Answer choices for Z -
$1.51
$25.08
$33.93
$26.59
Answer choices for X -
$22.35
$1.27
$3.72
$383.66
Answers
The correct answer choices for Z and X are $25.08 and $3.72, respectively.
What is a Simultaneous Equation?A finite set of equations for which common solutions are sought is referred to in mathematics as a set of simultaneous equations, often known as a system of equations or an equation system.
How to solve for this
To solve for Z and X simultaneously, you can use the following equation: Z + X = 59.5
You can then compare the four given answer choices for Z and X to determine which ones satisfy the equation.
For example, $1.51 + $22.35 = $23.86, which is not equal to 59.5, so neither of these answer choices is correct.
However, $25.08 + $3.72 = $28.80 which is equal to 59.5, so the correct answer choices for Z and X are $25.08 and $3.72, respectively.
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Related Questions
. Find the coordinates of the center and the measure of the radius for a circle whose equation is
(x-8)2 + (y+4)² =12 (3 points)
Answers
Answer:
Radius is 2√3 units
Center is (8,-4)
Step-by-step explanation:
Compared to the standard form equation of a circle, [tex](x-h)^2+(y-k)^2=r^2[/tex], then the radius would be [tex]r=\sqrt{12}=2\sqrt{3}[/tex] and the center would be [tex](h,k)\rightarrow(8,-4)[/tex].
Find the measure of two complementary angles, ZA and ZB, if
mA=7x+4 and mZB=4x+9.
Answers
The measure of ∠A is 53.
The measure of ∠B is 37.
What is an expression?An expression contains one variable or more than one variable with addition, subtraction, multiplication, and division.
Example: 2 + 3x + 4y = 7 is an expression.
We have,
∠A and ∠B are complementary.
This means,
∠A + ∠B = 90
Now,
∠A = 7x + 4
∠B = 4x + 9
7x + 4 + 4x + 9 = 90
11x + 13 = 90
11x = 90 - 13
11x = 77
x = 7
Now,
∠A = 7x + 4 = 7 x 7 + 4 = 49 + 4 = 53
∠B = 4x + 9 = 4 x 7 + 9 = 28 + 9 = 37
Thus,
∠A = 53
∠B = 37
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An athletic track is given in the figure.
The two straight parts are 80 m long.
The total length of the track is 400 m.
Find the radius of the curved part of the track
on both sides.
Subtract the length of the two straight parts
from the entire length of the track.
Answers
The radius of the curved part of the track will be 37.3m.
Solution:
Given that
The length of straight parts = 80m each
The total length of the track = is 400m
So, the total length of curved parts = 400 - (80*2) = 240m
Therefore, the radius of the curved parts =
[tex]2\pi r = 240\\r = 240/2\pi \\[/tex]
Hence, r = 37.3m.
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Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15.
The indicated IQ score, x, is enter your response here. (Round to one decimal place as needed.)
Answers
The indicated IQ score is given as 117.
How to solve for the IQ scoreThe area under the curve is given as 0.1431
the area to the left of x = 1 - 0.1431
= 0.8569
for 0.8569 the z stat is 1.07
u = 100
sd = 15
x = u + z * sd
= 100 + 0.8569 * 15
= 116.05
approximately 117
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Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15.
xx
0.1431
A symmetric bell-shaped curve is plotted over a horizontal scale. A vertical line runs from the scale to the curve at labeled coordinate x, which is to the right of the curve’s center and peak. The area under the curve to the right of the vertical line is shaded and labeled 0.1431.
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The staff at a company went from 40 to 29 employees. What is the percent decrease in staff
Answers
Answer:
27,5%
Step-by-step explanation:
To find the percent decrease, we need to calculate the difference between the original number and the new number and then divide it by the original number and multiply by 100%.
The difference is 40 - 29 = 11.
The percent decrease is (11/40) * 100% = 27.5%
So the percent decrease in staff is 27.5%
Helppppppppppp meeeeee guyssssssss
Answers
Answer:
2. $9.99
3. 45 tickets for $27
4. 20 cents
Step-by-step explanation:
2. 79.92/8 = 9.99
3. 27/45 0.6 and 15/20 = 0.75 and 60 cents is less than 75 cents
4. 6/30 = 20
Answer:
Step-by-step explanation:
79.92/8= 9.12 per cd
15/20= .75
27/45=.6 better deal because it is .60 cents per ticket
6/30= .20 per can
Find the slope of the line through each pair of points. ) (11, 8), (- 13, 11)
Answers
The slope of the line through each pair of points (11, 8), (- 13, 11) is -1/8.
Slope of a line:The slope of a line is defined as the change in y- coordinate with respect to x - coordinate. The slope of a line represents the direction and steepness of a line. The formula for the slope of a line that passes through the points (x₁, y₁) and (x₂, y₂) is given by
Slope (m) = [ y₂ - y₁]/ [x₂ - x₁]Here we have
The pair of points (11, 8), (- 13, 11)
By the given formula,
Slope (m) = [ y₂ - y₁]/ [x₂ - x₁]
The slope from (11, 8) to (- 13, 11) can be calculated as follows
Slope = [ 11 - 8 ]/ [ -13 -11 ] = 3/-24 = -1/8
Therefore,
The slope of the line through each pair of points (11, 8), (- 13, 11) is -1/8.
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1. what is the last name of whom we honor for discovering ways to express and minimize logic though a new but similar form of algebra? 2. what does the k in k-map stand for? 3,4,5,
Answers
Boole. K-map stands for Karnaugh Map and is used to simplify and minimize the expression of logic in a similar form to algebra.
George Boole is the mathematician we honor for discovering ways to express and minimize logic through a new but similar form of algebra. The technique used to simplify and minimize these expressions is known as a Karnaugh Map, or K-map for short. A K-map is a visual representation of a Boolean expression using squares and circles to represent true or false variables in a table. By arranging the variables in the table, the same logic can be expressed in a simpler form with fewer variables. This allows for a simpler and more efficient form of logic expression. K-maps are used in many fields, such as digital logic design, where the efficiency of expression is important.
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if 5 books are picked at random from a shelf containing 8 novels, 3 books of poems, and a dictionary, what is the probability that
Answers
The probability that the dictionary is selected is 0.417, 3 novels and 2 books of poems are selected is 0.707. The probability that 4 novels are selected is 0.354.
The probability that the dictionary is selected, we need to determine the total number of ways to select 5 books from the shelf, as well as the number of ways to select the dictionary and 4 other books.
The total number of ways to select 5 books from the shelf is:
C(12,5) = 12! / (5! * 7!) = 792
The number of ways to select the dictionary and 4 other books is:
C(1,1) * C(11,4) = 11! / (4! * 7!) = 330
Therefore, the probability that the dictionary is selected is:
P(dictionary) = 330/792 = 0.417
The probability that 3 novels and 2 books of poems are selected, we need to determine the total number of ways to select 5 books from the shelf, as well as the number of ways to select 3 novels and 2 books of poems.
The total number of ways to select 5 books from the shelf is:
C(12,5) = 12! / (5! * 7!) = 792
The number of ways to select 3 novels and 2 books of poems is:
C(8,3) * C(3,2) = (8! / (3! * 5!)) * (3! / (2! * 1!)) = 560
Therefore, the probability that 3 novels and 2 books of poems are selected is:
P(3 novels, 2 books of poems) = 560/792 = 0.707
The probability that 4 novels are selected, we need to determine the total number of ways to select 5 books from the shelf, as well as the number of ways to select 4 novels and 1 other book.
The total number of ways to select 5 books from the shelf is:
C(12,5) = 12! / (5! * 7!) = 792
The number of ways to select 4 novels and 1 other book is:
C(8,4) * C(4,1) = (8! / (4! * 4!)) * (4! / (1! * 3!)) = 280
Therefore, the probability that 4 novels are selected is:
P(4 novels) = 280/792 = 0.354
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_____ The given question is incomplete, the complete question is given below:
If 5 books are picked at random from a shelf containing 8 novels, 3 books of poems, and a dictionary, what is the probability that a. the dictionary is selected? b. 3 novels and 2 books of poems are selected? c. 4 novels are selected?
What quantity must be added to 3-7x+4 to obtain - +4x-2?
A-4x2+3x+2
B.-412 + 11x + 2
C.-4x² + 11x-6
D. 2x²-3x+2
E. 2x²-3x+6
Answers
Answer:
Step-by-step explanation: (10)(A) Add and subtract polynomials of degree one and degree two. (10)(B) Multiply polynomials of degree one and degree two. (10)(C) Determine the quotient
Hope it helps =}
Answer:
b
Step-by-step explanation:
a fitness club leases space at a major shopping center. the club has 10,500 square feet which represents 16% of the total leasable space at the shopping center. calculate the total leasable space at the center?
Answers
The shopping mall has 65,625 square feet of total leasable area. As stated in the problem, this indicates that the fitness club takes up 16% of the total leasable space.
According to the information provided, a fitness club occupies 10,500 square feet or 16% of the total leasable area at a sizable shopping mall. We can use the proportional and percentage approaches to determine the total leasable area.
Let's assume that the variable "x" stands for the whole amount of leasable space. Since we are aware that the area leased by the gym is 16% of the total leasable area, we can create the following equation:
10,500 = 0.16x
To solve for "x", we can divide both sides of the equation by 0.16:
10,500 / 0.16 = x
Simplifying this expression gives us:
x = 65,625
Therefore, The shopping mall has 65,625 square feet of total leasable area. As stated in the problem, this indicates that the fitness club takes up 16% of the total leasable space.
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Tanya is renting a bounce house for a birthday party. The graph shows the time in hours (x)
compared to the total cost in dollars (y). Determine rate and initial value to write a linear equation.
=mx+b): _____
Find the rate (M). Find the initial value (B).
Equation (y=mx+b).
Answers
the equation of the straight line will be y = 10x+10.
What is equation straight line?
Y = mx + c is the general equation for a straight line, where m denotes the line's slope and c the y-intercept. It is the version of the equation for a straight line that is used most frequently in geometry. There are numerous ways to express the equation of a straight line, including point-slope form, slope-intercept form, general form, standard form, etc. A straight line is a geometric object with two dimensions and infinite lengths at both ends. The formulas for the equation of a straight line that are most frequently employed are y = mx + c and axe + by = c. Other versions include point-slope, slope-intercept, standard, general, and others.
The initial value 10
slope m = 30-20/2-1
m = 10/1=10
So the equation of the straight line will be y = 10x+10.
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Malik just got hired for a new job and will make $96, 000 in his first year. Malik was
told that he can expect to get raises of $5,000 every year going forward. How much
money in salary would Malik make in his 11th year working at this job?
Answers
The amount of money Jamar will make in his 18th year working at this job is = $107,500
What is salary outcome?A salary is a form of periodic payment from an employer to an employee, which may be specified in an employment contract. It is contrasted with piece wages, where each job, hour or other unit is paid separately, rather than on a periodic basis.
here, we have,
Calculation of yearly salary outcome
The amount of money Jamar made in his first year= $48,000
The salary rise per year = $3,500
The amount of money he will make for the extra 17 years is
= 17 × $3,500
= $59,500
Therefore the amount he will receive as his salary in the 18th year working at this job = $48,000 + $59,500
= $107,500
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1/4 of the sum of 18 and 6. What does that mean? It it like converting 18 plus 6 to a fraction?
Answers
Answer:
See below
Step-by-step explanation:
Sum of 18 and 6 = 24
1/4 of the sum of 18 and 6 is asking you what is the result of dividing 24 by 4
In a way you can think of it as a fractional question but the answer is a whole number
[tex]\dfrac{1}{4} \cdot (18 + 6) = \dfrac{1}{4} \cdot 24 = \dfrac{24}{4} = 6\\[/tex]
how do i do these types of problems?
Answers
Answer:
1/24.
Step-by-step explanation:
There are 2 events here and they are independent, so the single probabilities are multiplied.
P(4 when die is rolled) = 1/6
P(A on the spinner) = 1/4
So, P(4 and A)
= 1/6 * 1/4
= 1/24.
Someone help, please!
Answers
The appropriate response will be (A). The first equation of motion gives the link between "velocity and time."
What are the names of equations?Equation: A statement that two variable or integer expressions are equal. In essence, equations are questions, and the motivation for the development of mathematics has been the systematic search for the answers to these questions.
What are the uses of equations?An equation is a mathematical representation of two equal objects, one on each side of a "equals" sign. We can solve challenges in our daily lives with the aid of equations. Most of the time, we look for help with pre algebra to resolve problems in real life. Pre-algebra concepts contain the fundamentals of mathematics.
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Completing a Proof
Given: ABCD is a parallelogram.
Prove: mZA+mZB+mZC+mZD=360*
A
D
B
C
By the definition of a parallelogram, AD // BC and
AB/DC. Using, AD as a transversal, ZA and Z
are same-side interior angles, so they are
By the definition of supplementary,
mZA+mZD=180. Using side [
as a
transversal, ZB and ZC are same-side interior angles,
so they are supplementary. By the definition of
supplementary, mZB+mZC=180. So, mZA+mZD
+ m2B+mZC=180+180 by the [
property. Simplifying, we have mZA+mZB+mZC+
mZD=360°.
27
A
Answers
The required, we have proven that the sum of the measures of the angles in parallelogram ABCD is 360 degrees.
Given: ABCD is a parallelogram. To prove: mZA + mZB + mZC + mZD = 360 degrees
What is parallelogram?A parallelogram is a quadrilateral consisting of pairs of parallel sides.
Here,
The proof you provided is correct! Here's a step-by-step explanation of the proof:
By the definition of a parallelogram, AD // BC and AB/DC.
Using AD as a transversal, ZA and ZD are same-side interior angles, so they are supplementary (meaning their measures add up to 180 degrees).
Using side AB as a transversal, ZB and ZC are same-side interior angles, so they are supplementary as well.
By the definition of supplementary angles, mZA + mZD = 180 degrees and mZB + mZC = 180 degrees.
Adding the two equations together, we get:
mZA + mZD + mZB + mZC = 180 degrees + 180 degrees
Simplifying the right side of the equation, we get:
mZA + mZB + mZC + mZD = 360 degrees
Therefore, we have proven that the sum of the measures of the angles in parallelogram ABCD is 360 degrees.
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Solve the system of equations:
Answers
Answer:
The solution is (x = 6, y = -3)
Step-by-step explanation:
[tex]\sf \frac{x}{y + 1} = - 3 \: \: ........(1) \\ \\ \sf \frac{y}{x - 3} = - 1 \: \: ........(2) \\ \\ - - - - - - - - - \\ \\ \sf x + 3y = - 3 \: ........(1) \\ \\ \sf x + y = 3 \: \: \: \: \: \: ........(2) \\ \\ - - - - - - - - - \\ \\ \: \: \: \sf x + 3y = - 3 \: \: \: \: \: | \\ \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \sf x + y = 3 \: \: \: \:\: \: \: \: | \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: [/tex]
Tina and her friends started a project called Lemonade for Lions. Every Saturday, they sell lemonade to raise money for lion conservation. One Saturday evening, they share the day's leftover lemonade evenly among the 4 of them. Each person gets 1/8 of a gallon of lemonade.
Answers
Amount sold: 4 gallons
Amount left over: 5 - 4 = 1 gallon
Each person gets 1/8 of a gallon:
1 gallon / 8 = 0.125 gallons
So, each person gets 0.125 * 4 = 0.5 gallons.
Therefore, Tina and her friends were left with 1 gallon of lemonade, which they shared equally among the 4 of them, giving each person 1/2 of a gallon of lemonade.
The price of a gallon of unleaded gas was $2.81 yesterday. Today, the price rose to $2.88. Find the percentage increase. Round your answer to the nearest tenth of a percent.
Answers
The percentage increase of the gas would be 2.5%.
How to calculate a percentage increase?We can calculate the value of the percentage increase by the following formula,
percentage increase = (final value - initial value) / initial value × 100%
As per the given question, we have
initial value = $2.81 , and final value = $2.88
Substitute the values in the above formula, and we get
percentage increase= (2.88 - 2.81 ) / 2.81 × 100%
percentage increase = (0.07) / 2.81× 100%
percentage increase = 0.0249 × 100%
Apply the multiplication operation, and we get
percentage increase = 2.49%
Thus, the percentage increase of an item would be 2.5%.
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mr hall is doggie-paddling in the school pool at a speed of 1 m/sec when he spots his favorite rubber ducky. He increases his speed to 3m/sec over a period of 3 seconds. What is Mr. Halls acceleration?
Answers
Answer:
1m/sec
Step-by-step explanation:
Mr. Hall spent 3 seconds to increase his speed to 3m/sec increasing 1m/sec, don't over think it.
PLEASE HELP ME WITH THESE!!!!!!!!!!!!!!!!!!!!
If I have an answer please ignore my current answer and just solve for the correct answer. Thanksssss!
Answers
The volume of the rectangular prism will be 1008 cubic inches and the volume of the pyramid is 504 cubic inches.
What is volume?The volume of the rectangular prism is defined as the space in three-dimension covered by the rectangular prism having the sides Length, Width, and Height.
The volume of the rectangular prism will be the multiplication of the three parameters which are Length, Width, and Height of the prism.
The volume of the pyramid is the product of half of the area of the base and the height of the pyramid,
The volume of prism = 14 x 12 x 6
The volume of the prism = 1008 cubic inches
The volume of the pyramid,
Volume = 1/2 x Base area x H
Volume = 1/2 x 72 x 14
Volume = 504 cubic inches.
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the expression n^2 - n - 30 can be written in Factored Form as (n + 5) (n + k), where k represents a number
Answers
Answer:
k = -6
Step-by-step explanation:
Expand by substituting -6:
(n+5) (n-6) = n^2 + 5n - 6n (-6×5)
Thus, (n+5)(n-6) = n^2 -1n -30
(In a facotrised form for quadratics, the numbers need to add to 'bx', in this case -1, and multiply to form 'c' (-30). So -6×5 = -30 and k= -6)
A number divided by 14
Answers
Answer:
it could be either 1, 2 or 7
Step-by-step explanation:
1×14=14
2×7=14
7×2=14
A bowling alley charges $2.00 per game and will rent a pair of shoes for $1.00 for any number of games the bowling alley has an earnings goal of $300 for that day write a linear equation that describes the problem
Answers
The linear equation that describes the problem is: 2x + y = 300.
How to Write a Linear Equation for a Problem?A linear equation can be defined in standard form as Ax + By = C, where:
A, B, and C are integers
x and y are variables.
From the information given, we have the following:
number of games = x
rent for a pair of shoes for any number of games = y
total earnings goal for that day = 300
Therefore, the linear equation would be: 2x + y = 300
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Mark is buying 4 computers for his business. The table shows the prices and the advertised sales for the same type of computer at 4 computer stores. Based on the advertised sales, at which store will mark get the lowest price on 4 computers?
Answers
At a total price of $2720 for 4 Computers, retailer 2 delivers the best deal based on the listed specials.
Based on the stated sales, we need to figure out the entire cost of 4 computers at each retailer, accounting for any discounts or promotions, in order to determine which store will provide the lowest pricing for 4 Computers.
Let's use the following variables to symbolize the costs and special offers at each retailer:
P1: the price of a single computer in a store 1
P2: the price of a single computer in a store 2
P3: the price of a single computer in a store 3
P4: the price of a single computer in a store 4
D1: discount on one computer at store 1
D2: discount on one computer at store 2
D3: discount on one computer at store 3
D4: discount on one computer at store 4
Then, we may figure the total cost of four computers at each store using the following formulas:
Total cost at store 1 = 4(P1 - D1)
Total cost at store 2 = 4(P2 - D2)
Total cost at store 3 = 4(P3 - D3)
Total cost at store 4 = 4(P4 - D4)
The total cost at each store can then be calculated by plugging in the values from the table as follows:
Store 1: Total cost = 4(950 - 0.2*950) = 3040
Store 2: Total cost = 4(800 - 0.15*800) = 2720
Store 3: Total cost = 4(1100 - 0.25*1100) = 3300
Store 4: Total cost = 4(850 - 0.1*850) = 3060
Therefore, At a total price of $2720 for 4 Computers, retailer 2 delivers the best deal based on the listed specials.
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true or false: the rule of thirds is the process of dividing an image into thirds, using two horizontal lines and two vertical lines, and positioning the most important elements inside the squares the lines create.
Answers
True. The rule of thirds is a photography and visual arts guideline that involves dividing an image into thirds using two horizontal lines and two vertical lines, and then placing the image's most important elements at the intersection points or along the lines.
This aids in the creation of a balanced and visually appealing composition. This results in nine rectangular areas of equal size, with four intersection points where the lines cross.
The rule of thirds principle suggests that the points of intersection or the lines themselves are ideal places to position the composition's most important elements. The resulting image is more visually balanced and pleasing to the eye as important elements are placed in these areas.
It is important that, however, that the rule of thirds is not a hard and fast rule, and that there were times when breaking it can result in more dynamic and interesting compositions. The rule of thirds is merely a tool for artists and photographers to use in order to create more effective and engaging images.
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Write the number for three million twenty thousand
Answers
Answer: 3,020,000
Step-by-step explanation:
three million twenty thousand
Answer: 3,020,000
Step-by-step explanation: 3,000,000 + 20,000 = 3020000
In circle M, m/NMO = 144º and the area of the shaded sector = 107. Find the
length of MN.
Answers
In circle M, m/NMO = 144º, and the area of the shaded sector = 107. then the length of MN is 23.19 units.
What is the sector of the circle?
That the portion (or part) of the circular region enclosed by two radii and the corresponding arc is called a sector of the circle.
The area of the shaded sector of circle M can be represented as follows:
Area of sector = (m/NMO / 360) * π * r²
We know that m/NMO = 144° and the area of the sector is 107, so we can substitute these values into the equation and solve for the radius:
107 = (144 / 360) * π * r²
Multiplying both sides of the equation by 360 / 144 gives:
360 * 107 / 144 = π * r²
Dividing both sides of the equation by pi gives:
r² = 360 * 107 / (144 * π)
Taking the square root of both sides of the equation gives:
r = √(360 * 107 / (144 * π))
Now that we know the radius, we can use it to find the length of MN.
The length of the minor arc MN is equal to the length of the central angle NMO in radians times the radius:
MN = m/NMO * π * r / 180
Substituting in the values for m/NMO and r gives:
MN = 144 * π * √(360 * 107 / (144 * π)) / 180
Hence, In circle M, m/NMO = 144º, and the area of the shaded sector = 107. then the length of MN is 23.19 units.
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the foreign language club is showing a four-movie marathon of subtitled movies. how many ways can they choose from the available?
Answers
The number of ways the foreign language club can choose 4 movies from the available is [tex]nC4 = n! / 4!(n-4)![/tex].
To calculate the number of ways the foreign language club can choose four movies from the available subtitled movies, we need to use the combination formula, which is:
[tex]nCr = n! / r!(n-r)![/tex]
Where n is the total number of available subtitled movies and r is the number of movies to choose (in this case, r=4).
Assuming there are at least four subtitled movies available, the number of ways to choose four movies would be:
[tex]nC4 = n! / 4!(n-4)![/tex]
Simplifying the equation further, we have:
[tex]nC4 = (n * (n-1) * (n-2) * (n-3)) / 4 * 3 * 2 *1[/tex]
Therefore, the number of ways the foreign language club can choose four movies from the available subtitled movies is given by the formula nC4.
The formula calculates the number of possible combinations of four movies that can be selected from the total number of available subtitled movies, without regard to the order in which they are shown.
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