expensive .

Answer:

90 degrees clockwise rotation

Step-by-step explanation:

The way to do this is by looking at your transformation rules, where you will find that in a 90 degree clockwise rotation you take your original X and Y, swap them, and make Y negative (y, -x).

To find this, pick any two points from each rectangle (Each point must have the same letter) and compare them:

Example:

Q is at (4, 2) and Q' is at (2,-4). When comparing the two points you will find that X and Y have been swapped, and Y is now negative. This matches the 90 degree clockwise rotation rule

In a statistical test, the goal is to determine whether the null hypothesis (H0) is true or false based on the observed data. In this case, the null hypothesis is that the difference between the two population means (????T and ????????) is equal to zero, and the alternative hypothesis (H1) is that the difference is greater than zero.

The investigator initially compares the observed probability (Pobs) with the significance level (????) to make her decision. If Pobs is less than ????, then the null hypothesis is rejected, and if Pobs is greater than ????, then the null hypothesis is not rejected.

If the investigator had instead compared the observed test statistic (tobs) with the critical value (tcrit), she would have made the same decision. This is because the critical value is determined based on the significance level, and the test statistic is determined based on the observed data. If the test statistic is greater than the critical value, then the null hypothesis is rejected, and if the test statistic is less than the critical value, then the null hypothesis is not rejected.

Since the decision to reject or not reject the null hypothesis is based on the same criteria (whether the observed value is greater than or less than a predetermined value), the decision would be the same whether the investigator compares Pobs with ???? or tobs with tcrit.

In conclusion, the investigator would have made the same decision had she compared tobs with tcrit instead of Pobs with ???? because both methods are based on the same criteria for rejecting or not rejecting the null hypothesis.

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20c2 + 10c = {c | c ≠ 0}

The sets for these two rational expressions are as follows:


22x + 11 x2 – 3x – 10 = {x | x ≠ 1/2}


1 – 2c = {c | c ≠ 1/2}


20c2 + 10c = {c | c ≠ 0}


To simplify the expressions, use the following steps:


1. Factor out the greatest common factor (GCF) if one exists.


2. Simplify the numerator and denominator separately.


3. Combine the numerator and denominator.

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No, the inverse of a quadratic function is not a linear function.

A quadratic function is a function of the form f(x) = ax^2 + bx + c, where a, b, and c are constants. The graph of a quadratic function is a parabola, which is a curved line.

The inverse of a function is a function that "undoes" the original function. In other words, if f(x) = y, then the inverse function, f^(-1)(x), would be such that f^(-1)(y) = x. The graph of the inverse of a function is a reflection of the original function across the line y = x.

Since the graph of a quadratic function is a parabola, the graph of its inverse would also be a parabola, but reflected across the line y = x. This means that the inverse of a quadratic function is also a quadratic function, not a linear function.

It is important to note that the inverse of a quadratic function may not be a function, as it may not pass the vertical line test. In this case, restrictions would need to be applied to the domain and range in order for the inverse to be a function. However, even with these restrictions, the inverse of a quadratic function would still not be a linear function.

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The pair of expressions which represents the price of an order that was originally x dollars are x - 0.15x and 0.85x

Percentage discount = 15%

Original price of an order = x dollars

New price = Original price of an order - (Percentage discount × Original price of an order)

= x - (15% of x)

= x - 0.15x

= 0.85x

Therefore, x - 0.15x and 0.85x are the expressions which represent the price of an order that was originally x dollars

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