Answer:
(D.) [tex]5x^{5} -5x^{3} +4[/tex]
Step-by-step explanation:
Adding Polynomials:
To add both of these two polynomials together, all we need to do is add like terms. All of the other options are wrong, since we do not add the exponents.
[tex]5x^{5} -5x^{3} +4[/tex]
What types of earned and unearned income do you think you'll have in 10 years?
Unearned income may vary depending on investment performance, interest rates, and changes in government policies.
What is Income?Income is the consumption and saving opportunity gained by an entity within a specified timeframe, which is generally expressed in monetary terms.
In 10 years, an individual's earned and unearned income may vary greatly depending on their career and investment choices, economic conditions, and personal circumstances.
Some individuals may see increases in earned income as they gain more experience or take on higher-paying positions, while others may see fluctuations or decreases in earned income due to changes in the job market.
Similarly, unearned income may vary depending on investment performance, interest rates, and changes in government policies.
Hence, unearned income may vary depending on investment performance, interest rates, and changes in government policies.
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what is measured by the numerator of the z-score test statistic?
The numerator of the z-score test statistic measures the difference between the sample mean and the population mean (or the hypothesized population mean, depending on the context) in terms of the standard error of the mean.
It can use z- test only if the population standard deviation is known (or given) and the sample is large (more than 30 units)
If the mean and standard deviation is known, then the z-score is calculated using the formula.
z = (x - μ) / σ
where x is data;
μ is the mean and σ is the standard deviation.
Thus, the actual distance between a sample mean x and a population mean µ is measured by the numerator of z- score test statistic.
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which fration is greater than 3\4
Answer: There are infinitely many fractions that are greater than 3/4. Any fraction whose numerator is greater than three and whose denominator is greater than four will be greater than 3/4. Here are a few examples:
4/5 is greater than 3/4
5/6 is greater than 3/4
6/8 (which simplifies to 3/4) is not greater than 3/4, but any fraction greater than 6/8 will be greater than 3/4. For example, 7/8, 8/9, 9/10, and so on.
In general, to determine whether a fraction is greater than 3/4, you can compare its numerator and denominator. If the numerator is greater than the denominator times 3/4 (which is the same as multiplying the denominator by 3/4 and comparing it to the numerator), then the fraction is greater than 3/4.
Step-by-step explanation:
Line l passes through the points (-8, 8) and (-4, 0). Write the equation of the image of
after a dilation with a scale factor of 1, centered at the origin.
Write your answer in slope-intercept form.
y =
Please answer my question.
a. The coordinates after the rotation are: D(-5, 4) → D' (5, -4), E(3, 6) → E'(3, -6), and F(4, 2) → F'(4, -2) b. The general rule below that describes the rotation are: (x, y) → (x, -y).
What are transformation?According to the definition of a transformation in mathematics, a transformation is a geometric shape or formula that has been altered, mapping the shape or formula from its preimage, or initial position, to its image, or after-transformation position. Because transforming a function to a different space offers a fresh viewpoint on the issue, scientists and mathematicians employ transformations to simplify a problem. Scientists frequently shift a function, manipulate it, and then transform it back to its original place because this fresh perspective can make computations easier in the new space than in the old one.
a. The coordinates after the rotation are:
D(-5, 4) → D' (5, -4)
E(3, 6) → E'(3, -6)
F(4, 2) → F'(4, -2)
b. The general rule below that describes the rotation are:
(x, y) → (x, -y)
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Johnny has 24 pairs of shoes which is 4 less than two thirds the amount of shoes Ralph has. How many pairs of shoes Ralph have?
Answer: Really?
Step-by-step explanation:
How to convert 89 cm to inches?
89 centimeter is approximately equal to 35.0394 inches ( rounded to four decimal places )
To convert 89 cm to inches, we can use the following formula:
1 cm = 0.393701 inches
The conversion is the process of changing the unit of one quantity to another units
The conversion factor is defined as the number that is used to change one unit to another units by multiplying or dividing
Therefore,
The length in inches = conversion factor × The length in centimeter
Substitute the values in the equation
89 cm = 89 x 0.393701
Multiply the numbers
= 35.0394 inches ( rounded to four decimal places )
Therefore, 89 centimeter is 35.0394 inches
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how to convert microliters to milliliters
Using the formula 1 millilitre = 10⁻³ microliters, we can convert millilitres to microliters.
The volume unit is milliliters (mL). One microliter (uL) is likewise a volume unit, although it is a smaller unit.
We already know that Milli equals 10⁻³.
As a result, we may write the relationship using the unit conversion idea.
One microliter equals 10⁻³ milliliters.
For example, if we have 2 microliters, it is equal to 2 x 10⁻³ milliliters.
Thus, we now have a standard formula that we can use to calculate the time in microliters to milliliters and milliliters to microliters.
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What is the conversion of 38c to fahrenheit ?
The value which represents the converted value Celsius to Fahrenheit is 38 Celsius is equal to 100.4 Fahrenheit.
Units which are used to measure temperature are known by the nameCelsius and Fahrenheit .
Conversion relation between the units of the temperature is written as:
(°C × 9/5) + 32 =°F
Substitute the value 38 Celsius to convert it into Fahrenheit we get,
(38°C × 9/5) + 32
= ( 342 / 5 ) + 32
= ( 68.4 ) + 32
= 100.4°F
Therefore, the required converted value of the Celsius to Fahrenheit is given by 100.4 Fahrenheit.
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step to calculate determine equilibrium concentration ?
The steps to calculate the equilibrium concentration have been explained below.
Equilibrium concentration is a state in a chemical reaction, at which the rate of forward reaction becomes the same as the rate of backward reaction.
Calculating equilibrium concentration requires several steps depending on the type of equilibrium you are dealing with which are,
1)Write the balanced chemical equation for the reaction.
2)Write the equilibrium expression that describes the relationship between the concentrations of the reactants and products at equilibrium.
3)Determine the initial concentrations of the reactants and/or products
4)Determine the direction of the reaction by comparing the initial concentrations of the reactants and products with the equilibrium constant (Keq).
5)Calculate the change in concentration between the equilibrium concentration and the initial concentration.
6)Calculate the equilibrium concentration by adding the change in concentration to the initial concentration.
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A probability experiment is conducted in which the sample space of the experiment is S ={6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17}. Let event E={6, 7, 8, 9. 10, 11, 12, 13}. Assume each outcome is equally likely. List the outcome in E°. Find P(E°).
The complement of event E, E°, is {14, 15, 16, 17}. The probability of event E° is 1/3, as all outcomes in the sample space are equally likely, with a probability of 1/12.
E° is the complement of event E. It is the set of all outcomes that are not in event E and can be expressed as E° = {14, 15, 16, 17}.The probability of event E° is calculated by summing the probabilities of all outcomes in the event, P(E°) = P(14) + P(15) + P(16) + P(17). Since all outcomes in the sample space are equally likely, the probability of each outcome is 1/12. This means that the probability of event E° is calculated as follows:
P(E°) = 1/12 + 1/12 + 1/12 + 1/12 = 4/12 = 1/3.
Therefore, The complement of event E, E°, is {14, 15, 16, 17}. The probability of event E° is 1/3, as all outcomes in the sample space are equally likely, with a probability of 1/12.
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In the figure below, m/RSP = 79°, m
P
What is m/QRP?
OA. 90°
OB. 60°
OC. 150°
OD. 50°
S
R
Note picture not drawn to scale
Therefore , the solution of the given problem of angle comes out to be
m∠QRP = 50 degree.
What exactly is an angle?In Euclidean space, an angle is a structure that consists of two poles who split at its apex and apex, which are located in its centre. The sides or loops are the name given to these rays. Combining two rays could result in an inclination within the planes in that they are located. Two planes can be combined to form angles as well. These are referred to as dihedral angles. Two line rays at their end points can be arranged in many ways to produce patterns in two dimensions.
Here,
Given :
m∠RSP = 79 , m∠SPR = 40 and m∠QRS = 111
To find the angle m∠QRP
So,
First find the angle ∠SRP
Thus ,
it is a triangle
79 + 40 + ∠SRP = 180
=> ∠SRP = 180 - 79 -40
=>∠SRP = 61 degree
and
=> m∠QRP = m∠QRS - ∠SRP
=> m∠QRP = 111 - 61
=> m∠QRP = 50 degree.
Therefore , the solution of the given problem of angle comes out to be
m∠QRP = 50 degree.
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Which equation does the graph of the systems of equations solve?
• -x^2+2x+3=x^2-4x+3
•x^2-2x+3=2x^2-4x+3
•x^2-2x+3=2x^2-4x-3
•-x^2-2x+3=x^2-4x+3
The equation that the graph of the systems of equations solve is:
x^2 - 2x + 3 = 2x^2 - 4x + 3
This is the second equation listed.
how to divide fractions with whole numbers and mixed numbers
To multiply, flip (or invert) the divisor into a reciprocal, then start changing the division sign to a multiplication symbol. If you can, simplify your response.
1. Use a division sign to start writing the entirety and the mixed numbers as improper fractions.
2. Write this same divisor's mutual recognition as well as replace the division sign with a multiplication sign.
3. Simplify any common factors in which it actually occur.
4. To achieve the outcome, simply multiply the numerators and denominators together.
Let us try this: 3½ ÷ 2
Rewrite 3½ as an invalid fraction.
i.e, 7/2 ÷ 2/1
Write the reciprocal of the divisor and replace with, 7/2 × 1/2 = 7/4
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what is km to miles per hour?
Kilometers per hour (km/h) and miles per hour (mph) are both units of speed used to measure how fast something is moving.
Kilometers per hour are the standard unit of speed used in most countries that use the metric system, while miles per hour is more commonly used in the United States and other countries that use the imperial system.
To convert km/h to mph, you can multiply the speed in kilometers per hour by 0.621371. This conversion factor is based on the fact that one mile is equivalent to 1.60934 kilometers. Converting between these two units is a common task when traveling, driving, or using fitness trackers or GPS devices.
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A tank that currently contains 2500 gallons of oil is being emptied at a rate of 25 gallons per minute. The capacity of this tank is 3000 gallons. Let c be the capacity of the tank, and t be the time. Write an equation that relates the two quantities.
Answer:
The rate at which the tank is being emptied is 25 gallons per minute, which means that the change in the amount of oil in the tank per minute is -25. Let's assume that the initial amount of oil in the tank is 2500 gallons and the capacity of the tank is 3000 gallons.
The equation that relates the amount of oil in the tank, V, and time, t, is given by:
V = 2500 - 25t
This equation represents a linear relationship between the amount of oil in the tank and time. As time increases, the amount of oil in the tank decreases linearly at a rate of 25 gallons per minute.
The capacity of the tank, c, is 3000 gallons, which means that the tank will be completely emptied after:
t = (3000 - 2500) / 25 = 20 minutes
After 20 minutes, the amount of oil in the tank will be:
V = 2500 - 25(20) = 2000 gallons
ASAP PLEASE HELP ME MY HOMEWORK DEADLINE IS TONIGHT.
Based on angle relationship, the missing angles are:
1. Angle a = 108°; reason: alternate interior angles
2. Angle b = 43°; reason: corresponding angles
3. Angle c = 114°, reason: corresponding angles are congruent.
4. Angle d = 101°; reason: same-side interior angles .
5. Angle e = 82°, reason: alternate interior angles
angle f = 82°, reason: vertical angles
6. Angle g = 67°, reason: corresponding angles
Angle h = 113°, reason: same-side interior angles
7. Angle i = 127°, reason: corresponding angles
Angle j = 53° [reason: linear pair angles]
8. k = = 156° [reason: supplementary angles]
l = 24° [reason: alternate exterior angles]
9. m = 72° [reason: alternate exterior angles]
10. n = 86° [reason: supplementary angles]
11. p = 25° [reason: supplementary angles]
12. q = r = 61° [reason: supplementary angles]
How to Calculate the Missing Angle Using Angle Relationship as Reasons?To calculate a missing angle in a figure using angle relationships, follow these steps:
Identify the type of figure and its relevant angles. Depending on the figure, there may be different angle relationships that can be used to calculate the missing angle.Use the angle relationships and the given angle measures to set up an equation to solve for the missing angle. Some common angle relationships include: corresponding angles which are equal, alternate exterior or interior angles, which are congruent, etc.Therefore:
1. Angle a = 108°, the reason is: alternate interior angles are congruent.
2. Angle b = 43°, the reason is: corresponding angles are congruent.
3. Angle c = 114°, the reason is: corresponding angles are congruent.
4. Based on the same-side interior angles theorem (angle relationship), we have:
d = 180 - 79
d = 101°
5. Angle e = 82°, the reason is: alternate interior angles are congruent.
angle f = 82°, because, vertical angles are congruent.
6. Angle g = 67°, the reason is: corresponding angles are congruent.
Angle h = 180 - 67 = 113°, the reason is: same-side interior angles are supplementary.
7. Angle i = 127°, the reason is: corresponding angles are congruent.
Angle j = 180 - 127 = 53° [reason: linear pair angles]
8. k = 180 - 24 = 156° [reason: supplementary angles]
l = 24° [reason: alternate exterior angles are congruent]
9. m = 72° [reason: alternate exterior angles are congruent]
10. n = 180 - 94 = 86° [reason: supplementary angles]
11. p = 180 - 155 = 25° [reason: supplementary angles]
12. q = r = 180 - 119 = 61° [reason: supplementary angles]
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Check that Han's answer is correct by calculating the product of 2. 43 and 13
The product of 2.43 and 13, which is the result of the multiplication operation, is 31.59.
What is the product of numbers?The product of two or more numbers is the result of the multiplication operation performed on the numbers.
Multiplication operation is one of the four basic mathematical operations, including addition, subtraction, and division.
The multiplication operation involves the multiplicand, the multiplier, the multiplication operand (x), the equal symbol (=), and the result, known as the product.
2.43 x 13 = 31.59
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What is an example of a histogram?
The example of histogram is dataset of exam scores of 100 students, with scores ranging from 50 to 100
A histogram is a graphical representation of the distribution of a dataset. It is a way to visualize the frequency distribution of a set of continuous or discrete data. Here's an example of a histogram:
Suppose we have a dataset of exam scores of 100 students, with scores ranging from 50 to 100. We can create a histogram to visualize the distribution of scores. The histogram will have a vertical axis representing the frequency of scores and a horizontal axis representing the range of scores. We can divide the horizontal axis into equal intervals, called bins, and count the number of scores falling into each bin.
The histogram is shown in the figure
In this example, the histogram shows that most students scored between 70 and 80, with a few students scoring below 60 and above 90.
The histogram also shows that the distribution of scores is roughly symmetrical, with no outliers.
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How to calculate pythagorean triple online
There are various online tools and calculators available to calculate Pythagorean triples, which are sets of three integers that satisfy the Pythagorean theorem a² + b² = c², with c being the hypotenuse of a right triangle.
To calculate Pythagorean triples online, you can use tools such as online Pythagorean triple calculators, which allow you to input the value of one of the sides of a right triangle and then automatically generate the values of the other two sides. Some online calculators also allow you to enter a range of numbers and generate a list of all the Pythagorean triples within that range.
Other tools include apps and software that can be downloaded onto your computer or mobile device. These tools are useful for solving problems in geometry, physics, and other fields that involve right triangles and the Pythagorean theorem.
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A recipe requires 1 1/2, cups of milk for every 1/2 of a cup of flour. What is the ratio of
cups of milk to one cup of flour?
Answer:
So the ratio of cups of milk to one cup of flour is 3:1.
Step-by-step explanation:
We can start by multiplying the denominator by 2 to get a denominator of 1:
1/2 * 2 = 1
Now we need to multiply the numerator by 2 as well to keep the ratio the same:
1 1/2 * 2 = 3
what is 3 4 as a decimal
3/4 in a decimal, divide the denominator by the numerator to get 3/4 as a decimal 3/4 is 0.75.
We divide the numerator by the denominator to convert a fraction to a decimal number. This results in a decimal value because, when dividing, we add the decimal place and then add the necessary number of zeros to finish the division.
3/4
3[1/2 x 1/2]
3 x [0.5 x 0.5]
3 x 0.25
0.75
To convert a fraction to a decimal, all you have to do is divide the numerator by the denominator. We position the number over its place value when converting a decimal to a fraction.
Just dividing the numerator by the denominator is all that is required to convert a fraction to a decimal.
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Where will the hour hand of a clock stop if it starts: from 7 and turns through 1 right angle?
The supplied statement states that the clock will stop following 12 hours, or at 7.
Why is it referred to as a clock?The term clock has cognates in several European languages and is derived from the antique Latin word for "bell," "clocca." The Medieval Low German and Late Dutch words Klocke were used to create the English term clock, which was transmitted to England first from Low Countries.
Step 1: Discovering that connection
From 12 am to 12 pm it moves 360° ⇒12 hours
1° ⇒ 12/360 hours………(1)
Step 2: Determine where a clock's hands will stop using relation (1).
Right angles are 90° at one.
1° ⇒ 12/360 hours
90° ⇒ 12/360 * 90 hours = 12 hours
As a result, the clock will stop at 7 after 12 hours.
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A ∩ ∅ = A. true or false
1. Tanya used 3(3/8) yards of fabric to maker her dress, and she used 1(1\3) yards of fabric to make her jacket. What was the total amount of yards?
A. 4(1/8)
B. 4(1/6)
C. 4(4/11)
D. 4(1/2)
E. 4(17/24)
The total amount of yards are 4(1/8).
To find the total amount of fabric Tanya used, we need to add the amount of fabric she used for the dress and the amount of fabric she used for the jacket.
Tanya used 3(3/8) yards of fabric for the dress and 1(1/3) yards of fabric for the jacket. We can add these two amounts by finding a common denominator for the fractions and adding the whole numbers:
3(3/8) + 1(1/3) = 3(9/24) + 1(8/24)
=> 3(17/24)
Therefore, Tanya used a total of 3(17/24) yards of fabric. This can be simplified to:
=> 3(17/24) = 4(1/8)
So the answer is A. 4(1/8).
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What are the possible values of x and y for two distinct points, (5, –2) and (x, y), to represent a function?
The value of x can be
.
The value of y can be
.
Answer:
The value of x can be 10
The value of y can be -4
Step-by-step explanation:
Assume the function is linear of the form
y = mx
When x = 5, y = -2
Simply multiply x by 2 and equivalently multiply -2 by 2
x = 5 x 2= 10
y = -2 x 2 = -4
361 divided by 2,510
0.14382470119, rounded to 0.14, is the answer.
Answer: 0.1438 (to 4 decimal places)
Liam is setting up folding chairs for a meeting. If he arranges the chairs in 4 rows of the same length, he has 3 chairs left over. If he arranges the chairs in 2 rows of that same length, he has 19 left over. How many chairs does Liam have?
Liam has 19 chairs.
According to given information :Let x be the number of chairs Liam has.
According to the problem, x = 4a + 3 and x = 2b + 19 for some integers a and b.
Equating these two expressions, we get:
4a + 3 = 2b + 19
4a - 2b = 16
2a - b = 8
Therefore, b = 2a - 8.
Substituting this expression for b into x = 2b + 19, we get:
x = 4a + 35
Now, since x = 4a + 3, we have:
4a + 3 = 4a + 35 - 32
Therefore, x = 4a + 35 = 2(2a + 4) + 3 = 2b + 19, where a = 4 and b = 11.
Thus, Liam has x = 4a + 3 = 4(4) + 3 = 19 chairs.
What is system of equation ?The solution to this problem involves the use of two key mathematical concepts: algebraic equations and systems of equations.
We are given two equations in terms of the same variable x, each representing a different way of arranging chairs. By setting these two equations equal to each other, we obtain an equation in terms of x that allows us to find a value of x that satisfies both of the original equations simultaneously. This process of setting two equations equal to each other is an example of solving a system of equations.
To solve the resulting equation, we use algebraic manipulation to isolate the variable x on one side of the equation. This involves a combination of simplification, substitution, and rearrangement of terms. Ultimately, we arrive at a specific value of x that satisfies both equations, which is the answer to the problem.
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what is 55kg in lbs?
According to the conversion, 55 kg is equal to approximately 121.25 lbs.
In the world of mathematics, measurement plays a vital role in determining the quantity, weight, and size of any object. The standard units of measurement are different in various countries, and knowing how to convert from one unit to another is essential.
The question posed is, "What is 55 kg in lbs?" Here, 'kg' is a unit of mass, commonly used in the metric system, whereas 'lbs' stands for pounds, which is a unit of weight in the Imperial system. To convert from kg to lbs, we need to multiply the given value by a conversion factor.
1 kg is equal to 2.20462 pounds. Hence, we can use this conversion factor to convert 55 kg to lbs as follows:
55 kg x 2.20462 lbs/kg = 121.2542 lbs (rounded off to two decimal places)
In conclusion, understanding measurements and being able to convert from one unit to another is a fundamental aspect of mathematics. In this case, we used the conversion factor of 2.20462 lbs/kg to convert 55 kg to lbs.
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Ashley and Alexandro have to determine if the two lines, y = -2x + 7 and 6x + 3y = 21, are parallel, perpendicular, or neither. Ashley thinks the lines are parallel. Alexandro thinks the lines are neither. Who is correct?
Ashley thinks the lines are parallel is correct. Meanwhile, Alexandro is wrong, he thinks the lines are neither.
The two lines, y = -2x + 7 and 6x + 3y = 21, are parallel because they have the same slope.
To determine if two lines are parallel, we need to check if their slopes are equal.
The slope of the first line, y = -2x + 7, is -2.
The slope of the second line, 6x + 3y = 21, can be found by rearranging the equation to solve for y:
3y = -6x + 21, divided by 3
y = -2x + 7
The slope of the second line is also -2. Since the slopes are equal, the lines are parallel.
However, to determine if two lines are perpendicular, we need to check if the product of their slopes is -1. The slope of the first line is -2, and the slope of the second line is -2.
The product of their slopes is (-2)(-2) = 4, which is not equal to -1. Therefore, the lines are not perpendicular.
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