i got 64.98 i really hope this helps :)
Arts and Crafts An arts and craft supply store has a large crate that
contains brass, silver, and copper beads. Several friends take turns
pushing their hands into the beads, grabbing one, recording the bead
type, and placing the bead back into the crate. They then repeat the
process. The table shows the count for each bead type. Write a
probability model for choosing a bead.
Dlhrann-
Enter your
The probability of p(copper)=0.28
Probability model for choosing a bead?Probability is a measure of the likelihood or chance that an event will occur, expressed as a number between 0 and 1, with 0 indicating that the event is impossible and 1 indicating that the event is certain to occur. Probability is a fundamental concept in mathematics, statistics, and science that is used to quantify uncertainty and forecast the likelihood of future events based on available data. Probability is a measure of the likelihood or chance that an event will occur, expressed as a number between 0 and 1, with 0 indicating that the event is impossible and 1 indicating that the event is certain to occur.
Given
Total Beads =112+96+192=400
Placing the bead back to the crate
so the total beads are always 400
copper:112
p(copper)=112/400=0.28
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In a game, Mateo earned 180 points for collecting stars. He earned 270 points for
lestroying ships. Plus, he earned 5 points for each prisoner he saved. If he finished
he game with 500 points, how many prisoners did he save?
A
50
B 10
C) 15
D 250
ht©Swun Math
6.EE.6
SWUN MATH
6.EE.7
Grade 6 Unit 5 Mid-Unit Assessment VB, Page 1
Answer:
B. 10
Step-by-step explanation:
We can solve this fast by adding the points from the stars and ships together, then subtracting that number from the total 500 points Mateo earnd.
So it would look like this:
180+270=450
500-450=50
So if Mateo scored 50 points from saving prisoners and save is worth 5 points each, we can do 50÷5=10.
Susie's mom is keeping track of how many pieces of candy Susie and her four brothers are eating. The information is graphed below. At what rate is the amount of candy changing? A. -75 pieces of candy per day B. 90 pieces of candy per day C. -90 pieces of candy per day D. 75 pieces of candy per day
The rate of change for a graph passing through (0, 0) and (2, -180) is -90 pieces of candy per day
What is an equation?
An equation is an expression that shows the relationship between two or more numbers and variables. An equation can either be linear, quadratic, cubic and so on
The slope intercept form of a linear equation is:
y = mx + b
where m is the rate of change and b is the y intercept
Let y represent the total pieces of candy remaining after x days. Let us assume that the graph passes through (0, 0) and (2, -180). Hence:
[tex]Slope(rate\ of\ change) = \frac{y_2-y_1}{x_2-x_1}\\ \\substituting:\\\\slope=\frac{-180-0}{2-0} =-90[/tex]
The rate of change is -90 pieces of candy per day
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the first three terms of a sequence are given. round to the nearest thousandth (if necessary). 156,153,150,...156,153,150,... find the 46th term.find the 46th term.
The first term of the sequence is 156. Then the 46th term of the sequence is 156.
What are sequence and series?
A sequence is a list of elements that have been ordered in a sequential manner, such that members come either before or after. In mathematics, a series can be generally described as the sum of an infinite sequence of values.
Given
The first three terms of a sequence are shown.
156,153,150 and so on.
The given sequence is repeating every three terms, and the repeating terms are 156, 153, 150.
So, to find the 46th term, we need to determine which set of repeating terms it belongs to.
Dividing 46 by 3 gives us a quotient of 15 with a remainder of 1, meaning the 46th term belongs to the 16th set of repeating terms and will be the first term in that set, which is 156.
So, the 46th term of the sequence is 156.
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The first term of the sequence is 156. Then the 46th term of the sequence is 156.
What are sequence and series?
A sequence is a list of elements that have been ordered in a sequential manner, such that members come either before or after. In mathematics, a series can be generally described as the sum of an infinite sequence of values.
Given
The first three terms of a sequence are shown.
156,153,150 and so on.
The given sequence is repeating every three terms, and the repeating terms are 156, 153, 150.
So, to find the 46th term, we need to determine which set of repeating terms it belongs to.
Dividing 46 by 3 gives us a quotient of 15 with a remainder of 1, meaning the 46th term belongs to the 16th set of repeating terms and will be the first term in that set, which is 156.
So, the 46th term of the sequence is 156.
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4. Janet hiked 2.5 miles in one hour.
How far did she hike in kilometers?
A 0.6 km
B
1.6 km
C 4.0 km
D 4.2 km
Janet hiked a distance of 2.5 miles which is equivalent to 4 km
What is an equation?An equation is an expression that shows the relationship between two or more numbers and variables. An equation can either be linear, quadratic, cubic and so on
Speed is the ratio of total distance to total time travelled. It is given by the equation:
Speed = distance / time
Janet hiked 2.5 miles in one hour. Hence:
Speed = distance / time = 2.5 miles / one hour = 2.5 miles per hour
1 mile = 1.609 km
2.5 miles = 2.5 miles * 1.609 km per mile = 4 km
Janet hiked 4 km
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Parallelogram ABCD is plotted on a coordinate plane. The coordinates of point A are (-3, 5). Point B is at (1, 2), and point C is at (2, -4). What are the coordinates of the fourth vertex D
The coordinates of vertex D are (-3 + 1, 5 - 6) = (-2, -1).
What is parallelogram?
A parallelogram is a quadrilateral that has its opposite sides parallel and equal to each other. It has its interior opposite angles equal. Also, the angles on the same side of the transversal sum up to 180 degrees or are supplementary to each other.
To find the fourth vertex of a parallelogram given the coordinates of three vertices, we can use the property that opposite sides of a parallelogram are parallel and equal in length.
If we subtract the vector AB from the vector AC, we obtain the vector AD, which gives us the coordinates of the fourth vertex D.
AB = (1 - (-3), 2 - 5) = (4, -3)
AC = (2 - (-3), -4 - 5) = (5, -9)
AD = AC - AB = (5 - 4, -9 + 3) = (1, -6)
Therefore, the coordinates of vertex D are (-3 + 1, 5 - 6) = (-2, -1).
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How much does a customer pay for an article marked at $50.00 if a sales tax of 6% is charged?
Answer:
Howdy so if you buy an item to which 6% tax is added, you pay 106% of the price. The price of the item is $50, you pay 50(1.06) = $53.
What are the measures of angles AB and C show your work and explain your answers? I really only need the answer to C please :) this is my first post so giving as much as I can to people who answer. PLEASE ANSWER SOON
The measure of angles becomes:
∠a = 30°
∠b = 60°
∠c = 105°
What is triangle?Three vertices make up a triangle, a three-sided polygon. The angles of the triangle are formed by the connection of the three sides end to end at a point. The triangle's three angles add up to 180 degrees in total.
∠a and 30° are vertical angles and vertical angles are equal
∠a = 30°
We have a triangle with a, b and a right angle. Triangles have angles that add to 180°.
∠a + ∠b + 90° = 180°
30° + ∠b + 90° =180°
120° + ∠b = 180
∠b = 180° - 120°
∠b = 60°
Angle c and 70 form a straight line and straight lines are 180 degrees
∠c + 75° = 180°
∠c = 180° - 75°
∠c = 105°
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This is the answer on the assignment question I think
Answer: you got it right
Step-by-step explanation:
(−5/6x−7/12)−(−1/3x−1/4) . the slashes are fractions PLS ANSWER FAST
Answer:
That's what I got, not sure but I tried so I hope it helps.
convert the given system to an augmented matrix. 2x1 x2 = 2 −x1 − x2 − x3 = 6. Find all solutions by reducing the system to echelon form and back substituting. (If there are an infinite number of solutions use s1
as your parameter
The solution to the system is x1 = -4, x2 = 10.
What is the solution to the system?
A solution to a system of equations is a set of values for the variable that satisfy all the equations simultaneously. In order to solve a system of equations, one must find all the sets of values of the variables that constitute solutions to the system. (5, 4) is a solution of the first equation, but not the second.
The given system can be converted to an augmented matrix as follows:
[ 2 1 | 2 ]
[-1 -1 -1 | 6 ]
To find all solutions, we will reduce the system to echelon form and back substitute.
Step 1: Echelon Form
We can perform row operations to reduce the matrix to echelon form:
[ 2 1 | 2 ] R1 = R1 * 1/2
[-1 -1 -1 | 6 ]
[ 1 1/2 | 1 ] R2 = R2 + R1
[ 0 -3/2 -1 | 5 ]
Step 2: Reduced Row Echelon Form
Next, we can perform additional row operations to reduce the matrix to a reduced row echelon form:
[ 1 1/2 | 1 ] R2 = R2 * 2
[ 0 1 | 10 ]
The reduced row echelon form of the matrix represents the system of equations in a simplified form and the solution to the system can be obtained by back substituting.
Step 3: Back Substituting
x2 = 10
x1 = 1 - 1/2 x2 = 1 - 1/2 * 10 = 1 - 5 = -4
Therefore, the solution to the system is x1 = -4, x2 = 10.
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Rabbits in a lab are to be kept on a strict daily diet that includes 34 grams of protein, 17 grams of fat, and 47 grams of carbohydrates. The scientist has only three food mixes available with the following grams of nutrients per unit.
Each rabbit needs 4 units of protein, 2 units of fats, and 3 units of carbohydrates for the dietary need.
Given that
Mix A: 6 protein, 4 fat, 2 carbs
Mix B: 4 protein, 2 fat, 6 carbs
Mix C: 5 protein, 2 fat, 8 carbs
Now convert these mixes into quadratic equations
6a + 4b + 5c = 47--------(1)
4a + 2b + 2c = 26--------(2)
2a + 6b + 8c = 44-------(3)
Now divide (2) and )3) equations by 2:
6a + 4b + 5c = 47
2a + b + c = 13------(4)
a + 3b + 4c = 22--(5)
Eliminates A:
Pairs equations #4 and #5
6a + 4b + 5c = 47
2a + b + c = 13
Now multiply -3 for Equation(4) and after add with Equation (1):
6a+4b+5c=47
-6a -3b-2c = 39
------------------------
b + 2c = 8
Pairs equations (4) and (5):
2a + b + c = 13
a + 3b + 4c = 22
multiply -2 for Equation(5) and after add with Equation (4):
2a + b + c = 13
-2a-6b -8c =44
-----------------------
-5b+-7c=-31
multiply everything by -1
5b+7c=31
2 by 2 system from equations above in bold:
b+2c=8
5b+7c=31
solves by substitution: b = 8 - 2c
5(8 - 2c) + 7c = 31
40 - 10c + 7c = 31
40 - 3c = 31
-3c = -9
c = 3
Then b = 8 - 2(3) = 8 - 6
b=2
Simplified second equation: 2a+b+c=13
2a+2+3=13
2a=8
a = 4
Therefore, A=4 B=2 C=3
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On January 22 in 1943, the town of Spearfish, South Dakota, set the record for the world’s fastest temperature change. At 7:30 a.m., the temperature was -4°F. By 7:32 a.m., the temperature was 45°F. By 9:00 a.m. the same day, the temperature was 54 °F. By 9:27 a.m., the temperature was -4 °F. How many degrees did the temperature change each minute from 9:00 to 9:27?
From 9:00 a.m. to 9:27 a.m., the temperature changed from 54°F to -4°F, a change of 58°F. This change took 27 minutes.
The temperature change per minute was 58°F / 27 minutes = 2.15°F per minute.
find mean in the above distribution
The mean in the above distribution is 1.84
How to find mean in the above distributionFrom the question, we have the following parameters that can be used in our computation:
The figure
The mean value is then calculated as
Mean = SUm of the product of children and familes/Sum of families
So, we have
Mean = (0 * 23 + 1 * 19 + 2 * 29 + 3 * 9 + 4 * 20)/(23 + 19 + 29 + 9 + 20)
Evaluate
Mean = 1.84
Hence, the mean is 1.84
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Geometry 1 find the measure of the angle
Answer:
46
Step-by-step explanation:
draw a line at 96° & make it parallel to bottom line
which will slice 96° into 2 angles
lower half is 180-130=50
top half is 96-50=46
angle 4r equals to top half
Refer to the T-account below Work In Process 30,000 (12) Bal. 270,000 90,000 70,000 0,000 Entry (12) could represent which of the following? (9)110,000 Bal A) Direct labor cost incurred in production B) Purchases of raw materials C) The cost of goods manufactured transferred to Finished Goods D) The cost of indirect materials incurred in production
The correct option answer is C , that is Entry 12 represents The cost of goods manufactured transferred to Finished Goods
Given that, the T-account below Work In Process 30,000 (12) Bal. 270,000 90,000 70,000 110,000
We have, Total work in progress (WIP) before Transfer =
30,000 + 90,000 +70,000 + 110,000 = $300,000
And the ending work in progress (WIP) = 30,000
It clearly means that 270,000 (300,000 - 30,000) of goods has been transferred to finished goods inventory.
Therefore, the balance entry represents that the cost of goods manufactured transferred to Finished Goods.
The required question's table of T-account is attached below.
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Percy thinks that since the data {5, 0, 4, 0, 0} has a mode of 0, the data has no mode.
Using 3-5 sentences, critique Percy's reasoning.
The reasoning of Percy is incorrect because there is one mode for the data set.
What is Mode?Mode of a data set is the value that occur most frequently in a data set.
There may be no mode, one mode or more than one mode for a data depending on the number of times values are repeating.
Given data is {5, 0, 4, 0, 0}.
Here the value 0 is repeating three times.
No other number has repeated three times.
So there is only one mode for the data set and is 0.
This does not mean that there is no mode for the set.
A data set has no mode if and only if all the numbers in the set are repeated same number of times.
Hence the reasoning of Percy is incorrect.
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in each of the following scenarios, state what type of distribution should be used to model the response y: binomial, multinomial, poisson, or normal.
The total number of respondents and x would be the total number of respondents who rate the product a 5.
A survey asking respondents to rate a product on a scale of 1 to 5
In this scenario, a binomial distribution should be used to model the response y. A binomial distribution is a discrete probability distribution that is used to model the probability of a certain number of successes in a given number of trials. The formula for a binomial distribution is P(x) = nCx * p^x * (1-p)^(n-x) where n is the number of trials, x is the number of successes, and p is the probability of success in a single trial. In this case, n would be the total number of respondents and x would be the total number of respondents who rate the product a 5.
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Which of the following functions are solutions of the differential equation y′′+2y′+1y=0 ?
A. y(x)=−x
B. y(x)=e^-x
C. y(x)=xe^x
D. y(x)=e^x
E. y(x)=xe^−x
F. y(x)=−e^x
G. y(x)=0
Option (B) and (E) functions are solutions of the differential equation y′′+2y′+1y=0.
What is differential equation?An equation known as a differential equation describes the derivative or derivatives of an unknown function. Because they are equations involving a function and its derivatives (where the variable is a function rather than a number) (the functions obtained by differentiating it). Save this response. Common differential equations are used in everyday life to compute the flow of electricity, the motion of an item back and forth like a pendulum, and to illustrate the principles of thermodynamics. Additionally, in medical terminology, they are employed to graphically monitor the progression of illnesses.
Given that,
y′′+2y′+1y = 0
A.E = m² + 2m + 1 = 0
or, (m + 1)² = 0
or, m = ± 1
y = (c₁ + c₂x)e⁻ˣ
y = c₁e⁻ˣ + c₂xe⁻ˣ
Thus, option (B) and (E) are solutions of the differential equation:
y′′+2y +1y = 0.
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Find the simple interest when $500 is invested at 6% for 3 years.
Given:-
[tex] \rm Principal = \bold { 500}[/tex][tex] \rm \: Time = \bold{ 3 year}[/tex][tex] \rm \: Interest \: rate = \bold 6 \%[/tex][tex] \: [/tex]
To find:-
[tex] \rm{simple \: interest = \bold {?}}[/tex][tex] \: [/tex]
By using formula:-
[tex] \pmb{\boxed{ \rm{Simple \: interest = \bold { \frac{Principal × Time × Rate}{100} }}}}[/tex][tex] \: [/tex]
Solution:-
[tex] \rm{SI = \frac{PTR}{100} }[/tex][tex] \: [/tex]
[tex] \rm{SI = \frac{500 \times 3 \times 6}{100} }[/tex][tex] \: [/tex]
[tex] \rm{SI = \frac{5 \cancel{00} \times 3 \times 6}{1 \cancel{00}} }[/tex][tex] \: [/tex]
[tex] \rm{SI = \frac{5 \times 3 \times 6}{1} }[/tex][tex] \: [/tex]
[tex] \underline{ \boxed{ \rm \bold{{ \red{SI =90}}}}}[/tex][tex] \: [/tex]
hope it helps!:)
Find mqn
Please help me
70 degrees is the measure of MQN from the provided figure.
Solving angles in a line geometry.A line has length but no width, making it a one-dimensional figure. A line is made up of a collection of points that can be stretched indefinitely in opposing directions.
From the given figure, we are to determine the measure of angle <MQN. Applying the sum of angles on a straight line:
<MQN + 80 +30 = 180
<MQN + 110 = 180
<MQN = 180 - 110
<MQN = 70 degrees
Hence the measure of <MQN from the given figure is 70 degrees.
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Does someone mind helping me with this problem? Thank you!
Answer: the answer is 180 km.
Step-by-step explanation:
Answer:
180 km
Step-by-step explanation:
1 cm to 20 km
9cm=20 times 9
180 kilometers
Kendra has been saving her earnings from mowing the neighborhood lawns. She has 80 dollars and wants to spend it all on games.
If each game costs 9 dollars, how many can Kendra buy?
100 POINTS!!!
Find the equation of the linear function represented by the table below in slope-intercept form.
x y
1 0
2 5
3 10
4 15
For Halloween you bought a bag of 500 pieces of mixed candy. After just one hour you see that you only have 350 pieces left for the rest of the evening. What is the percentage change in candy after that first hour?a. -25%b. -35%c. -15%d. -30%
She has 480 pieces of candy left after Halloween (option a ) -25% percentage
to solve this problem we have to analyze the information given:
Candy available: six 100-piece bags
Number of children: 20
Pieces of candy for each child: 6
So, we have to calculate the total amount of candy available by multiplying the pieces of candy that each bag has (100) by the number of bags(6)
100 x 6 = 600
Then, we have to multiply the number of children (20) by the number of pieces of candy that each one receives (6) and then subtract that number to the number of pieces of candy available.
20x 6 = 120
600 -120 = 480
She has 480 pieces of candy left after Halloween (option a ) or -25 percentage
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A university student completed courses worth 3 credits and some courses worth 4
credits. The student earned a total of 54 credits after completing 15 courses. How
many courses worth 4 credits did the student complete?
What is the value of sin^2-cos^2?
The of sin^2-cos^2 = [tex]Sin 2x Cos 2x = 2 Cos x (2 Sin x Cos2 x - Sin x)[/tex]
Sin equals cos where?The sine of the angle is the ratio of the hypotenuse, or the angle's opposite, to the perpendicular in a right-angled triangle. Sinus is defined as Sinus = Perpendicular / Hypotenuse.
Sin 180 has a value of 0 precisely. One of the fundamental trigonometric functions is sine, which may be used to calculate the angle or sides of a right-angled triangle. Another name for it is trigonometric ratio.
If theta is an angle, then sine theta is the ratio of a right triangle's hypotenuse to its perpendicular.
trigonometric double angle formulas,
[tex]Sin 2x = 2 sin x cos x[/tex] ————(i)
And,
[tex]Cos 2x = Cos2x - Sin2x[/tex]
[tex]= 2 cos2x - 1 [Since Sin2 x + Cos2 x = 1][/tex] ————(ii)
[tex]= 1 - 2Sin2x[/tex] ————(iii)
Now, multiply equation I by (ii) or (ii) by equation I to obtain the value of Sin 2x Cos 2x (i)
Think about equation I and (ii),
[tex]Sin 2x = 2 sin x cos x[/tex]
And,
[tex]Cos 2x = 2 cos2x - 1[/tex]
Simplifying the above equation, then we get
[tex]Sin 2x Cos 2x = 2 Sin x Cos x (2 cos2x - 1)= 4 Sin x Cos3 x - 2 Sin x Cos x= 2 Cos x (2 Sin x Cos2 x - Sin x)[/tex]
Think about equation I and (iii),
[tex]Sin 2x = 2 sin x cos xCos 2x = 1 - 2 Sin2x[/tex]
Simplifying the above equation, then we get
[tex]Sin 2x Cos 2x = 2 Sin x Cos x (1 - 2 Sin2x)= 2 Sin x Cos x - 4 Sin3 x Cos x= 2 Cos x (Sin x - 2 Sin3 x)So,Sin 2x Cos 2x = 2 Cos x (2 Sin x Cos2 x - Sin x)[/tex]
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a few months ago, mike and dez started a dog walking business. for each dog that they have agreed to walk, they recorded the total time (in hours) they walked that dog over a one-week period. these values are given below. use the calculator to draw a histogram for these values using 5 classes. 1.6,4.0,4.7,1.6,2.5,2.2,0.6,2.0,3.0,2.6 what percentage of their dogs are walked at least 1.5 hours but under 4.2 hours per week? (round your answer to the nearest percent.)
You can easily find the percentage of dogs that are walked at least 1.5 hours but under 4.2 hours per week by counting the number of data values in the appropriate class and dividing by the total number of data values, then multiplying by 100.
How you can create a histogram?Determine the range of the data: 0.6 to 4.7.
Divide the range by the number of classes (5) to find the class width: (4.7 - 0.6) / 5 = 0.76.
Determine the lower limits of each class by starting at the minimum value (0.6) and adding the class width repeatedly: 0.6, 1.36, 2.12, 2.88, 3.64, 4.4.
Count the number of data values that fall into each class and record it in a table.
Draw a bar for each class using the lower limit of the class as the x-axis value and the height of the bar equal to the number of data values in the class.
After creating the histogram, you can easily find the percentage of dogs that are walked at least 1.5 hours but under 4.2 hours per week by counting the number of data values in the appropriate class and dividing by the total number of data values, then multiplying by 100.
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find the horizontal and vertical asymptotes of the curve. y = 3 + x4 x2 − x4
The horizontal asymptote of the curve y = 3 + x^4 / x^2 - x^4 is y = 1 and the vertical asymptotes are x = +√(x^4) and x = -√(x^4).
How to find the horizontal and vertical asymptotes of the curve?To find the horizontal and vertical asymptotes of the curve y = 3 + x^4 / x^2 - x^4, we need to examine the behavior of the function as x approaches positive and negative infinity.
For the horizontal asymptote, we look at the behavior of the function as x approaches positive and negative infinity. If the degree of the numerator is less than the degree of the denominator, the horizontal asymptote is y = 0. If the degree of the numerator is equal to the degree of the denominator, the horizontal asymptote is the ratio of the leading coefficients of the numerator and denominator. If the degree of the numerator is greater than the degree of the denominator, there is no horizontal asymptotic.
According to question:In this case, the degree of the numerator (x^4) is equal to the degree of the denominator (x^4), and the leading coefficients are both 1. Therefore, the horizontal asymptotic is the ratio of the leading coefficients, which is y = 1.
For the vertical asymptote, we look for any x-values that make the denominator equal to zero, since the function is undefined for these values. In this case, x = +√(x^4) and x = -√(x^4) are the roots of the denominator, so they are the vertical asymptotes.
Therefore, the horizontal asymptote of the curve y = 3 + x^4 / x^2 - x^4 is y = 1 and the vertical asymptotes are x = +√(x^4) and x = -√(x^4).
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your friend measured the distance between her town and the state capital on the map. Her measurement was 4 1/2 inches. Based on your friend's measurement ,what is the actual distance (in miles) between her town and the state capital ?
The actual distance (in miles) between her town and the state capital is 90 miles.
What is scale factor?A scale factor is defined as the ratio between the scale of a given original object and a new object, which is its representation but of a different size (bigger or smaller).
The basic formula to find the scale factor of a figure is expressed as,
Scale factor = Dimensions of the new shape ÷ Dimensions of the original shape.
Given that, a map of the state where your friend lives has the scale 1/2 in : 2 mi.
Now, 10 ÷ 1/2
= 10×2
= 20
Her measurement was 4 1/2 =9/2 inches.
Now, 20×9/2
= 90 miles
Therefore, the actual distance (in miles) between her town and the state capital is 90 miles.
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"Your question is incomplete, probably the complete question/missing part is:"
A map of the state where your friend lives has the scale 1/2 in : 2 mi.
Your friend measured the distance between her town and the state capital on the map. Her measurement was 4 1/2 inches. Based on your friend's measurement ,what is the actual distance (in miles) between her town and the state capital?