The closest answer among the given options is B) 2,100.
To estimate the number of people in the town who would name chocolate as their favorite ice-cream flavor, we can use proportions. We know that 7 out of 50 people in the sample named chocolate as their favorite. To find the proportion of chocolate lovers in the sample, we can divide the number of chocolate lovers by the total number of people surveyed:
7 chocolate lovers / 50 people surveyed = 0.14
Now, we can apply this proportion to the total population of the town to estimate the number of chocolate lovers:
0.14 * 14,878 (total population) ≈ 2,082.92
Since we can't have a fraction of a person, we can round this number to the nearest whole number:
Approximately 2,083 people in the town would be expected to name chocolate as their favorite ice-cream flavor.
The closest answer among the given options is B) 2,100.
I have 45 min 2 attempts help pls!!!
The missing points of the table at x = 5, y = 1 and y = 0 has been completed in the table attached.
How to complete the table of the graph?
In general, to complete a table based on a graph, you need to follow these steps:
Look at the graph carefully and identify the variables represented on each axis.Determine the range of values for each variable.Decide on the intervals or steps you want to use for the table, based on the level of detail required.Create a table with the appropriate number of columns and rows.Label the columns and rows with the variables and their corresponding units.Fill in the table by reading the values of the dependent variable (y-axis) for each value of the independent variable (x-axis) and recording them in the appropriate cell of the table.Learn more about completing graph tables here: https://brainly.com/question/29298329
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NEED HELP ASAP, WILL GIVE BRAINLIEST!!
In the figure shown, angle 1 has a measure of 90° and angle 2 has measure of 38°. Using angles 4, 3, and 2 write an equation and solve for angle 3. Then solve for angle 6 & 5.
Equation for Angle 3-
Angle 3=
Angle 5=
Angle 6=
Answer:
Equation for Angle 3- 90-38=52
Angle 3= 52
Angle 5= 38
Angle 6= 52
Step-by-step explanation:
Angle is 90 degrees.
Angle 2 is 38 degrees.
If you are just looking at the bottom half(Angle 6, Angle 1, and Angle 2) They are all supposed to add up to equal 180 degrees because it is a supplementary angle.
So you add 90 and 38 and it gives you 52(Angle 6).
90+38+52=180
Then a complementary angle is two angles that equal 90 degrees.
So if you take Angle 2(38 degrees) and subtract it from 90, you get 52. Which is Angle 3.
You do the same with Angle 6 and Angle 5.
Angle 6(52 degrees) subtract from 90 and you get 38.
Then you add 38 and 52 and you get 90.
Then 180-90=90, so Angle 4 is 90 degrees.
What is the domain of the radical function shown below?
What is the domain of the radical function shown below?
The required domain of the given function f(x) = √x+4 is (D) {x|x ≥ -4} respectively.
What is a domain?The domain of a function is the set of values that we are allowed to enter into our function.
This collection includes the x values for functions like f(x).
The set of values that a function can accept as input is known as its range.
The function outputs this list of values once we enter an x value.
Think about the equation y = f(x), where x and y are the independent and dependent variables.
If a value for x successfully enables the creation of a single value y using another value for x, it is said to be in the domain of the function f.
Considering the function's expression:
f(x) = √x+4
We are aware that the set of input values for which the function is real and defined constitutes the function's domain.
We are aware that for the function to continue to be defined, the value included within the radical expression must be larger than or equal to 0.
x+4 ≥ 0
Take 4 off of both sides.
x+4-4 ≥ 0-4
x ≥ 4
Then, the domain is:
{x|x ≥ -4}
Therefore, the required domain of the given function f(x) = √x+4 is (D) {x|x ≥ -4} respectively.
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Correct question:
The graph of the function f(x)=V x+4 is shown below. The domain of the function?
11. What is the slope of the line y=1/2x-2
a.-2 b. -1/2
c.1/2
d. 2
ans. (c) 1/2
given line,
y = 1/2 x -2
we know that the slope form of the line is given by
y =mx+c
comparing both equations we get
m= 1/2
hence, the slope is 1/2
I NEED HELP ON THIS ASAP!!!
The exponential function f(x) = 2^x is given by the blue graph on the given graph.
What is an horizontal asymptote?The horizontal asymptote of a function is the value of f(x) as x goes to infinity, as long as this value is different of infinity.
The function in this problem is defined as follows:
y = 2^x.
Two relevant numeric values are given as follows:
When x = -1, y = 2^(-1) = 1/2 = 0.5.When x = 0, y = 2^0 = 1.Hence the function is represented by the blue graph.
The horizontal asymptote is of y = 0, as when x goes to negative infinity, y goes to zero.
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slope-reliability) with respect to the 3-sigma rule used in reliability analysis, studies have shown that even experts tend to under-predict the range in parameter values (max-min). however, this is conservative because it leads to a smaller estimate of reliability. true false
The statement "with respect to the 3-sigma rule used in reliability analysis, studies have shown that even experts tend to under-predict the range in parameter values (max-min). however, this is conservative because it leads to a smaller estimate of reliability" is true because studies have shown that experts tend to under-predict the range in parameter values when using the 3-sigma rule, leading to a conservative estimate of reliability.
The 3-sigma rule is a widely used method in reliability analysis that assumes the range of parameter values is within three standard deviations of the mean value. However, studies have shown that experts tend to under-predict the range of parameter values.
This under-prediction can result in a conservative estimate of reliability because it leads to a smaller range of possible outcomes. In other words, the estimated reliability is likely to be lower than the actual reliability. Therefore, it is important to take into account the potential for under-prediction when using the 3-sigma rule and to use other methods to estimate reliability as well.
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Explica por qué las siguientes expresiones representan el mismo valor.
a) 10 - (-2)
b) -10 +2
after calculating both the expressions we can conclude that both expressions represent the same value of 12.
what is expression ?Mathematical operations including multiplication, division, addition, and subtraction are possible. The construction of an expression looks like this: Expression, number, and mathematical operator Numbers, variables, and functions are the elements of a mathematical expression (such as addition, subtraction, multiplication, and division, etc.). Expressions and phrases can be contrasted. Expressions are any equations that comprise numbers, variables, and an arithmetic operation. They are occasionally referred to as algebraic expressions. For instance, the value of m in the computation of 4m + 5 is the same as the word m in the provided equation, which has been separated from the figures 4m and 5 by the mathematical symbol +.
given,
Since subtracting a negative integer is equivalent to adding its positive counterpart, the expressions "10 - (-2)" as well as "-10 + 2" have the same meaning.
To be more precise, "10 - (-2)" denotes starting with a value of 10 and then deducting a negative value of -2. The positive value of an amount that is negative may be subtracted without affecting it, and vice versa. Therefore, "10 - (-2)" equals "10 + 2," making 12 the result.
The expression "-10 + 2" on the opposite hand suggests that we start with an amount of -10 and subsequently add a value of 2.
A positive number is equal to its negative counterpart when added to a negative number. Because of this, "-10 + 2" equals "-10 - (-2)", which also equals 12.
Therefore, both expressions represent the same value of 12.
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write quadratic formula
Answer:
x=9,-2
Step-by-step explanation:
in this case [tex]x^{2} -7x-18[/tex]
you can chose if you want the -7x and -18 to be a or b because [tex]x^{2}[/tex] would be c.
What is the area, in square inches, of the trapezoid below?
Answer:
Step-by-step explanation:
Split it into 3 shapes.
2 triangles and 1 square.
The squares answer is 53.25 And for the triangles you would get 26 and there are 2 triangles so 52.
52+53.25=105.25.
What is the equation of this circle in general form?
Responses
x2+y2−2x−6y−26=0
x squared plus y squared minus 2 x minus 6 y minus 26 equals 0
x2+y2+2x+6y−26=0
x squared plus y squared plus 2 x plus 6 y minus 26 equals 0
x² + y² + 2x + 6y + 4 = 0
x, ² +, y, ² + 2, x, + 6, y, + 4 = 0
x2+y2−2x−6y+4=0
Answer: for future k-12 kids :)
Step-by-step explanation:
Answer:
(a) x² +y² -2x -6y -26 = 0
Step-by-step explanation:
You want the equation for the circle with center (1, 3) and radius 6 written in general form.
Circle equationThe standard form equation for a circle with center (h, k) and radius r is ...
(x -h)² +(y -k)² = r²
The radius and center are found from the graph, attached. For the circle centered at (h, k) = (1, 3) and radius r = 6, this is ...
(x -1)² +(y -3)² = 6²
Expanding this equation gives ...
x² -2x +1 +y² -6y +9 = 36
Written in general form, the equation becomes ...
x² +y² -2x -6y -26 = 0 . . . . matches choice A
__
Additional comment
There is an image of this question showing the correct answer choice is the third one. However, that answer choice shows up first on this instance of the question. You will need to read and compare answer content to make sure you have the correct choice. You cannot go by the order of the the answers.
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“Write a proof to show that the triangles are congruent.”
The given triangles ABD and CBD are congruent because their corresponding sides and angles are equal.
What are congruent triangles?Congruent triangles are two triangles that have exactly the same size and shape. In other words, all corresponding sides and angles of the two triangles are equal.
There are several ways to show that two triangles are congruent, including:
Side-Side-Side (SSS) Congruence: If the three sides of one triangle are equal to the three sides of another triangle, then the two triangles are congruent.
Side-Angle-Side (SAS) Congruence: If two sides and the included angle of one triangle are equal to two sides and the included angle of another triangle, then the two triangles are congruent.
Angle-Side-Angle (ASA) Congruence: If two angles and the included side of one triangle are equal to two angles and the included side of another triangle, then the two triangles are congruent.
In the given triangles ABD and CBD, each of their angles is 60⁰, since the triangles are equilateral, so the triangles are congruent.
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Calculate the GDP if the consumers of a country spent R220 billion the government spends R50 billion and businesses spend R100 billion exports totaled R25 billion and imports R32 billion (show all calculations)
The GDP of the hypothetical country in this case is R363 billion.
To calculate GDP, we use the following formula:
GDP = C + G + I + NX
where:
C = consumer spending
G = government spending
I = business investment
NX = net exports (exports - imports)
Now, let's plug in the given values into the formula and calculate the GDP:
GDP = R220 billion (C) + R50 billion (G) + R100 billion (I) + (R25 billion - R32 billion) (NX)
GDP = R220 billion + R50 billion + R100 billion - R7 billion
GDP = R363 billion
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Solve for the value of t. (9t+3)º (4t-5)°
Answer:
13
Step-by-step explanation:
The given angles are on a straight line and they are supplementary angles which means their sum is 180°
According to the above mentioned information, we can write the following equation to find the value of t:
9t + 3 + 4t - 5 = 180
Add/subtract like terms.13t - 2 = 180
Add 2 to both sides of the equation.13t = 182
Divide both sides by 13.t = 14
The absolute maximum value of f(x)= x^3 -3x^2 +12 on the closed interval [-2,4] occurs at x=a) 4b) 2c) 1d) 0e) -2
The absolute maximum value of f(x) on the closed interval [-2, 4] occurs at x = -2 and x = 0, and the maximum value is 16. So the answer is option (e) -2.
To find the absolute maximum value of the function f(x) = x³ - 3x² + 12 on the closed interval [-2, 4], we need to evaluate the function at the critical points and at the endpoints of the interval, and then choose the largest value.
To find the critical points, we take the derivative of the function and set it equal to zero
f'(x) = 3x² - 6x = 3x(x - 2)
Setting f'(x) = 0 gives x = 0 and x = 2 as critical points.
Next, we evaluate the function at the critical points and at the endpoints of the interval
f(-2) = (-2)³ - 3(-2)² + 12 = 16
f(0) = (0)³ - 3(0)² + 12 = 12
f(2) = (2)³ - 3(2)² + 12 = 4
f(4) = (4)³ - 3(4)² + 12 = 4
Therefore, the correct option is (e) -2
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The absolute maximum value occurs at x = 4, with a value of 28. So, the answer is a) 4.
We occasionally encounter operations with hills and valleys. Hill and valley points in polynomial functions typically have many locations. We are aware that these places, which can be categorized as maxima or minima, are the function's critical points. The valley points are referred to as minimal and the hill points are as maxima. We must determine the locations of the function's global maxima and global minima, which are known as the minimum and maximum values, respectively, due to the fact that there are several maxima and minima.
To find the absolute maximum value of the function [tex]f(x) = x^3 - 3x^2 + 12[/tex] on the closed interval [-2, 4], we need to examine the critical points and the endpoints of the interval.
First, find the critical points by taking the derivative of f(x) and setting it equal to 0:
[tex]f'(x) = 3x^2 - 6x\\0 = 3x^2 - 6x\\0 = 3x(x - 2)[/tex]
The critical points are x = 0 and x = 2.
Next, evaluate the function at the critical points and the interval endpoints:
[tex]f(-2) = (-2)^3 - 3(-2)^2 + 12 = -8 - 12 + 12 = -8\\f(0) = 0^3 - 3(0)^2 + 12 = 12\\f(2) = 2^3 - 3(2)^2 + 12 = 8 - 12 + 12 = 8\\f(4) = 4^3 - 3(4)^2 + 12 = 64 - 48 + 12 = 28[/tex]
The absolute maximum value occurs at x = 4, with a value of 28. So, the answer is a) 4.
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Can someone please help me on this?
Answer: angle(s) A on the left.
Step-by-step explanation:
Complementary angles are angles whose sum equals 90, which is a righ angle (forms a corner)
Find the surface area of the cube if it is 3/4 cm wide. Enter your answer as a fraction, please. Just enter the number, not the unit.
The surface area of the cube is 3 6/16 cm²
How to determine the valueTo determine the value of the surface area of the cube, we need too know the formula
The formula for calculating the surface area of a cube is represented as;
Surface area = 6a²
Such that the variable 'a' is the length of the side of the cube
From the information given, we have that;
a = 3/4
Substitute the value, we get;
Surface area = 6 (3/4)²
find the squares
Surface area = 6(9/16)
Multiply the values
Surface area = 3 6/16 cm²
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HELP!! I am soooo lost!! And Ineed quick help! 20 points!
From the knowledge of vertical angle theorem, angle TXS is equal to angle RXU which is equal to
62 degreesWhat is vertical angle?Vertical angles are a pair of non-adjacent angles formed by the intersection of two straight lines.
When two lines intersect at a point, they form four angles around that point, and the vertical angles are the pair of opposite angles, which are across from each other and not adjacent.
Vertical angel theorem have it that Vertical angles are congruent, which means that they have the same measure or size. This theorem helps us in providing a correct answer for the problem
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ris poll asked a random sample of 1,015 adults nationwide the following question: are you afraid of being alone in an elevator? 10% of the people in the in the sample answered yes. the se of the sample % is about 0.94%. a) an approximate 95% confidence interval for the percentage of all american adults who are afraid of being alone in an elevator is closest to incorrect 9.94%-10.06% correct: 8.12%-11.88%
Answer: The correct answer is 8.12%-11.88%.
We can use the formula for a confidence interval for a proportion:
p ± z*SE
where p is the sample proportion, z* is the z-score corresponding to the desired level of confidence (in this case, 1.96 for a 95% confidence interval), and SE is the standard error of the proportion.
SE = sqrt(p*(1-p)/n) = sqrt(0.1*0.9/1015) = 0.0094
Plugging in the values, we get:
0.1 ± 1.96*0.0094
= 0.1 ± 0.0184
So the 95% confidence interval is (0.0816, 0.1184), which is equivalent to 8.12%-11.88%.
Step-by-step explanation:
Type the correct answer in the box. Use numerals instead of words.
For this item, if the answer is not a whole number, enter it as a fraction in simplest form using / as the fraction bar.
Isolde is stacking books. The stack of books forms a rectangular prism.
Each book is the same size. Isolde knows the area of the base of one book is 22 1/2 square inches and each book is 3/4 inch thick.
The volume of a stack of 9 books is cubic inches.
The volume of a stack of 9 books is 1368.75 cubic inches.
Volume of a book stackTo find the volume of a stack of 9 books, we first need to find the height of the stack. Since each book is 3/4 inch thick, the height of the stack is 9 times 3/4 inch, which is 6 3/4 inches.
Now we need to find the area of the base of the rectangular prism formed by the stack of books. Since each book has an area of 22 1/2 square inches, the total area of the base of the stack is 9 times 22 1/2 square inches, which is 202 1/2 square inches.
Therefore, the volume of the stack of 9 books is:
Volume = Area of base x heightVolume = (202 1/2 square inches) x (6 3/4 inches)Volume = 1368.75 cubic inchesMore on volume of stacked books can be found here: https://brainly.com/question/1058070
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HELP PLEASE IM RLLY STRUGGLING
Answer:
1.6
Step-by-step explanation:
0.8×2=1.6
double radius to find diameter
Answer:
1.6ft
Step-by-step explanation:
We did a similar problem, except we had to go from diameter to radius.
Remember, to go from diameter to radius we divided by 2. Now, we do the inverse as we are going from radius to diameter.
We multiply 0.8 x 2 to get 1.6 ft
So the diameter of this object is 1.6ft
if the mean and standard deviation of a population are 436 and 103 respectively, what is the standard error of the mean for a sample of size 8?
The standard error of the mean for a sample of size 8 and population mean 436 is equals to the 36.42.
The standard error of the mean, or usually say standard error, shows how different the population mean from a sample mean. We have a population with population mean, [tex]\mu[/tex] = 436
Standard deviations for population, [tex] \sigma[/tex] = 103
Sample size, n = 8
We have to determine the value of standard error of the mean. SEM is calculated simply as dividing the standard deviation by the square root of the sample size, n. Mathematically,
[tex]SE = \frac{ \sigma}{\sqrt n}[/tex]
Substitues all known values in above formula, [tex]= \frac{ 103}{\sqrt 8}[/tex]
= 36.42
Hence, required standard error value is 36.42.
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Going to Market - Basics Math
QUESTION 5 of 10: Advertisers want to create "awareness," which is whether a consumer even knows about a business. If your business
starts with 3% awareness and grows awareness by 5% per week (compounded), how long will it take to reach 75% awareness? The formula
for compound growth is E= B x (1 + R), where E is ending value, B is beginning value, R is rate of growth, and T is the amount of time.
a) 12 weeks
b) 66 weeks
c) 83 weeks
d) 94 weeks
If your business starts with 3% awareness and grows awareness by 5% per week (compounded), how long will it take to reach 75% awareness is b) 66 weeks
What is Compound Growth?Compound growth denotes the procedure of generating profits not only on the investment's principal amount, but also on the accumulated interest.
It is essentially reallocating its earnings where the investor's interest is integrated with the beginning sum, while additional interest is contingent on this amplified amount.
The purposeful act of compounding can yield noteworthy accomplishments over time, since interest earned from pre-existing income inflates drastically in value due to accruing interest outlays, and hence boosts the final outcome substantially and rapidly- resulting in exponential growth of the given input.
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Use the image to determine the type of transformation shown.
Horizontal translation
Vertical translation
Reflection across the x-axis
90° clockwise rotation
(Use Image added)
Answer:
Vertical translation
Step-by-step explanation:
Let's compare each point to its corresponding point in the image.
First, look at point A. Look at point A'.
With respect to the shapes ABCD and A'B'C'D', they are in the same position (in between B/B' and D/D'; across from C/C').
If you look at the image again, you'll find that the shape A'B'C'D' is not a rotated version of ABCD.
Thus, we can rule out the option "90° clockwise rotation."
A reflection across the x-axis indicates that A'B'C'D' and ABCD would be symmetrical across the x-axis (a horizontal line).
Because ABCD and A'B'C'D' are not symmetrical across a horizontal line, we can also rule out "Reflection across the x-axis."
Now, look at the position of A'B'C'D' with respect to ABCD. It's directly next to ABCD. In other words, it was shifted sideways.
Translations are basically just shifts.
Recall that horizontal means up and down, while vertical means side to side.
Since this is a sideways shift, we can conclude that the translation was:
a vertical translation.
Does y=2(15)^x represent an exponential function? need ASAP
Answer:
Yes it is an exponential function
Step-by-step explanation:
The given equation can be written in the form y = abˣ , and:
a and b are constants (a = 2, b = 15)
a ≠ 0
b > 0
b ≠ 1
a percentile is group of answer choices a common label on the vertical axis of histograms. is a numerical summary for categorical data. a measure of placement in a sorted quantitative dataset. is a numerical summary for ordinal data.
Percentiles provide information about the placement of data points in a quantitative dataset, histograms display the distribution of data, categorical data is grouped into categories, and ordinal data has an inherent order but no meaningful numerical differences.
Based on the terms you provided, we are looking for information about percentiles, histograms, categorical data, and ordinal data.
A percentile is a measure of placement in a sorted quantitative dataset.
It indicates the relative standing of a data point within the dataset.
For example, a score in the 80th percentile means that it is higher than 80% of the scores in the dataset.
A histogram is a graphical representation of the distribution of a dataset, typically used for continuous data.
The vertical axis of a histogram displays frequency or density, while the horizontal axis represents the data values divided into bins or intervals.
Categorical data is a type of data that can be divided into groups or categories, such as gender, ethnicity, or favorite color.
A numerical summary for categorical data usually involves counts or percentages for each category.
Ordinal data is a type of data where the order matters, but the difference between values is not meaningful, such as rankings or ratings.
A numerical summary for ordinal data can include measures of central tendency, such as the median or mode.
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the area of a rectangle is 30 cm squared, what is the height of the rectangle if the base is 4 cm
Answer:
7.5 cm.
Step-by-step explanation:
The height of a rectangle can be calculated using the rectangle's base and area using the following formula:
height = area / base
This formula can be derived from the formula for the area of a rectangle:
area = base x height
By rearranging this formula, we get:
height = area / base
Therefore, if we know the area and base of a rectangle, we can use this formula to calculate its height.
1) rewrite
Height = are / base
2) plug in
h = 30 cm / 4 cm
3) solve (divide)
height = 7.5 cm
Therefore, the height of the rectangle is 7.5 cm.
I am really stuck on this question please help!!!
Answer:
8 weeks
Step-by-step explanation:
Ok, so the equation given is y=8x+40
If the school needs 104 cabinets in total, we have to find x, the number of weeks to complete this order.
We can input 104 as y as that's the total:
104=8x+40
We have to isolate x, so first, subtract 40 from both sides
64=8x
Next, divide both sides by 8
8=x
So, it will take 8 weeks to fulfill this order.
Help!! Drag each number to complete the steps of the equation
Here is the complete equation using the provided values
6x+8=2x+24
6x-2x+8=2x-2x+24
4x+8=24
4x+8-8=24-8
4x=16
x=4
Factorization of EquationFactorization is the process of finding the factors of a given number or expression. A factor is a number or expression that divides the original number or expression without leaving a remainder. In other words, factorization is the process of expressing a number or expression as a product of its factors.
For example, the number 12 can be factored into 2 and 6, or into 3 and 4, because 2 and 3 are factors of 12 and their product gives 12. Similarly, the expression x^2 - 4 can be factored into (x+2)(x-2), because if we multiply (x+2) and (x-2), we get x^2 - 4.
Factoring is an important tool in algebra, as it allows us to simplify expressions, solve equations, and work with polynomials in a more efficient way.
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summation notation for the series
7+11+15+…+203+207
The series can be represented in summation notation as follows: ∑(n = 7 to 207) (4n - 1)
What is the summation?In this notation, the Greek letter sigma (∑) represents the summation symbol, and n represents the index of summation. The series starts from n = 7 and goes up to n = 207, with each term being (4n - 1). The notation "n = 7 to 207" indicates the range of values that n takes on in the summation. The expression (4n - 1) represents the general term in the series, which changes as n varies from 7 to 207.
Summation notation, denoted by the Greek letter sigma (∑), is a shorthand way to represent the sum of a sequence of numbers. In this case, the series you provided is:
7 + 11 + 15 + … + 203 + 207
The general term of the series, which changes as "n" varies, is (4n - 1). This means that for each value of "n", we substitute it into the expression (4n - 1) to get the corresponding term in the series. For example, when "n" is 7, the corresponding term is (4 * 7 - 1) = 27. When "n" is 11, the corresponding term is (4 * 11 - 1) = 43, and so on, up to "n" = 207.
The summation notation "∑(n = 7 to 207) (4n - 1)" represents the sum of all the terms in the series, where "n" takes on values from 7 to 207, and the term for each "n" is (4n - 1). This notation allows us to compactly represent the entire series in a concise mathematical form.
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223/26 please help I can do it’s to hard!
Answer:
roughly 8.58
Step-by-step explanation:
long division I hope this helps bye !!! have a great day!!! :D