The function f(x) has five linear factors, including multiple factors, by the Fundamental Theorem of Algebra.
What is the explanation for the above response?The Fundamental Theorem of Algebra states that every polynomial equation of degree n with complex coefficients has exactly n complex roots (counting multiplicities).
Therefore, a fifth-degree polynomial such as f(x) = ax⁵ + bx⁴ + cx³ + dx² + ex + f has five complex roots.
Since every complex root of a polynomial of degree n corresponds to a linear factor of the form (x - r) where r is the root, the function f(x) can be factored as a product of five linear factors, including multiple factors if some roots are repeated.
Therefore, the function f(x) has five linear factors, including multiple factors, by the Fundamental Theorem of Algebra.
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Suppose a survey of 580 women in the United States found that more than 64% are the primary investor in their household. Which part of the survey represents the descriptive branch of statistics? Make an inference based on the results of the survey.64% of women in the sample are the primary investor in their household.
There is an association between U.S. women and being the primary investor in their household.
The sentence "64% of women in the sample are the principal investor in their household" serves as an example of descriptive statistics.
What will the inference be?This sentence provides a summary of the survey's data and a descriptive statistic (percentage) that characterizes the sample's characteristics.
According to the survey's findings, "there is a correlation between American women and being the principal investor in their household." The sample data are used to draw this conclusion about the population. Despite the fact that the sample is not representative of all American women, the findings indicate that a sizable number of the women in the sample are the principal investors in their households.
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the volume of a rectangular pool is 1,080 cubic meters. its length, width, and depth are in the ratio 10:4:1. find the number of meters in each of the three dimesions of the pool
Therefore, the dimensions of the pool are 30 meters in length, 12 meters in width, and 3 meters in depth.
To find the dimensions of the rectangular pool, we first need to determine the ratio of the length, width, and depth. We are given that the ratio is 10:4:1. We can represent this ratio as:
Length = 10x
Width = 4x
Depth = x
Where x is a common factor that we will use to determine the actual measurements of the pool.
Now, we are given that the volume of the pool is 1,080 cubic meters. We can use the formula for the volume of a rectangular prism, which is:
Volume = Length x Width x Depth
Substituting the values we have for the length, width, and depth, we get:
1,080 = (10x) x (4x) x (x)
Simplifying the equation, we get:
1,080 = 40x^3
Dividing both sides by 40, we get:
27 = x^3
Taking the cube root of both sides, we get:
x = 3
Now that we know x is equal to 3, we can find the actual measurements of the pool by substituting x back into the original ratio we were given.
Length = 10x = 10(3) = 30 meters
Width = 4x = 4(3) = 12 meters
Depth = x = 3 meters
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How many different three-digit numbers can be written using digits from the set 1, 2, 3, 4, 5 without any repeating digits?
60 different three-digit numbers can be written using digits from the set 1, 2, 3, 4, and 5 without any repeating digits.
What are numbers?A number is a mathematical object that can be used to count, measure, and label things. The natural numbers 1, 2, 3, 4, and so on are the original examples. Number words can be used to represent numbers in language.To find how many different three-digit numbers can be written using digits from the set 1, 2, 3, 4, and 5 without any repeating digits:
1st Method:
The 1st digit can be written in 5 waysThe 2nd digit can be written in 4 ways (since 1 already gone and no repetition)The 3rd digit can be written in 3 ways (since 2 already gone and no repetition)Total number of ways = 5x4x3 = 60 ways2nd Method:
Permutation (since ORDER MATTERS) of 3 digits chosen among 5 (with no repetition)⁵P₃ = (5!)/(5-3)! = (5!)/(2!) = 60 waysTherefore, 60 different three-digit numbers can be written using digits from the set 1, 2, 3, 4, and 5 without any repeating digits.
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1. Sanchez deposited $3,000 with a bank in a 4-year certificate of deposit yielding 6% interest
compounded daily. Find the interest earned on the investment. (4pts)
The compound interest generated on the investment is roughly $813.67, which is the solution to the question based on compound interest.
What is Principal?The initial sum of money invested or borrowed, upon which interest is based, is referred to as the principle. The principal is then periodically increased by the interest, often monthly or annually, to create a new principal sum that will accrue interest in the ensuing period.
Using the compound interest calculation, we can determine the interest earned on Sanchez's investment:
\(A = P(1 + \frac{r}{n} )^{(n*t)}\)
where A is the overall sum, P denotes the principal (the initial investment), r denotes the yearly interest rate in decimal form, n denotes the frequency of compounding interest annually, and t denotes the number of years.
In this case, P = $3,000, r = 0.06 (6%), n = 365 (compounded daily),
and t = 4.
Plugging in the values, we get:
\(A = 3000(1 + \frac{0.06}{365} )^{(365*4)}\)
A= $3813.67
The difference between the final amount and the principal is the interest earned.
Interest = A - P
Interest = $3813.67 - $3000
Interest = $813.67
As a result, the investment's interest yield is roughly $813.67.
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PLEASE HELP IF POSSIBLE :)
Answer:
Step-by-step explanation:
What is the length of the blue segment in this graph?
A. 1.00 unit
B. 1.50 units
C. 1.75 units
D. 2.00 units
Answer: so sorry for being late but it's C. 1.75 I took the test
For the Adjusted R Squared, which of the following is true: a. Is the same R 2
as in the simple linear regression b. Can decrease if the addition of another X regressor does not lower SSR enough relative to the impact of the increase of k by another X regessor. c. Is between 0 and 1 d. Measures the ratio of the sum of squared residuals compared to the total sum of squares
The correct statement is c. The Adjusted R-squared is a measure used in multiple regression analysis that is between 0 and 1. It is different from the R-squared value in simple linear regression.
The Adjusted R-squared can decrease if the addition of another X regressor does not sufficiently lower the sum of squared residuals (SSR) relative to the impact of increasing the number of predictors (k). It measures the proportion of the variance explained by the predictors, adjusted for the number of predictors and the sample size, rather than the ratio of the sum of squared residuals to the total sum of squares. It provides a measure of how well the regression model fits the data, and it ranges between 0 and 1. A value closer to 1 indicates that a higher proportion of the variance in the dependent variable is explained by the predictors.
Adding another X regressor to the multiple regression model can impact the Adjusted R-squared. If the additional regressor does not significantly contribute to reducing the sum of squared residuals (SSR) relative to the increase in the number of predictors (k), the Adjusted R-squared can decrease. This means that the added regressor does not improve the model's ability to explain the variance in the dependent variable adequately.
However, the Adjusted R-squared does not directly measure the ratio of the sum of squared residuals to the total sum of squares. Instead, it represents the proportion of the variance explained by the predictors, adjusted for the number of predictors and the sample size. It penalizes models with a large number of predictors that may overfit the data, thereby providing a more reliable measure of the model's goodness of fit.
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please someone help quick
Hamed bought some art supplies from an online retailer. The retailer charges a $5.95 shipping fee or 6% of the total purchase price, whichever is greater. If Hamed's total purchase is $124.50.
a) Calculate how much shipping Hamad will pay ?
b) Calculate the total amount Hamad will pay after shipping ?
Answer:
6% of purchase is a) $7.47 and therefore it is the greater of the two options.
b) $131.97 total with shipping
Step-by-step explanation:
$124.50 multiplied by .06 = $7.47 which is greater than $5.95
124.50 + $7.47 = $131.97
Suppose you add or subtract two quadratic trinomials that use the same variable. What are the possible classifications for the sum or difference? Explain.
The sum of a quadratic trinomial with the same variable is twice the individual and the difference will be zero.
What is a quadratic equaton?A quadratic equation is an algebraic expression in the form of variables and constants.
A quadratic equation has two roots as its degree is two.
We know a quadratic equation is of the form ax² + bx + c.
The sum will be,
(ax² + bx + c) + (ax² + bx + c).
= 2ax² + 2bx + 2c.
= 2(ax² + bx + c).
The difference will be,
ax² + bx + c - (ax² + bx + c).
= 0.
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In 2012, the population of a city was 5.04 million. The exponential growth rate was 1.65% per year.
a) Find the exponential growth function.
b) Estimate the population of the city in 2018.
c) When will the population of the city be 7 million?
d) Find the doubling time.
Answer: It will take 24 years to have 7 million.
Step-by-step explanation:
1.65% of 5.04 million is 83,160.
2018 is 6 years from 2012.
83,160 x 6 = 498,960.
498,960k + 5,040,000mil =5,538,960mil. still not quite 7 million.
498,960k x 4 = 1,995,840mil.
1,995,840mil + 5,040,000mil = 7,035,840mil.
It will take the city 24 years to have 7 million.
Triangle NGM is reflected across the x-axis, and is dilated by a factor of 2
1
2
. The dilation center is the origin.
Dilation Starting with our fundamental equation, x^2+y^2=r^2, we can dilate a circle. The point can be found by multiplying the parameters of the vertices in the bounding box by the scale factor when distorting a figure that is centered at the origin.
What does triangle mean?
A triangle is made up of three vertices, three angles, and three sides. A triangle's internal angles add up to 180 degrees. The triangle's third side is longer than the two sides added together. The base plus the height multiplied by half equals the triangle's area.
What are a few examples of dilation?
Dilation refers to a change in size without a change in shape of an object. Depending on the scale, the object's size could grow or shrink.
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Please help me find DE!! and explain please!!
The length of DE is 12 unit.
What is Trigonometry?The area of mathematics that deals with particular angles' functions and how to use those functions in calculations. There are six popular trigonometric functions for an angle. Sine (sin), cosine (cos), tangent (tan), cotangent (cot), secant (sec), and cosecant are their respective names and acronyms (csc).
Given:
In Triangle DFC using Trigonometry
sin 45 = B/ H
1/ √2 = DF / 12√2
DF = 12 unit
So, DE= DF + FE
DE = 12 + 9
DE = 12 unit.
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help pls need quick!
\( = (8^{ \frac{4}{2} } \times 6^{ \frac{4}{2} } )^{ \frac{2}{3} } \\ = (8 \times 6)^{ \frac{4}{2} \times \frac{2}{3} } \\ = (8 \times 6)^{ \frac{8}{6} } \\ = (8 \times 6)^{ \frac{4}{3} } \\ = 8 ^{ \frac{4}{3} } \times 6^{ \frac{4}{3} } \)
FIRST OPTION IS THE ANSWER!
4x + 2y = 18 solve for y
If the manufacturer chooses to produce 70,000 units but there is demand for 80,000 units, how much total profit and per-unit profit would be lost?
The manufacturer would lose a total profit of $100,000 and a per-unit profit of $10 by producing 70,000 units instead of the demanded 80,000 units.
To calculate the total profit and per-unit profit lost, we need to consider the difference between the actual production and the demand, as well as the profit per unit.
Let's assume the profit per unit is $10.
The manufacturer produces 70,000 units, but the demand is for 80,000 units, resulting in a shortage of 10,000 units.
Total profit lost = shortage * profit per unit = 10,000 * $10 = $100,000
Therefore, the total profit lost in this scenario is $100,000.
To calculate the per-unit profit lost, we divide the total profit lost by the shortage:
Per-unit profit lost = total profit lost / shortage = $100,000 / 10,000 = $10
Therefore, the per-unit profit lost in this scenario is $10.
By understanding the difference between the actual production and the demand, as well as the profit per unit, we can determine the total profit and per-unit profit lost when producing fewer units than the demand.
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Which of the following is the solution to the equation 4 over 5n = 20?
n = 4
n = 12
n = 16
n = 25
Answer:
It is 25
Step-by-step explanation:
If the equation is 4/5 x n = 20, you will find the answer by dividing because its the opposite of multiplication.
\(20/\frac{4}{5} = 20x5/4=\\24\)
The answer is 25
I hope this helps :3
A gym's membership in 2012 was 9,300. The current membership is 2,800. Which expression can be used to find the percent of change? WHAT EXPRESSION NOT WHAT THE PERCENT IT.
The expression that can be used to find the percent of change between the gym's membership in 2012 and the current membership is ((Current Value - Initial Value) / Initial Value) \(\times\) 100.
To find the percent of change between the gym's membership in 2012 and the current membership, we can use the following expression:
Percent of change = ((Current Value - Initial Value) / Initial Value) \(\times\) 100
In this case, the initial value is 9,300 (membership in 2012), and the current value is 2,800 (current membership).
Substituting these values into the expression, we get:
Percent of change = ((2,800 - 9,300) / 9,300) \(\times\)100
Simplifying the expression further, we have:
Percent of change = (-6,500 / 9,300) \(\times\) 100
Therefore, the expression that can be used to find the percent of change between the gym's membership in 2012 and the current membership is ((Current Value - Initial Value) / Initial Value) \(\times\)100. This formula calculates the relative difference between the initial and current values and expresses it as a percentage.
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3-10 A gable roof with a slope of 9 inches per foot has a rake slope of 1.25. If the run is 10 feet and the eaves length is 30 feet. What is the roof area in square foot?A. 300.B. 450.C. 700.D. 800.
The roof area is 468.75 square feet.
To find the roof area, we need to follow these steps:
Determine the rise (vertical distance) using the slope of 9 inches per foot:
Since the run is 10 feet, the rise is 9 inches/foot × 10 feet = 90 inches.
Convert the rise to feet: 90 inches ÷ 12 inches/foot = 7.5 feet.
Calculate the length of the rafter using the Pythagorean theorem:
Rafter length = √(run² + rise²) = √(10² + 7.5²) = √(100 + 56.25) = √156.25 = 12.5 feet.
Determine the total length of the gable roof:
Since the rake slope is 1.25, we have Total length = Rafter length × Rake slope = 12.5 feet × 1.25 = 15.625 feet.
Calculate the roof area:
Roof area = Eaves length × Total length = 30 feet × 15.625 feet = 468.75 square feet.
None of the given options matches the calculated roof area.
It is possible there is a mistake in the question or the provided options.
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Use substitution to find the solution of the system of equations 4x+3y=7 and 3x+5y=8?
The solution to the system of equations is x = 1 and y = 1.
To solve the system of equations using substitution, we start by solving one equation for one variable and substituting it into the other equation. Given the system of equations:
1) 4x + 3y = 7
2) 3x + 5y = 8
We can solve equation 1 for x:
4x = 7 - 3y
x = (7 - 3y)/4
Now, substitute this expression for x into equation 2:
3((7 - 3y)/4) + 5y = 8
Simplify the equation:
(21 - 9y)/4 + 5y = 8
Multiply both sides by 4 to eliminate the fraction:
21 - 9y + 20y = 32
Combine like terms:
11y = 11
Divide both sides by 11:
y = 1
Now, substitute the value of y back into equation 1 to solve for x:
4x + 3(1) = 7
4x + 3 = 7
4x = 7 - 3
4x = 4
x = 1
Therefore, the solution to the system of equations is x = 1 and y = 1.
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If the correlation coefficient is 0.654, what is the explained variation? (give answer as a percent)
Answer:
42.7%
Step-by-step explanation:
Correlation is a statistical measure of inter relationship between two variables' co movement.
Correlation coefficient denotes the direction & extent by which two variables' (same or opposite) movement is linked to each other.
Coefficient of determination = r^2 symbolises percentage of variation in one variable, that can be explained by variation in other variable.
So, in this case r^2 = (0.654)^2 = 0.427716 ; Hence approx 42.7% variation in one variable can be explained by variation in other.
Identify the lower class limits, upper class limits, class width, class midpoints, and class boundaries for the given frequency distribution. Also identify the number of individuals included in the summary.
Age (yr) when award was won Frequency
15-24 27
25-34 33
35-44 14
45-54 4
55-64 6
65-74 1
75-84 1
Lower class limits are 15, 25, 35, 45, 55, 65, 75, Upper class limits are 24, 34, 44, 54, 64, 74, 84, Class width are 10 (all classes have a width of 10), Class midpoints are 19.5, 29.5, 39.5, 49.5, 59.5, 69.5, 79.5, Class boundaries are [15, 25), [25, 35), [35, 44), [45, 54), [55, 64), [65, 74), [75, 84) and Number of individuals included in the summary is 76.
Here are the details for the given frequency distribution:
Lower class limits are the least number among the pair
Here, Lower class limits are 15, 25, 35, 45, 55, 65, 75 respectively.
Upper class limits are the greater number among the pair
Here, upper limit class are 24, 34, 44, 54, 64, 74, 84 respectively.
Class width is the difference between the Lower class limits and Upper class limits which is 10 (all classes have a width of 10).
Class midpoints is the middle point of the lower class limits and Upper class limits which is 19.5, 29.5, 39.5, 49.5, 59.5, 69.5, 79.5 respectively.
Class boundaries are the extreme points of the classes which are [15, 25), [25, 35), [35, 44), [45, 54), [55, 64), [65, 74), [75, 84) respectively.
Number of individuals = 27 + 33 + 14 + 4 + 6 + 1 + 1
= 76
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The inverse square law shown in this Interactive, B(d)=
4πa
2
L
, relates luminosity, L, the actual power output of a light source (eg. 100 watts for a bright lightbulb), to its brightness, B(d), how much light per area we receive as a function of our distance from the light source, d 1st attempt his See Periodic Table Either directly using the inverse square law or extrapolating from the trend you see on the graph on the Interactive, determine how bright the Sun would appear compared to its brightness on Earth as viewed from a distance of 10 AU?
The brightness of the Sun as viewed from a distance of 10 AU compared to its brightness on Earth can be determined using the inverse square law. The Sun would appear approximately 1/100th (or 0.01) as bright as it appears from Earth at this distance.
The inverse square law states that the brightness of a light source decreases as the square of the distance from the source increases. In this case, we are comparing the brightness of the Sun on Earth to its brightness when viewed from a distance of 10 AU (astronomical units). Since AU is a unit of distance used to measure distances within the solar system, 1 AU represents the average distance between the Earth and the Sun, approximately 93 million miles or 150 million kilometers.
Using the inverse square law, we can calculate the relative brightness. If we consider the distance from the Sun on Earth as d1 and the distance from the Sun at 10 AU as d2, the brightness ratio (B(d2)/B(d1)) is equal to (d1/d2)^2. Substituting the values, we find that the Sun would appear approximately 1/100th (or 0.01) as bright when viewed from a distance of 10 AU compared to its brightness on Earth. Therefore, the Sun would appear significantly dimmer when observed from such a distance in the solar system.
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solve the system of equations
Answer:
(2, 3)
Step-by-step explanation:
9x - 7y = -3
+ -9x + 15y = 27
8y = 24 (Divide by 8 on both sides)
8 = 8
y = 3
Substitute y = 3 in any of the two equations.
9x - 7(3) = -3
9x - 21 = -3
+21 = +21 (Add 21 on both sides)
9x = 18 (Divide by 9 on both sides)
9 = 9
x = 2
for geometry:(
will give brainist to the correct answer!!!
Answer:
y = ⅔x - 5
Step-by-step explanation:
The line that is parallel to 2x - 3y = 24, would have the same slope as the line, 2x - 3y = 24.
Rewrite;
2x - 3y = 24
-3y = -2x + 24
Divide both sides by -3
y = ⅔x - 8
Thus, the slope of 2x - 3y = 24 is ⅔.
Therefore the line that is parallel to 2x - 3y = 24, will have a slope (m) of ⅔.
Using point-slope form, we can generate an equation that passes through (-3, -7) and is parallel to 2x - 3y = 24.
Thus, substitute (a, b) = (-3, -7) and m = ⅔ into y - b = m(x - a)
Therefore:
y - (-7) = ⅔(x - (-3))
y + 7 = ⅔(x + 3)
Rewrite in slope-intercept form.
Multiply both sides by 3
3(y + 7) = 2(x + 3)
3y + 21 = 2x + 6
3y = 2x + 6 - 21
3y = 2x - 15
Divide both sides by 3
y = ⅔x - 5
The point P (5, -1) is rotated 90 degrees clockwise around the origin.
What are the coordinates of the resulting point, P?
A. (-1,-5)
B. (-1, 5)
C. (-5,-1)
Please :)
When the point P (5, -1) is rotated 90 degrees clockwise around the origin, the resulting point P has coordinates (-1, -5). This means that the new x-coordinate is -1 and the new y-coordinate is -5.
Rotation in mathematics refers to the circular movement or transformation of a figure or object around a fixed point called the center of rotation. It is a fundamental concept in geometry and is used to describe the movement of points, shapes, or coordinate systems in two-dimensional (2D) or three-dimensional (3D) space.
In 2D geometry, a rotation involves rotating a figure about a point by a certain angle. The angle of rotation can be measured in degrees or radians. A positive angle of rotation indicates a counterclockwise rotation, while a negative angle represents a clockwise rotation.
The coordinates of the point P (5, -1) after a 90-degree clockwise rotation around the origin can be found using a few steps.
First, let's visualize the rotation. Imagine a coordinate plane with the point P (5, -1) located in the first quadrant. When we rotate the point 90 degrees clockwise around the origin, it will end up in the fourth quadrant.
To find the new coordinates, we can use the formula for a 90-degree clockwise rotation: (x', y') = (y, -x).
Applying this formula to point P, we get:
x' = -1
y' = -(5)
Therefore, the new coordinates of point P after the rotation are (-1, -5).
So the correct answer is A. (-1, -5).
To summarize, when the point P (5, -1) is rotated 90 degrees clockwise around the origin, the resulting point P has coordinates (-1, -5). This means that the new x-coordinate is -1 and the new y-coordinate is -5.
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A group of people were asked if they had run a red light in the last year. 248 responded "yes", and 106 responded "no".
How do I solve this?
Answer:
Im confused what are u supposed to do ?
Step-by-step explanation:
I urgently need help!! Please!!
Answer: f= \(x^2+4x+8+(7/3x-4)\)
Step-by-step explanation:
Careful with simplifying every step.
Find v.
Write your answer in simplest radical form.
Answer:
v=3√3in
Step-by-step explanation:
Answer:
3√3in c:
Step-by-step explanation:
HELPO THIS IS DUE SUPER SOOONN!!! SHOW WORK
Answer:
5x^2-4x-1
Step-by-step explanation:
(2x^2+5x+17)+(3x^2-9x-18)
5x^2-4x-1
Determine if the two triangles are congruent.
Answer:
sas
Step-by-step explanation:
vertical angle stuffs