The total number of different passwords that can be made is 1,084,480.
To find this:
There are 26 capital letters in the English alphabet, so there are 26 possible choices for the first character of the password.
There are 10 digits from 0 through 9, inclusive, so there are 10 possible choices for the second character of the password.
There are 8 specified symbols, so there are 8 possible choices for the third character of the password.
For the fourth and fifth characters, there are a total of 62 possible choices (26 capital letters + 26 lowercase letters + 10 digits + 8 specified symbols).
Therefore, using these rules, the total number of different passwords that can be made is:
26 (possible choices for the first character) x 10 (possible choices for the second character) x 8 (possible choices for the third character) x 62 (possible choices for the fourth and fifth characters) = 1,084,480 different passwords.
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Which choice has the smallest absolute value?
-10
-5
0
9
2.3.2: Excel: Linear Regression.
The provided statement indicates that the regression line's equation is[tex]\hat{Y}[/tex] = -0.06392X + 3.42231. Hence the formula for predicting the anticipated sepal size of a floral with panicle length 6.39 is [tex]\hat{Y}[/tex] = 3.01
We employ linear regression because:More specifically, the nature and degree of the correlation between a variable y and a number of different independent variables are assessed using linear regression. It aids in the creation of models for making predictions, such as projecting the stock price of a corporation.
Let X represent the sepal's length, and Y represent its breadth. Next, we have the information below:
Cov (X, Y) = -0.0438254
[tex]$$\begin{aligned}& \bar{Y}=3.04966 \\& \sigma_Y=0.445429 \\& \bar{X}=5.829932 \\& \sigma_X=0.828054\end{aligned}$$[/tex]
The following provides the least squares estimates of the intercept and regression coefficient:
[tex]\hat{\beta_0}=\bar{Y}-\hat{\beta_1} \bar{X}[/tex]
[tex]$\hat{\beta_1}$[/tex] = Cov (X, Y)/[tex]$\sigma_X^2$[/tex]
[tex]\begin{aligned}& \hat{\beta}_1=\frac{-0.0438254}{0.828054^2} \\& \hat{\beta}_1=-0.06392\end{aligned}[/tex]
and,
[tex]$$\begin{aligned}& \hat{\beta_0}=3.04966-(-0.06392) *(5.829932) \\& \Rightarrow \hat{\beta}_0=3.42231\end{aligned}$$[/tex]
Thus, the regression line's equation is as follows:
[tex]\hat{Y}[/tex] = -0.06392X + 3.42231
With a sepal length of 6.39, the following formula predicts the sepal breadth of a flower:
[tex]$$\begin{aligned}\hat{Y} & =-0.06392 * 6.39+3.42231 \\\Rightarrow \hat{Y} & =3.0138612 \simeq 3.01\end{aligned}$$[/tex]
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The complete question is-
The famous iris dataset (the first sheet of the spreadsheet linked above) Was first published in 1936 by Ronald Fisher. The dataset contains 50 samples from 3 iris species. setosa, virgiria, and versicolor. Four features are measured, all in cm sepal length, sepal with, petal length, and petal width.
What is the equation tor the least,square regressian line where the independen; or predictor variabie is pelat Iength and the dependent of response variable is petal width for iris versicolar?
What is the predicted petal width for iris versicolor for a flower with a pelal length of 4.1?
Write the equation for the product of 12 and 8
Answer:
the equation for the product of 12 x 8 = 96
Solve the puzzle from the clues one of is 3 when you pair me with 36 our LCM is 36 I am greater the 6 but less than 12 what is the mystery number
HELPPP PLSSS
Answer:
Step-by-step explanation:
The mystery number is 9. The least common multiple of 3 and 36 is 36. When you pair 9 with 36, their least common multiple is still 36. 9 is greater than 6, but less than 12. Therefore, the mystery number is 9.
the babylonians introduced such mathematical ideas as multiplication, division, and the concept of zero. true false
We can say that in geometry, Babylonian mathematicians were able to calculate the area of a trapezoid, suggesting that they were aware of the Pythagorean Theorem.
what is Pythagorean theorem?The Pythagorean Theorem, sometimes known as the Pythagorean Theorem, is the basic Euclidean geometry relationship between a right triangle's three sides. According to this rule, the area of a square with the hypotenuse side equals the sum of the areas of squares with the other two sides. The Pythagorean Theorem, often known as the generic algebraic notation a2 + b2 = c2, states that the square that crosses the hypotenuse of a right triangle opposite the right angle equals the sum of the squares that span the sides of a right triangle.
Other complex mathematical strategies were known to the Babylonians. For example, in geometry, Babylonian mathematicians were able to calculate the area of a trapezoid, suggesting that they were aware of the Pythagorean Theorem long before Pythagoras.
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A triangle has two sides of length 14 and 6. What is the smallest possible whole-number length for the third side?
The smallest possible whole-number length for the third side is 12
How to determine the valueFollowing the Pythagorean theorem which states that the hypotenuse square is equal to the sum of the squares of the other two sides in a triangle.
This is represented as;
a² = b² + c²
Given that;
a is the hypotenuse sideb is the opposite sidec is the adjacent side of the triangleFrom the information given, we have that;
14² = 6² + c²
Find the square values
196 = 36 + c²
collect like terms
c² = 196 - 36
subtract the values
c² = 160
Find the square root of both sides
c = √160
c = 12. 65
Thus, the value is 12
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gasoline costs $3.58 per gallon. if karl paid $30.43 for gasoline, how many gallons did he buy? responses
If the Gasoline costs $3.58 per gallon and Karl paid $30.43 , the number of gallons Karl purchased is 8.5 gallons .
The Per unit cost of Gasoline is = $3.58 ;
the amount paid by Karl for gasoline is = $30.43 ;
we have to calculate the number of gallons of gasoline purchased by Karl,
the number of gallons can be calculated by the formula :
Number Of Gallons purchased = [tex]\frac{Total \; Amount }{Cost \; per \; Gallon}[/tex] ;
Substituting the values of amount and cost per gallon in the formula ,
we get ;
Number of gallons = [tex]\frac{30.43}{3.58}[/tex] ;
we get ; ⇒ 8.5 .
Therefore , Karl purchased 8.5 gallons of gasoline .
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A line passes through the points (–6, 4) and (–2, 2). which is the equation of the line? y = negative one-half x 1 y = one-half x 7 y = –2x – 8 y = 2x 16
The equation of the line that passes through the points (-6,4) and (-2,2) is y - 4 = -1/2(x + 6)
What is the equation of the line?
To find the equation of a line that passes through two given points, we can use the point-slope form of the equation of a line, which is:
y - y1 = m(x - x1)
Where (x1, y1) is a point on the line, and m is the slope of the line.
The slope of the line can be found by using the two points:
m = (y2 - y1) / (x2 - x1)
So,
m = (2 - 4) / (-2 - (-6)) = -2/4 = -1/2
We know that the line passes through the point (-6,4) so we can substitute the values into the equation:
y - 4 = -1/2(x + 6)
Hence, the equation of the line that passes through the points (-6,4) and (-2,2) is y - 4 = -1/2(x + 6)
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Which measure of central tendency would the store owner use if she wanted to argue that the employees are paid well?
A. the mean
B. the median
C. the mode
D. the range
If the business owner wanted to make the case that the workers are paid well, she would use the range of central tendency.
The range, D
How can I find the central tendency?You are undoubtedly most familiar with the mean, which is the arithmetic average and a measure of central tendency. It is extremely easy to calculate the mean. Simple addition and division by the dataset's observation count are all that are required to calculate the values. All data values are included in the mean calculation.
Finding a variable's maximum observed value (also known as the range) and deducting its least observed value will yield the range (the minimum).
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Assume that the linear function f(x) contains the points f(1) = 5 and f(9) = 37. What is the value of f(f(6))?
Answer:
101
Step-by-step explanation:
f(1) = 5 = 4*1 +1
f(9) = 37 = 4*9+1
f(6) = 4*6+1 = 25
f(f(6)) = f(25) = 4*25+1 =101
Answer:
101
Step-by-step explanation:
Given the values of a linear function f(1) = 5 and f(9) = 37, you want the value of f(f(6)).
Linear functionThe given ordered pairs are (1, 5) and (9, 37). Using these, we can find the slope of the function to be ...
m = (y2 -y1)/(x2 -x1)
m = (37 -5)/(9 -1) = 32/8 = 4
The y-intercept is ...
b = y -mx
b = 5 -4(1) = 1
So the function in slope-intercept form is ...
y = mx +b
f(x) = 4x +1
ApplicationThe value of f(6) is ...
f(6) = 4·6 +1 = 25
The value of f(f(6)) is ...
f(f(6)) = f(25) = 4·25 +1 = 101
The value of f(f(6)) is 101.
Find the area of the region enclosed by the inner loop of the curve.r = 6 + 12 sin θ
The area of the region enclosed by the inner loop of the curve can be calculated by integrating the function r = 6 + 12 sin θ over the interval of θ.
The area of the inner loop is given by Area = 1/2 ∫r^2 dθ = 1/2 ∫(6 + 12 sin θ)^2 dθ
We can solve this integral by breaking it into two parts: Area = 1/2 (∫(6 + 12 sin θ)^2 dθ) = 1/2(∫36 + 72sin θ + 144sin^2 θ dθ)
The first integral is simple and equals to 36*θ and the second one is equal to 48θ - 48cos(2θ)
The limits of integration are [0, 2π]
So the area of the inner loop is 1/2(36*2π + 48(2π) - 48(2)) = 72π
So the area of the region enclosed by the inner loop of the curve is 72π square units.
4. explain why there are two high tides and two low tides each day. strictly speaking, should the period during which there are two high tides be 24 hours? if not, what should the interval be?
The interval should be 12 hours and 25 minutes for the two high tides and two low tides.
What is interval ?
An interval refers to the amount of time it takes for a tide to go from high to low or low to high
The reason for two high tides and two low tides each day is due to the gravitational pull of the moon and the sun on Earth's oceans. These gravitational forces cause the water in the oceans to bulge, creating high tides. The gravitational pull of the moon is stronger than that of the sun, so the moon has a greater impact on tides.
The time it takes for the tide to go from high to low and back to high is called the tidal period, which is about 12 hours and 25 minutes. This is not exactly 24 hours because the Earth is also rotating on its axis, so the position of the Moon and the Sun relative to a specific location on the Earth's surface is constantly changing.
So, the interval should be 12 hours and 25 minutes for the two high tides and two low tides.
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Which table shows a linear function?
O
X
-5
-3
-1
1
2
X
-4
-3
-2
1
2
X
-5
-3
-1
0
2
y
-4
-3
-2
265 35.
-1
-3
-5
-2
0
9236
5
amy sells beaded necklaces. each large necklace sells for $4.10 and each small necklace sells for $3.80. how much will she earn from selling 7 large necklaces and 1 small necklace?
Amy will earn $28.70 + $3.80 = $32.50.
Profit and loss:
A profit and loss (P&L) statement refers to a financial statement that summarizes the revenues, costs, and expenses incurred during a specified period, usually a quarter or fiscal year. These records provide information about a company’s ability or inability to generate profit by increasing revenue, reducing costs, or both. P&L statements are often presented on a cash or accrual basis. Company managers and investors use P&L statements to analyze the financial health of a company.
Amy will earn $28.70 from selling 7 large necklaces (7 x $4.10 = $28.70) and $3.80 from selling 1 small necklace, so in total, she will earn $28.70 + $3.80 = $32.50.
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10
Velocity (m/s)
8-
6-
4
2-
of
0-
0 2 4 6 8 10
10 12 14 16 18 20
Time (seconds)
a) Work out the total distance travelled on the cycle.
b) Work out the acceleration in the last 8 seconds.
The total distance travelled on the cycle is 30.46m and the acceleration is the last 8 seconds is 0.85 m/s².
What is acceleration?"Acceleration is the measure of the speed at which velocity changes."
OR "Acceleration depends upon the velocity if the velocity continously increases or decreases the acceleration will be produced."
Positive acceleration results from continuously increasing velocity.
Negative acceleration will be negative if the velocity is continuously decreasing.
FORMULA
Acceleration is defined as a change in velocity divided by time, or a = (Vf-Vi)/t UNIT.
Meter/second+square, or m/S², is the SI unit of velocity in the MKS system.
a. Total distance = Hypotenuse₁ + mid distance + Hypotenuse₂
Hypotenuse₁ = [tex]$ \sqrt{10^2 + 6^2} $[/tex]
Hypotenuse₁ = 11.66m
mid distance = 12 - 6
= 6m
Hypotenuse₂ = [tex]$ \sqrt{10^2 + (20-12)^2} $[/tex]
Hypotenuse₂ = [tex]$ \sqrt{10^2 + (8)^2} $[/tex]
Hypotenuse₂ = 12.80m
Total distance = 11.66m + 6m + 12.80m
Total distance = 30.46m
b. Acceleration [tex]{\displaystyle ={\frac { \text{v - u} }{t}}[/tex]
[tex]\displaystyle = {\frac { \text{12.80 - 6} }{8}[/tex]
[tex]\displaystyle = {\frac { 6.80 }{8}[/tex]
0.85 m/s²
Thus, the total distance travelled on the cycle is 30.46m and the acceleration is the last 8 seconds is 0.85 m/s².
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Evaluate the function.
g(x)=-3x² - x; Find g(5)
Answer:
[tex]g(5)=-75[/tex]
Step-by-step explanation:
[tex]g(x)=-3x^{2} \\g(5)=-3(5)^{2} \\g(5)=-75[/tex]
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factorize 9( x - 1 ) ^ { 2 } - 16 ( x + 2 ) ^ { 2 }
Answer:
(7x + 5)(- x - 11)
Step-by-step explanation:
9(x - 1)² - 16(x + 2)² ← is a difference of squares and factors in general as
a² - b² = (a + b)(a - b)
9(x - 1)² - 16(x + 2)²
= [ 3(x - 1) ]² - [4(x + 2) ]² with a = 3(x - 1) and b = 4(x + 2)
= [ 3(x - 1) + 4(x + 2) ] [ 3(x - 1) - 4(x + 2) ] ← distribute parenthesis
= [ 3x - 3 + 4x + 8 ] [ 3x - 3 - 4x - 8 ]
= (7x + 5)(- x - 11 )
What does esperanza realize when she tries to save sally from making a bad decision or being exploited by the boys in "the monkey garden"?
Esperanza is aware of Sally's desire to avoid having to return back to school so you would not need to fret about her father, rumors, or feeling out of place.
Are monkeys suitable as pets?Monkeys are often undesirable pets. Yes, for a while, some may be extremely sweet. However, the truth is that monkeys cannot live in a human home because they are too dangerous and require too much care. These concerns pertain to apes and are just as significant (chimpanzees, orangutans, and gibbons).
Are we all apes?People and monkeys are both considered primates. But neither monkeys or indeed any other current ape species are linked to people. Yes, chimpanzees and humans both descend from apes.
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The total amount of garbage y is proportional to the number of days x, as shown in the graph.
Write an equation to represent this relationship.
The equation that represent the relationship between pounds of garbage y and of days x is y = 4.5x
What direct variation?Direct variation describes a simple relationship between two variables . We say y varies directly with x , then y=kx. for some constant k , called the constant of variation or constant of proportionality .
From the graph when y = 4.5 , x = 1 and when y = 9 , x = 2. we can take any of these values to find K
y = kx
9 = 2k
therefore K = 9/2 = 4.5
representing K for 4.5 in y = kx
then, y = 4.5x
therefore the equation of the relationship between y and x is y = 4.5x
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Please Help Soon
Simplify each of 10−8 and 8−10 to determine if the commutative property applies to subtraction. State your findings
Answer:
The communicative property does not apply to subtraction.
10 - 8 = 2
8 - 10 = -2
We do not get the same answer. 2 and -2 are not the same number.
Step-by-step explanation:
what is the reciprocal of 4 4/7
Answer:
7/32
Step-by-step explanation:
First we need to make the mixed fraction an improper fraction
4*7=28
28+4=32
So, the improper fraction will be 32/7
a reciprocal is the opposite of a fraction
this means we will flip this fraction over, moving the 7 to the numerator and 32 to the denominator
7/32
jon gets to work in 20 min when he drives his car. riding his bike (by the same route) takes him 45 min. his average driving speed is 14.5 mph greater than his average speed on the bike. how far does he travel to work?
The distance Jon travels to work is 472.5 miles.
Let d be the distance Jon travels to work.
The time it takes to drive is 20 minutes and the time it takes to bike is 45 minutes.
The difference in speed between driving and biking is 14.5 mph.
We can set up the following equation:
20min * (14.5mph + x) = 45min * x
Solving for x gives us the average speed of Jon on the bike, which is 10.5 mph.
Now we can use the distance formula to solve for d:
d = rate * time
d = 10.5mph * 45min
d = 472.5 miles
Therefore, the distance Jon travels to work is 472.5 miles.
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find the area of the part of the plane 5x + 3y + z = 15 that lies in the first octant.
The area of the part of the plane 5x + 3y + z = 15 that lies in the first octant is 15x^3/6 + 45x^2y/2.
What is area?Area is a measure of the size of a surface or the amount of space it takes up. It can be measured in square units such as square feet, square meters, or acres. Area is used to describe the size of a two-dimensional object or shape, and is often used when discussing the size of a plot of land, a room, or other geographical area.
The first octant is defined as the area in the three-dimensional Cartesian coordinate system where all the coordinates are positive. In this case, the equation 5x + 3y + z = 15 can be rearranged to solve for z: z = 15 - 5x - 3y. This new equation can then be used to find the area of the plane that lies in the first octant by integrating the equation over the area of the octant.
To solve for the area, we must first find the boundaries of the octant. Since all coordinates must be positive, the boundaries of the octant are x = 0, y = 0, and z = 0. The area of the plane that lies in the first octant is then computed using the triple integral:
Area = ∫∫∫ 0 0 0 15-5x-3y dzdydx
= ∫∫ 0 0 (15x + 45y)dydx
= ∫ 0 (15x^2/2 + 45xy)dx
= 15x^3/6 + 45x^2y/2
Therefore, the area of the part of the plane 5x + 3y + z = 15 that lies in the first octant is 15x^3/6 + 45x^2y/2.
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part 1.b. now consider a problem this equation might solve. a local restaurant owner is considering the purchase of a pier, whose walkway is 50 cm above the high-water mark, for use in outdoor events. the owner has been advised that piers with walkways less than 30 cm above the high-water mark should be avoided because they can be flooded by storms and very high tides. if submergence continues at the rate you calculated, how many years will pass before the high-water mark is less than 30 cm from the base of the walkway?
Using the equation, the restaurant owner can determine how long it will take before the high-water mark is less than 30 cm from the base of the walkway. In this case, the answer is 40 years.
1. Subtract the desired end point from the current height of the walkway:
50 cm - 30 cm
= 20 cm
2. Divide the difference by the rate of submergence:
20 cm / 0.5 cm/yr
= 40 years
The restaurant owner can use the equation to calculate the number of years it will take for the high-water mark to be less than 30 cm from the base of the pier’s walkway. By subtracting the desired end point from the current height of the walkway, the owner can determine the difference in height. Then, by dividing this difference by the rate of submergence, the owner can calculate the number of years it will take before it is necessary to take action to protect the pier from flooding. In this case, the answer is 40 years.
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a student in stat 121 wants to estimate the average score on the stat 121 final exam from last semester. they asked 200 students who took the class last semester what their final exam score was and recorded it. what is the sample?
If a student in stat 121 wants to estimate the average score on the stat 121 final exam from last semester. The sample is: The 200 students interviewed.
What is sample?Sample can be defined as the data or information that are randomly collected from a group of population so as to reach or drawn a conclusion.
Based on the scenario the sample will be the 200 students who took the class last semester as the 200 students were randomly selected from a larger population so as to reach a conclusion.
Therefore we can conclude that the sample is the 200 students interviewed.
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The graph of a sinusoidal function intersects its midline at (0,-6) and then has a minimum point at (2.5,-9)
The sine function that intersects its midline at (0,-6) and then has a minimum point at (2.5,-9) is given as follows:
y = 3sin(0.6πx) - 6.
How to define the sinusoidal function?The standard definition of the sine function is given as follows:
y = Asin(Bx) + C.
For which the parameters are given as follows:
A: amplitude.B: the period is 2π/B.C: vertical shift.The midline is at y = -6, while the minimum point is at y = -9, hence the amplitude of the function is given as follows:
A = -6 - (-9)
A = 3.
A sinusoidal function with amplitude 3 should oscillate between -3 and 3, while it oscillates between -3 and -9, hence the vertical shift is given as follows:
C = -6.
The distance from the midline to the minimum value is of 3/4 of the period, hence the period is of:
3/4P = 2.5
P = 4 x 2.5/3
P = 10/3.
This means that the parameter b is obtained as follows:
2π/B = 10/3
10B = 6π
B = 0.6π
This means that the function is defined as follows:
y = 3sin(0.6πx) - 6.
The graph of the sinusoidal function is given by the image presented at the end of the answer, and the labeled points show that the desired features are present.
Missing InformationThe complete problem is given as follows:
The graph of a sinusoidal function intersects its midline at (0,-6)(0,−6)left parenthesis, 0, comma, minus, 6, right parenthesis and then has a minimum point at (2.5,-9).
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: Given the following P(A)-0.3 P(B) = 0.2 PA and B) 0.06 A and B are disjoint and independent. A and B are disjoint. A and B are independent A and B are neither disjoint nor independent.
Given the following P(A) = 0.3, P(B) = 0.2, P(A) and P(B) 0.06. So, A and B are independent. This can be solved using probability concept.
What is probability?The word "probability" derives from the Latin word "probitatem," which means "credibility, likelihood," from the noun probabilis in the 14th century (see probable). The phrase was first used in a mathematical meaning in 1718.
A probability is a number that expresses the possibility or likelihood that a specific event will take place. Probabilities can be stated as proportions with a range of 0 to 1, or as percentages with a range of 0% to 100%.
Given that,
P(A) = 0.3
P(B) = 0.2
P(A and B) = 0.06
Now, P(A and B) = P(A) × P(B)
or, 0.06 = 0.3 × 0.2
So, A and B are independent.
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Line AD is parallel to line HE. Identify one pair of alternate interior angles.
[tex]\angle 3[/tex] and [tex]\angle 6[/tex]
Look at where the diver started and where she is heading. She started at –5 and descended to –75. That means she dropped 70 feet more.
These two points on the number line describe that she descended by 70 units.
What is a number line?A number line is defined as the number marked on the line calibrated into an equal number of units. For example -1, 0, 1, and so on.
Here,
She started at –5 and descended to –75.
On the number line, the difference between -75 and -5 is given as
= -5 - (-75)
= 70
Thus, these two points on the number line describe that she descended by 70 units.
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Ms. Carlson is planning a dance recital for her students. The maximum duration for the recital is 76 minutes. Group dance numbers last 6 minutes and a solo performance lasts 2 minutes.
Write the inequality in standard form that describes this situation. Use the given numbers and the following variables.
The inequality that describes this situation will be 6x + 2s ≤ 76
How to compute the inequality?Inequalities are simply created through the connection of two expressions. In this case, it should be noted that the expressions in an inequality are not always equal. Inequalities implies that the expressions are not equal. Here, they are denoted by the symbols ≥ < > ≤.
x = number of group dance numbers
s = number of solo performances
The inequality will be 6x + 2s ≤ 76
This inequality can be read as "the total duration of the group dance numbers (6 minutes per group dance number) plus the total duration of the solo performances (2 minutes per solo performance) is less than or equal to 76 minutes."
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