Step-by-step explanation:
6/18
18/6
Which we can divide and its
3/1
3
Write the polynomial with roots 4, -3, and -6 (double root) with NO stretch factor
Answer: go to bitly and type
Step-by-step explanation: 3f3FcEi
Solve the equation using the Quadratic Formula. x^{2}-11x-5=0
Solution of the equation x² -11x -5 =0 using quadratic formula is equal to x = (11 ±√141)/ 2 .
As given in the question,
Given equation is equal to
x² -11x -5 =0
Solving the given equation using quadratic formula we get,
Standard quadratic equation is
ax² + bx + c =0
D = √b² -4ac
D >0 two distinct roots.
Roots given by:
x = ( -b ± √b² -4ac) /2a
Here a = 1 , b= -11, c= -5
D = √ (-11)² -4(1)(-5)
= √121+20
=√141 >0
Two distinct roots.
x = (-(-11) ± √141) /2(1)
= (11 ±√141) /2
Therefore, Solution of the equation x² -11x -5 =0 using quadratic formula is equal to x = (11 ±√141)/ 2 .
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The surface of a cylinder is represented \(A = 2\pi r^{2} + 2\pi rh\), where r is the radius of the cylinder and h is its height. Factor the right side of the formula.
Therefore, the factored form of the right side of the formula is 2πr(r + h).
What is cylinder?A cylinder is a three-dimensional geometric shape that consists of a circular base and a curved surface that connects the base's circumference to a parallel circle at the other end of the shape. It is a type of prism with circular bases. The two circular bases of the cylinder are parallel and congruent, meaning that they have the same size and shape. The curved surface of the cylinder is composed of all the points that are equidistant from both bases. The cylinder is a common shape in real-life objects, such as cans, pipes, and drinking glasses. Its volume and surface area formulas are frequently used in geometry and applied mathematics.
Here,
Starting with the given formula:
A = 2πr² + 2πrh
We can factor out a common factor of 2πr:
A = 2πr(r + h)
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Use the drop-down menus to compare −2.25 and −3.
please i need help!!!
When comparing two numbers, there are a few different things you might be interested in: which is larger, which is smaller, or whether they are equal.
In this case, we can see that both numbers are negative, which means they are to the left of zero on the number line. In general, the further left a number is on the number line, the smaller it is. Therefore, we can say that:
-2.25 > -3
In other words, -2.25 is larger (closer to zero) than -3.
The width of a box is two-thirds of it's length and height is one-third of it's length. If the volume of the box is 48m³, find the are of the base of the box.
Please teach it step by step
Answer:
Step-by-step explanation:
\(V=48,w=\frac{2}{3} l,h=\frac{1}{3} l,l=l\)
\(V=whl\)
\(48=\frac{2}{3} l\times \frac{1}{3} l \times l\)
\(48=\frac{2}{9} l^3\)
\(l^3=216\)
\(l=\sqrt[3]{216}\)
\(l=6\)
So length = 6m, width = 4m, height = 2m
Area of base = length x width = 24\(m^2\)
which of the following is a reason why fixed effect models can't estimate coefficients on variables that do not vary within unit? group of answer choices because no fixed effects exists in such a case. the de-meaned variables will not vary. we can estimate such a variable with fixed effects. the errors will be homoscedastic
The reason why fixed effect models cannot estimate coefficients on variables that do not vary within a unit is because the de-meaned variables will not vary. The correct option is that the de-meaned variables will not vary within the unit.
What are fixed effect models?A fixed-effect model is a statistical approach that is used to estimate the impact of time-invariant variables on an outcome variable. The model evaluates the fixed effects or constant differences between individual entities in a sample by controlling for the unobserved heterogeneity. In general, fixed effects models are commonly used in fields like economics, political science, public health, and social sciences.
In a fixed effect model, a "unit" refers to the subjects or observations that are being studied. A unit could be an individual, a company, a region, or anything else that the researcher is interested in studying. The fixed effect model is used to estimate the constant differences in the outcome variable between individual units by controlling for the unobserved heterogeneity.
What are the limitations of fixed effect models?
One of the limitations of fixed effect models is that they cannot estimate coefficients on variables that do not vary within a unit. This is because the de-meaned variables will not vary within the unit. Additionally, fixed effect models cannot be used to estimate the impact of time-invariant variables on the outcome variable. This is because these models rely on within-unit variation to identify the effects of the independent variables.
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A. 2
B. 1/3
C. 5
D. -3
Answer: 2
Step-by-step explanation:
\(y=\frac{1}{3}x^2 +2x+5 \longrightarrow \frac{dy}{dx}=\frac{2}{3}x+2\)
Setting this equal to 0 yields \(x=-3\).
When \(x=-3\), \(y=2\)
Answer:
A. 2Step-by-step explanation:
Given quadratic equation:
y = (1/3)x² + 2x + 5Its leading coefficient is positive, so it has minimum value at vertex.
The x-coordinate of the vertex is:
x = -b/(2a)Substitute the coefficients:
x = - 2/(2*1/3) = - 3Find the value of y at vertex:
y = (1/3)(-3)² + 2(- 3) + 5 = 3 - 6 + 5 = 2The matching answer choice is A.
María compró 25.665 lapiceros de color azul para repartirlos entre sus 124 amigos y ella ¿Cuántos tapicero le tocó a cada uno?¿ Cuántos sobraron?
Answer:
maria compro 25665 lapiceros de color azul para repartirlos ...brainly.lat › Matemáticas › Secundaria
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Aug 16, 2016 — maria compro 25665 lapiceros de color azul para repartirlos entre sus 124 amigos y ella ¿cuantos lapiceros le toco a cada uno? 1.
1 answer
Si María compró 25665 lapiceros de color azul para ... - Brainlybrainly.lat › Matemáticas › Secundaria
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Nov 29, 2018 — Si María compró 25665 lapiceros de color azul para repartirlos entre sus 124 amigos y ella ¿Cuántos lapiceros le tocó a cada uno?¿Cuántos lapiceros sobraron? 2. Ver respuestas. Inicia sesión para comentar ...
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May 29, 2020 — maría compro 25,665 lapiceros de color azul para repartirlos entre sus 124 amigos y ella ¿cuántos lapiceros le tocó a cada uno?¿cuántos lapiceros sobraron? 2. Ver respuestas. Inicia sesión para comentar ...
Step-by-step explanation:
6. Cindy is 2 years older than Marie. Their ages total 30 old is each person?
Answer:
huh? no they cant both be 30 at the same time is cindy is 2 years older than marie....
Step-by-step explanation:
cameron is a writer for an online consumer advocacy publication and is investigating people who are looking to unload their timeshares. he recently heard a claim that 40% of people who own a timeshare want to unload it and thinks the percentage is too low. cameron tests whether more than 40% of timeshare owners want to unload their timeshare. he randomly selects and surveys 91 timeshare owners and finds that 44 of them want to unload their timeshare. what are the null and alternative hypotheses for this hypothesis test?
The null and alternative hypotheses for this hypothesis test can be formulated as follows:
Null Hypothesis (H₀): The proportion of timeshare owners who want to unload their timeshare is equal to or less than 40%. Symbolically, p ≤ 0.40.
Alternative Hypothesis (H₁): The proportion of timeshare owners who want to unload their timeshare is greater than 40%. Symbolically, p > 0.40.
In this case, the null hypothesis assumes that the claim of 40% or lower is true, while the alternative hypothesis suggests that the actual proportion is higher than 40%. Cameron's intention is to test whether there is evidence to support the alternative hypothesis and show that the percentage is indeed higher than 40%.
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What is the answer to 6=1-c
Answer: c=-5
Step-by-step explanation: first you have to rearrange terms
6=1-c
6=-c+1
second you have subtract 1 on both sides
6=-c+1
6-1= -c+1-1
third and final you have to Simplify
5=-c
c=-5
can someone help with this
Answer:
df= 6g-10
Step-by-step explanation:
\(\frac{df+10}{6}\)= g
df+10= 6g
df= 6g-10
sammy akers is 58.48 cm long. what is his lenght in hectometers
The library has a ratio of books, 5 out of every 7 book is a fiction book. If there are 210
books in the library, how many books are fiction books? **Number only**
Your answer
Answer:
150
Step-by-step explanation:
7 x 30 = 210
5 x 30 = 150
Sorry I couldn't explain more, But i hope this helps!
A wire of length 52 cm is cut into two parts. and each part is bent to form a square. If the sum of the areas of the squares is 97cm², find the lengths of the sides of the two squares.
Is y=5 and x=-1 parallel
Answer:
y=5 and x=-1 are parallel
Step-by-step explanation:
Let's do a quick review on some things:
Parallel lines are the lines that never intersect and perpendicular lines are the lines that intersect at 90°.
Lines with the same slope are parallel and if the slope of one line is the negative reciprocal of the second line, then they are perpendicular.
So, this answers to your question that it's parallel!
Hopefully this helps :)
Define a function in Scheme that
returns True if a matrix (list of lists) is symmetric and returns
False otherwise.
Here's a Scheme function that checks whether a matrix is symmetric or not:
```scheme
(define (is-symmetric-matrix matrix)
(define (get-element matrix i j)
(if (null? matrix)
#f
(if (= i 0)
(if (null? (car matrix))
#f
(if (= j 0)
(car (car matrix))
(get-element (cdr matrix) i (- j 1))))
(get-element (cdr matrix) (- i 1) j))))
(define (is-matrix-symmetric-helper matrix i j)
(if (null? matrix)
#t
(if (equal? (get-element matrix i j)
(get-element matrix j i))
(is-matrix-symmetric-helper matrix i (+ j 1))
#f)))
(if (null? matrix)
#t
(is-matrix-symmetric-helper matrix 0 0)))
```
The function `is-symmetric-matrix` takes a matrix as an input, which is represented as a list of lists. It uses a helper function called `is-matrix-symmetric-helper` to compare each element of the matrix with its corresponding element in the transposed position. The `get-element` function is used to retrieve the element at position `(i, j)` in the matrix.
The `is-matrix-symmetric-helper` function recursively iterates over the matrix, comparing each element with its transposed element. If any pair of corresponding elements is found to be different, it immediately returns `#f` (False), indicating that the matrix is not symmetric. If it reaches the end of the matrix without finding any differences, it returns `#t` (True), indicating that the matrix is symmetric.
Finally, the main `is-symmetric-matrix` function first checks if the matrix is empty. If it is, it immediately returns `#t` since an empty matrix is considered symmetric. Otherwise, it calls the helper function with the initial indices `(0, 0)` and returns its result.
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what is 829.085 rounded to the nearest hundredth
Answer:
829.09
Step-by-step explanation:
Hope this helps :)
The z-score for a particular observation is z = -1.2. This means the observation is
The observation is located to the left of the mean by a distance of 1.2 standard deviations.
How to observe the mean of situation?The z-score of an observation represents the number of standard deviations the observation is away from the mean.
If the z-score for a particular observation is z = -1.2, this means that the observation is 1.2 standard deviations below the mean.
If the mean is represented by μ and the standard deviation by σ, then we can express this observation as:
observation = μ + (z * σ)
observation = μ + (-1.2 * σ)
This means that the observation is located to the left of the mean by a distance of 1.2 standard deviations.
For example, The z-score represents the number of standard deviations an observation is above or below the mean of the distribution.
In this case, a z-score of -1.2 indicates that the observation is 1.2 standard deviations below the mean height of the group.
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Compare the function with the parent function. Without graphing, what are the vertex, axis of symmetry, and transformations of the given function?
y = 8x - 21 - 7
Answer:
The parent function is: y = x
First, here we have two types of transformations, and we could define them in a general way as:
if we start with a function f(x)
Vertical dilation/contraction: A vertical dilation/contraction of scale factor A (A is always positive) is written as:
g(x) = A*f(x)
Vertical translation:
We can write a vertical translation of A units upwards as:
g(x) = f(x) + A
And a vertical translations of A units down can be written as:
g(x) = f(x) - A.
In this case, the transformations are:
first, a dilation of scale factor 8.
Then a translation down of 21 units
then another translation down of 7 units.
y = 8*X - 21 - 7
y = 8*x - 28.
As this is a linear equation, there are no axis of symmetry, we only could have a line of symmetry along the same line y = 8*x - 28
Again, as this function is a linear equation there is no vertex.
In ΔQRS, the measure of ∠S=90°, SQ = 9.7 feet, and RS = 1.3 feet. Find the measure of ∠R to the nearest degree.
Answer: 82
Step-by-step explanation:
Answer:
Step-by-step explanation:
Kathy ell ome pie at a bakery he cut each pie into 6 piece to ell individually he ell 5/6 of a pie each hour How many whole pie did Kathy ell in 36 hour?
Step-by-step explanation:
she sell 5piece out of 6 per hour
for 36 hour, she sell:
5 × 36 = 180piece of pie
one pie is cut to 6 piece
180/6 = 30pie
If the area of a trapezoid below is 234 square units, what is the value of x?
Answer:
the formula for the area of a trapezoid is area =(top + bottom)/2 x height
using the given information we can solve
for x:
234 = (20+32)/2 X
234 = 52/2 X
234 = 26 X
X=234/26
X= 9 units
The median and the 50th percentile rank score will always have the same value.
A) True
B) False
"The median and the 50th percentile rank score will always have the same value". The statement is false, so the correct option is b.
The median and the 50th percentile rank score do not always have the same value. While they are related concepts, they are not identical.
The median is the middle value in a dataset when it is arranged in ascending or descending order. It divides the dataset into two equal halves, where 50% of the data points are below the median and 50% are above it. It is a specific value within the dataset.
On the other hand, the 50th percentile rank score represents the value below which 50% of the data falls. It is a measure of relative position within the dataset. The 50th percentile rank score can correspond to a value that is not necessarily the same as the median.
In cases where the dataset has repeated values, the 50th percentile rank score could refer to a value that lies between two data points, rather than an actual data point.
Therefore, the median and the 50th percentile rank score are not always equal, making the statement false.
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Given a set of 10 letters { I, D, S, A, E, T, C, G, M, W}, answer the following: len ( I, D, S, A, a) With the given letters above, we can construct a binary search tree (based on alphabetical
ordering) and the sequence < C, D, A, G, M, I, W, T, S, E is obtained by post-order traversing this tree. Construct and draw such a tree. NO steps of construction required.
The Binary Search Tree is as follows:
E
/ \
S T
/ \
I W
/ \
A M
/ \
C G
\
D
The set of letters is {I, D, S, A, E, T, C, G, M, W} and len (I, D, S, A, a) = 5
Binary Search Tree:The binary search tree based on the alphabetical ordering of the letters is:
post-order sequence is: C, D, A, G, M, I, W, T, S, E.
To draw the binary search tree for the given post-order sequence, follow the steps below:
Start with the root node E and mark itFor the given post-order sequence C, D, A, G, M, I, W, T, S, E, identify the last element E as the root node. This node will be at the center of the drawing.Place the node containing the element S to the left of E, and mark it. Similarly, place the node containing the element T to the right of E, and mark it.Place the node containing the element I to the left of S, and mark it. Similarly, place the node containing the element W to the right of T, and mark it.Place the node containing the element A to the left of I, and mark it. Similarly, place the node containing the element M to the right of W, and mark it.Place the node containing the element C to the left of A, and mark it. Similarly, place the node containing the element G to the right of M, and mark it.Place the node containing the element D to the right of C, and mark it. Similarly, place the node containing the element E to the right of G, and mark it. This completes the construction of the binary search tree.To know more about Binary Search Tree, visit:
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TOTAL SURFACE AREA!!! WILL GIVE BRAINLIEST
Answer:
158in^2
Step-by-step explanation:
Answer:
158 in^2
Step-by-step explanation:
2C = 2x5x8 = 80
2B = 2x3x8 = 48
2C = 2x3x5 = 30
80+48+30 = 158 in^2
Fill in the blanks to complete the table.
一/7
0.392 X 1
0.392 × 10
0.392 × 102
0.392 × 103
0.392 X 104
Answer:
一/7
0.392 X 1 = 0.392
0.392 × 10 = 3.92
0.392 × 102 = 39.2
0.392 × 103 = 392
0.392 X 104 = 3,920
Help please!!! ASAPPPP
It should be noted that z^4 will be -32 in rectangular form.
How to calculate the valueBased on the information, z = r(cos θ + i sin θ), and provided positive integer n, then it is implied that:
z^n = r^n (cos nθ + i sin nθ)
In this instance, we need to solve for z^4 in rectangular form when z = -2 - 2i. Firstly, we must calculate |z| and arg(z):
|z| = √((-2)^2 + (-2)^2) = 2√2
arg(z) = arctan(-2/-2) = π/4
Leveraging De Moivre's theorem, we can effectively deduce the value of z^4 as:
z^4 = (2√2)^4 (cos (4π/4) + i sin (4π/4))
= 32 (cos π + i sin π)
= -32
Concludedly, z^4 resolved in rectangular form is -32.
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The diameter of a circular glass lens is 8. 7 centimeters. Paige uses the edge of the lens to trace a circle on a sheet of paper. What is the estimated circumference of the circle?.
The circumference of the circle will be 27.34 cm.
Given Diameter of the glass lens is 8.7 cm.
What is the circumference of the circle?Given Diameter of the glass lens D = 8.7 cm
The circumference of circle is given by = πD
where , π = constant
D= Diameter
putting the value of D in the above formula of circumference
The circumference of circle is given by = πD
The circumference of circle is given by = π \(\times 8.7\)
The circumference of circle is given by = 27.37 cm (π=3.14)
Hence the circumference of the circle will be 27.34 cm.
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Please helppppppp
Thank you
Answer:
y=x+2
Step-by-step explanation:
The y-int is 2
The slope is x because you go up one and one to the right