The vertical axis of the scatter plot is the height; on the other hand, if the sphere is 6 inches, the height is closer to 5 inches than to 11 inches.
What is the vertical axis?In this scatter plot, the horizontal axis is the width; however, we know the second variable is the height and this should be in the vertical axis.
What is the height if the width is six inches?Following the trend of the graph, it can be concluded the height if the width is six inches is approximately 5 rather than 11 inches.
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Identify the y- intercept of the graph below
b= -4
b=6
b=4
b= -10
If the figure below is reflected over the y-axis, what are the coordinates of c’? I need IT ALL!
Given diagram drawn on the graph is parallelogram.
For find out 4th coordinate of parallelogram.
We must know the basics of graph.
Graph can defined as pictorial representation using data or point in the organized manner.
Graph having x-coordinate and y-coordinate.
For find out the location of point.
We must know how to locate coordinates.
For find X-point , parallel distance from y-axis.
For find Y-point , parallel distance from x-axis.
Observe the given diagram.
Find out the parallel distances of x-axis and y-axis.
4th coordinate of parallelograms is c(2,-5).
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Construction One linear foot of 12-in. I-beam weighs 25.4 lb. What is the length of a beam that weighs 444.5 lb?
Answer:
17.6 feet.
Step-by-step explanation:
The length of the I-beam can be calculated as follows:
Weight = Length * Weight per Foot
Rearranging this equation:
Length = Weight / Weight per Foot
Substituting the given values:
Length = 444.5 lb / 25.4 lb/ft = 17.6 ft
So, the length of the I-beam is 17.6 feet.
Leah ate 9 hot dogs every 21 hours. At that rate how many would she eat in 35 hours
Answer:
15
Step-by-step explanation:
9/21 aproximatly = 0.42 then x35 = 15
Solve for X need answers FAST! will give brainliest!
Answer:
x=6
Step-by-step explanation:
the two dashes show that the two lines are parallel, so 23=3x+5; subract 5 from both sides to get 18=3x, so x=6
Two right triangles are proportional. The shortest leg of the small triangle is 4 in and the hypotenuse is 12 in. The shortest leg of the large triangle 8 in. Find the length of the hypotenuse of the large triangle.
If the shortest leg of the small triangle is 4 in and the hypotenuse is 12 in and the shortest leg of the large triangle 8 in, then the length of the hypotenuse of the large triangle is 24 inches.
We know that two triangles are proportional if their corresponding sides are in proportion to each other. That is, the ratio of the lengths of the corresponding sides is the same for both triangles.
Let's denote the length of the hypotenuse of the large triangle by "h". We can set up a proportion using the given information:
shortest leg of small triangle / hypotenuse of small triangle = shortest leg of large triangle / hypotenuse of large triangle
Plugging in the values we get:
4/12 = 8/h
Simplifying the equation we get:
h = (12*8)/4 = 24
To explain the solution, we used the fact that similar triangles have proportional sides. We then used the given information about the lengths of the sides of the small and large triangles to set up a proportion and solve for the unknown length of the hypotenuse of the large triangle.
The key to this problem was recognizing the relationship between similar triangles and using that relationship to set up and solve a proportion.
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Describe the relationship between precalculus and calculus. List three precalculus concepts and their corresponding calculus counterparts.
The relationship between precalculus and calculus has been explained and both precalculus and calculus deals with the tangent of the line, slope of the line, y intercept, velocity etc.
Precalculus is the study of mathematics or the course that includes algebra, trigonometry etc. to make a student for study the calculus . The precalculus covers the topics likes complex numbers, composite numbers, trigonometric functions, vectors, matrices, probability etc.
Calculus is the study of mathematics that deals with the rate of changes. Applications of the calculus are finding the slope of the curve, finding the area of region, calculation of x intercept and y intercept etc.
Both precalculus and calculus deals with the tangent of the line, slope of the line, y intercept, velocity, acceleration, area, volume etc.
Therefore, the relationship between precalculus and calculus has been explained
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Use the given minimum and maximum data entries, and the number of classes, to find the class width, the lower
class limits, and the upper class limits.
minimum = 10, maximum = 68, 7 classes
The class width is ?
The lower class limits are ?
The upper class limits are ?
Answer:
Step-by-step explanation:
213232131123123123123123
1. To find the class width, we first need to find the range of the data, which is the difference between the maximum and minimum values: 68 - 10 = 58. Then, we divide the range by the number of classes to get the class width: 58 / 7 = 8.29. However, we will round up to the nearest whole number, so the class width is 9.
2. The lower class limits are 10, 19, 28, 37, 46, 55, and 64, since we add the class width to the lower limit of each previous class to find the lower limit of the next class.
3. The upper class limits are 18, 27, 36, 45, 54, 63, and 68, since we add the class width to the lower limit of each class to find the upper limit of that class.
Does anyone know the reasoning for B
Answer:because angles in a triangle add up to 180 degrees.
Step-by-step explanation:
A=40
C=30
So 180-40-30=110
The polynomial of degree 5,
P(x) has leading coefficient 1, has roots of multiplicity 2 at x = 1 and x = 0, and a root of multiplicity 1 at
x = -5 Find a possible formula for P(x).
Answer:
Step-by-step explanation:
Given the information that the polynomial function P(x) has leading coefficient 1, has roots of multiplicity 2 at x = 1 and x = 0, and a root of multiplicity 1 at x = -5, we can use this information to find a possible formula for P(x).
A polynomial function's roots are the values of x that make the function equal to zero. If a root has multiplicity n, it means that (x - root) is a factor of the polynomial function n times.
So, based on the given information, we know that P(x) must be divisible by the factors (x - 1)^2, (x - 0)^2, and (x + 5), and that the leading coefficient must be 1.
Putting it all together, a possible formula for P(x) is:
P(x) = (x - 1)^2 (x - 0)^2 (x + 5) = (x^2 - 2x + 1)(x^2)(x + 5) = x^6 - 7x^5 + 17x^4 - 22x^3 + 17x^2 - 7x + 5
So, the possible formula for P(x) is P(x) = x^6 - 7x^5 + 17x^4 - 22x^3 + 17x^2 - 7x + 5.
Answer: [tex]P(\text{x}) = \text{x}^2(\text{x}-1)^2(\text{x}+5)[/tex]
Explanation:
If k is a root of P(x), then x-k is a factor. The multiplicity is the exponent for that factor.
For instance, the root x = 1 with multiplicity 2 leads to the factor [tex](\text{x}-1)^2[/tex]
The leading coefficient is the number out front. For example, if the leading coefficient was 8, then we'd have [tex]P(\text{x}) =8\text{x}^2(\text{x}-1)^2(\text{x}+5)[/tex]
However, we change that "8" to a "1" since the leading coefficient is 1 here.
That's how we get to
[tex]P(\text{x}) = 1\text{x}^2(\text{x}-1)^2(\text{x}+5)[/tex] aka [tex]P(\text{x}) = \text{x}^2(\text{x}-1)^2(\text{x}+5)[/tex]
Optionally if you were to expand everything out, combine like terms, and simplify then you'd get
[tex]P(\text{x}) = \text{x}^2(\text{x}-1)^2(\text{x}+5) = \text{x}^5 + 3\text{x}^4- 9\text{x}^3+5\text{x}^2[/tex]
I don't recommend doing this because you lose the information about the roots along with their corresponding multiplicities. It's better to keep things factored.
You can use a graphing tool like Desmos or GeoGebra to verify the answer.
Match the graph of the system of equations with the appropriate description of the solution.
No solution.
The solution is (0, 0).
The solution is (-1, -2).
There are infinitely many solutions.
The requried solution of the system of equations is (-1, -2). Option C is correct.
What are simultaneous linear equations?Simultaneous linear equations are two- or three-variable linear equations that can be solved together to arrive at a common solution.
Here,
Two intersecting lines will have exactly one solution (i.e., a unique point of intersection) if and only if they are not parallel.
In other words, if the slopes of the two lines are different, they will intersect at a single point. This is because the slopes of the lines determine how steep they are, and if they are not the same, they will eventually cross at a single point. So from the graph, both lines intersect at (-1, -2) implying that The solution is (-1, -2).
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Please helpppp
if y+3/y-3 = 6
What is the value of y?
f(x) =3(x-2) (x+4)
f(x) = (3x+12) (x-2)
f(x) =3(x+4) (x+2)
f(x) = 3 (x-4) (x+2)
Answer:
Step-by-step explanation:
The answer is d. f(x) = 3 (x-4) (x+2).
please help with this math,
Question 4
Component of mix Year 1 Year 2 Standard weight
A Po Pn W
3.00 6.00 16
B 6.80 8.50 6
C 20.80 17.68 2
Using information in the table above, Compute the weighted average of relatives and the weighted average price index.
The weighted average price index is 171, which means that the average price of the components in Year 2 was 171% of their average price in Year 1.
How to find the weighted average price index?To compute the weighted average of relatives, we need to find the weighted average of the ratio of the prices of each component in Year 2 to Year 1. Let's call this ratio the "relative price".
Relative price for component A = Po Year 2 / Po Year 1 = 6.00 / 3.00 = 2.00
Relative price for component B = Pn Year 2 / Pn Year 1 = 8.50 / 6.80 = 1.25
Relative price for component C = Pn Year 2 / Po Year 1 = 17.68 / 20.80 = 0.85
Next, we'll find the weighted average of the relatives by summing the product of each relative price and its corresponding standard weight, and dividing by the sum of the standard weights.
Weighted average of relatives = (2.00 * 16 + 1.25 * 6 + 0.85 * 2) / (16 + 6 + 2)
= (32 + 7.5 + 1.7) / 24
= 41.2 / 24
= 1.71
The weighted average of relatives is 1.71, which means that the average price of the components increased by 71% from Year 1 to Year 2.
To compute the weighted average price index, we'll use the weighted average of relatives as a reference point and multiply it by 100.
Weighted average price index = Weighted average of relatives * 100
= 1.71 * 100
= 171
Therefore the weighted average price index is 171, which means that the average price of the components in Year 2 was 171% of their average price in Year 1.
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In Exercises 4 and 5, show that the triangles are similar and write a similarity statement.
Explain your reasoning.
ΔXVZ and ΔXWY are similar by SAS property of similarity.
We have,
ΔXVZ and ΔXWY
XW/WV = XY/YZ
15/20 = 27/36
3/4 = 3/4
The ratio of two pairs of corresponding sides is equal. ______(1)
And,
m∠XWY = m∠XVZ = 90
The included angle of the two triangles is equal. ________(2)
Now,
From (1) and (2),
ΔXVZ and ΔXWY are similar.
By SAS property of similarity.
Thus,
ΔXVZ and ΔXWY are similar by SAS property of similarity.
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given that f(x)= 7x-1 and g(x) = 7-x^2, calculate
09:42 Man 13 Feb
A school carried out a report on their Year 11 students to see the impact of doing homework
regularly on final grades achieved in maths. The results are presented in the frequency tree.
Get grade B or higher
Do homework
Complete the tree.
75
6
Don't do
homework
regularly
60
b
D
Get lower than grade B
Get grade B or higher
Get lower than grade B
The percentage of students who are doing their homework regularly is 75%.
What is a Universal Set?A universal set in set theory is a set that includes itself as well as all other items. A universal set's nonexistence in set theory as it is typically expressed can be demonstrated in a number of different ways. However, a universal set is a part of several unconventional set theory variations.
To find the percentage of students who are doing their homework regularly,
We find the total students and this is 75 + 5 = 80 students
The percentage is 60/80 * 100
= 75%
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What is the volume 
Answer:
12 [tex]in^{3}[/tex]
Step-by-step explanation:
Volume is the length x the width x the height
The rectangle of the bottom would be
(4)(2)(1) = 8
The rectangle on the top would be
(1)(2)(2) = 4
8 + 4 = 12 [tex]in^{3}[/tex]
11. Mike plans to make contributions to his retirement account for 15 years. After the last contribution, he will start withdrawing $10,000 a quarter for 10 years. Assuming Mike's account earns 8% compounded quarterly, how large must his quarterly contributions be during the first 15 years, in order to accomplish his goal?
Answer:
To solve this problem, we need to use the formula for compound interest:
A = P * (1 + r/n)^(nt)
where:
A = future value of the account
P = present value (the contributions)
r = interest rate (as a decimal)
n = number of times the interest is compounded per year
t = number of years
First, we need to find the future value of the account (A) after 10 years of withdrawals at $10,000 per quarter. This means there will be 40 quarters in total ($10,000 * 40 = $400,000).
Next, we need to find the present value of the account (P) after 15 years of contributions.
Let's call the quarterly contributions "x".
We can set up the equation as follows:
$400,000 = x * (1 + 0.08/4)^(4 * 15) - $10,000 * (1 + 0.08/4)^(4 * 10)
We can now solve for x using a financial calculator or by using a programming language to perform the calculation. The result of this calculation is that Mike's quarterly contributions should be $2,597.29 in order to accomplish his goal.
What is a inequality on a number line
Answer:
add wtwo numbers x by 3? I am sorry don't understand question
Step-by-step explanation:
what decimal is equivalent to 29 11
Answer:
2.64
Step-by-step explanation:
The process of completing the square can be used to calculate the width, in feet, of the storage bin that gives a maximum area.
The missing value in the expression A = -2(x-9)² + ? is 162, which represents the maximum area of the storage bin.
What is Perfect Square?A perfect Square is defined as an integer multiplied by itself to generate a perfect square, which is a positive integer. Perfect squares are just numbers that are the products of integers multiplied by themselves.
To complete the perfect square, we need to factor out the coefficient of the squared term (-2) from the expression:
A = -2x² + 36x
A = -2(x² - 18x)
Next, we need to add and subtract the square of half the coefficient of the x-term (-18/2 = -9) inside the parentheses:
A = -2(x² - 18x + (-9)² - (-9)²)
Simplifying the expression inside the parentheses, we get:
A = -2[(x - 9)² - 81]
Distributing the -2, we get:
A = -2(x - 9)² + 162
Therefore, the missing value in the expression is 162.
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What property is being shown in Steps 3 and 7?
Step 1: 5(x-1)-x<3(4x-7)
Step 2: 5x-5-x< 12r-21
Step 3: 5x-x-5 < 12x-21
Step 4: 4x-512x-21
Step 5: 4x 4x-5 <12r-4x-21
Step 6: -58r-21
Step 7: -5+21 < 8x - 21+ 21
Step 8:16 < 8r
Step 9: 16/8< 8x/8
Step 10: 2 2
Commutative property and Addition property of inequality
Distributive property and Addition property of inequality
Commutative property and Multiplication property of inequality
Commutative property and Division property of inequality
For given linear inequalities in step 3 and 7 properties shown are Commutative property and addition property of inequality.
What exactly is a linear inequality?
In mathematics, inequality denotes a mathematical statement with no equal sides. An inequality happens in mathematics when a connection results in a non-equal comparison of two expressions or two numbers. Any of the inequality symbols, such as greater than symbol (>), less than symbol (<), greater than or equal to symbol (≥), less than or equal to symbol (≤), or not equal to symbol (≠), replace the equal sign "=" in the sentence. In mathematics, inequalities are classified into three types: polynomial inequalities, rational inequalities, and absolute value inequalities.
The characters "< and >" denote severe inequalities, whereas ‘≤’ and ‘≥’ denote slack inequalities. A linear inequality looks to be a linear equation, however the formula is different.
Now,
As stated in Commutative property the order in addition does not matter and in addition property the value added on both sides does not affect the result.
In step 3 we can write this as 5x-x-5<11x+x-21
which will not change result and
in step 7, 21 is added both sides which will not change result.
Hence,
For given linear inequalities in step 3 and 7 properties shown are Commutative property and addition property of inequality.
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What is the equation of a cubic function whose roots are 4,3 and -3 and goes through the point (2,20)
Write answer in the form
Y=a(x-x1)(x-x2)(x-x3)
The equation of the cubic function is 2( x-4) (x-3) x+3)
What is cubic function?A cubic function is a polynomial function of degree 3 and is of the form f(x) = ax3 + bx2 + cx + d, where a, b, c, and d are real numbers and a ≠ 0.
The equation of a cubic function is given as;
x³-(a+b+c) x² + ( ab+bc+ca) x + abc
where a,b,c are the root of the cubic function
a = 4, b = 3 and c= -3
a+b+c = 4+3-3 = 4
ab = 4×3 = 12
bc = -3×3 = -9
ca = -3×4 = -12
ab+bc+ca = 12-9-12 = -9
abc = 4×3×-3 = -36
therefore;
x³-( 4)x² + ( -9)x -36
x³-4x²-9x -36
therefore y = a( x-4) (x-3) x+3)
at point (2,20)
substitute x by2 and y by 20
20 = a( -2) (-1) (5)
20 = a10
a = 20/10
a= 2
therefore the equation of the cubic function is
2( x-4) (x-3) x+3)
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The polygons shown are similar. Find the value of each variable.
The value of x is 7.
(Type an integer or a decimal.)
The value of y is.
(Type an integer or a decimal.)
CIT
10.9
5
7.5
3.5
The values of x and y are given as follows:
x = 7y = 7.5.What are similar polygons?Similar polygons are polygons that share these two features presented as follows:
Congruent angle measures.Proportional side lengths.The proportional relationship for the side lengths in this problem is given as follows:
x/10.5 = 5/y = 5/7.5.
Hence the value of x is given as follows:
7.5x = 5 x 10.5
x = 5 x 10.5/7.5
x = 7.
The value of y is given as follows:
5/y = 5/7.5
y = 7.5.
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Select the correct answer.
What is this expression in simplest form?
X + 2/ 4x^2 + 5x +1 • 4x + 1/ x^2 - 4
1/(x+1)(x-2) is the simplified form of the expression
Simplifying expressions into its simplest formGiven the expression below
x+2/4x²+5x+1 · 4x+1/x²-4
Factorise the quadratic expressions
4x²+5x+1 = 4x²+4x + x+1
4x²+5x+1 = 4x(x+1)+1(x+1)
4x²+5x+1 = (4x+1)(x+1)
For the expression x²-4
x²-4 = (x+2)(x-2)
Substitute
x+2/4x²+5x+1 · 4x+1/x²-4 = x+2/(4x+1)(x+1) · 4x+1/(x+2)(x-2)
x+2/4x²+5x+1 · 4x+1/x²-4 = 1/x+1 · 1/x-2
x+2/4x²+5x+1 · 4x+1/x²-4 = 1/(x+1)(x-2)
Hence the simplified form of the expression is 1/(x+1)(x-2)
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Each night different meteorologists give us the probability that it wil rain the next day.
To judge how well these people predict, we will score each of them as follows:
If a meteorologist says that it will rain with probability p, then he or she will receive a score of:
{1-(1-p)^2 if it does rain
(1 - p^2 if it does not rain
We will then keep track of scores over a certain time span and conclude that the meteorologist with the highest average score is the best predictor of weather.
Suppose now that a given meteorologist is aware of this and so wants to maximize his or her expected score.
If this person truly believes that it will rain tomorrow with probability q, what value of p should he or she assert so as to maximize the expected score?
a)Choice of p= (I know this is p=q). What are the other answers?
b)With this choice, what is the expected payoff in terms of q?
c)
On the other hand, if the payoffs are
{1-(1-p)^2
{1-1.1p^2
Choice of p=
(a) When q = 0 or q = 1, we get p = 0.5, but for other values of q, the optimal value of p is different.
(b) When q = 1, the expected score is 1, which is the maximum possible score.
(c) The optimal value of p also depends on the value of q in this case.
a) The expected score of the meteorologist can be expressed as the weighted average of the two possible scores, where the weights are the probabilities of it raining or not raining:
Expected score = p(1 - (1 - q)^2) + (1 - p)(1 - q^2)
To maximize the expected score, we need to differentiate it with respect to p, set the derivative equal to zero, and solve for p. This gives:
2q(1 - q) = 1 - 2p
Solving for p, we get:
p = (1 - 2q + 2q^2) / 2
So the optimal value of p depends on the value of q. When q = 0 or q = 1, we get p = 0.5, but for other values of q, the optimal value of p is different.
b) If the meteorologist chooses p = q, then the expected score simplifies to:
Expected score = q(1 - (1 - q)^2) + (1 - q)(1 - q^2)
= q^3 + (1 - 2q)q^2 + (1 - q)
To find the maximum expected score, we can take the derivative of this expression with respect to q, set it equal to zero, and solve for q. This gives:
3q^2 - 4q + 1 = 0
This quadratic equation has two roots: q = 1/3 and q = 1. When q = 1, the expected score is 1, which is the maximum possible score. When q = 1/3, the expected score is (8/27), which is the maximum score for any value of q between 0 and 1.
c) If the payoffs are {1 - (1 - p)^2, 1 - 1.1p^2}, then the expected score of the meteorologist is:
Expected score = p(1 - (1 - q)^2) + (1 - p)(1 - 1.1q^2)
To maximize this expected score, we can differentiate it with respect to p, set the derivative equal to zero, and solve for p. This gives:
2.2q^2 - 2q + 1 = 2p
Solving for p, we get:
p = (2.2q^2 - 2q + 1) / 2
So, in this scenario, the value of q also affects the ideal value of p.
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Graph the function y=2x
A square a triangle and a parallelogram are used to form the figure shown. What is the area of the figure in square feet?
A) 213.04
B) 210.64
C) 231.04
D) 207
The area of the attached figure is 32 square mm
What is the area of the figure?The similar question is added as an attachment
From the question, we have the following parameters that can be used in our computation:
A square a triangle and a parallelogram
The shapes can be combined to
a triangle and a parallelogram
So, we have
Area = Sum of individual areas
Using the dimensions of the shapes as a guide, we have the following:
Area = 0.5 * 2 * 8 + 4 * 6
This gives
Area = 32
Hence, the area is 32 square mm
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A car is driving at 180 miles per hour. What is the speed in miles per minute
Horizontal and vertical lines are special lines. A horizontal line goes from left to right and is parallel to the x-axis. The equation is y=b. What is its slope?
A vertical line goes up and down and is parallel to the y-axis. The equation is x=a. What is its slope?
Please give at least two examples of equations for vertical and horizontal line.
Horizontal lines have a slope of zero, since the "rise" is; zero.
What is the slope?The slope is the ratio of the vertical changes to the horizontal changes between two points of the line.
m = ( y₂ - y₁ ) / ( x₂ - x₁ )
Since we know that Vertical lines have an undefined slope, since the "offset" is zero, and division by zero is not allowed.
If the slope has a value of zero, the line is horizontal, neither increases nor decreases.
Therefore,
Horizontal lines always have an equation of the form; y = a
Vertical lines always have an equation of the form; x = b
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