The sum of two polynomials is not always polynomial.
For example :
\(\begin{gathered} \text{ Let, f(x)=x}^2+4x+3 \\ g(x)=x+7 \\ \text{ Sum of two polynomials} \\ f(x)+g(x)=x^2+4x+3+x+7 \\ f(x)+g(x)=x^2+5x+10 \end{gathered}\)In this sum of polynomial, the resultant is also a polynomial.
Example 2:
\(\begin{gathered} \text{Let, f(x)=x}^2-7x+8 \\ g(x)=7x-x^2 \\ Add\text{ the two polynomial: f(x) + g(x)} \\ f(x)+g(x)=x^2-7x+8+7x-x^2 \\ f(x)+g(x)=8 \\ \text{ Sum of polynomial is a constant} \end{gathered}\)So, the sum of polynomial is sometime polynomial or constant.
Zora Omar had a balance of $1,189.17 in her checking account. She wrote checks for $62.41, $224.14,
$12.92, and $357.16. Her deposits were $197.34 and $879.13. What was Zora's new bank balance?
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Question 1 (Multiple Choice Worth 2 points)
(Effects of Changes in Data MC)
The heights of 11 plants, in inches, are listed.
14, 15, 16, 16, 17, 17, 17, 18, 18, 19, 22
If another plant with a height of 14 inches is added to the data, how would the range be impacted?
The range of the data is the difference between the highest and lowest values, which is 8 inches. Adding another plant with a height of 14 inches would not change the range, so the range would remain 8 inches.
What is data?Data is a collection of facts, figures, or information that can be processed and used to draw conclusions or make decisions. It can be stored in a variety of formats, including numerical, text, images, audio, and video. Data can be collected from a variety of sources, such as surveys, observations, experiments, or transactions. It can be used to inform decisions in areas such as business, health care, education, and research. Data can be analyzed to gain insight, develop strategies, identify trends, and make predictions. Data is a valuable resource and is increasingly important in today's digital age.
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i dont know answer please im in summer school
The centre and the radius of the circle is (-7, -1) and 6 units
Equation of a circleThe equation of the circle in standard from is expressed as:
x^2+y^2+2gx+2fy+C = 0
where;
(-g, -f) is the centre
r= √g²+f²-C
Given the equation below
x^2+y^2+14x+2y+14 = 0
2g = 14
g = 7
2f = 2
f =1
Hence the centre of the circle is (-7, -1)
Radius = √49+1-14
Radius = √36 = 6 units
Hence the centre and the radius of the circle is (-7, -1) and 6 units
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11. The diagram below shows the radius of the circular opening of a bowl.
Which of the following is closest to the circumference of the opening in centimeters?
A. 39.25 cm
B. 490.625 cm
C. 25 cm
D. 78.5 cm
Answer:
circumference=2πr=2×π×12.5=78.5cmis your answer
Polygons in the Plane I Move to Bottom Parallelogram Rectangle Square Trapezoid Identify the shape when the points are plotted in the coordinate plane. 1. ( 5, 5 ), ( 9, 5 ), ( 9, 1 ), ( 5, 1 ) when graphed is a 2. ( 2, 4 ), ( 3, 7 ), ( 7, 7 ), ( 6, 4 ) when graphed is a 3. ( 2, 7 ), ( 8, 7 ), ( 8, 3 ), ( 2, 3 ) when graphed is a 4. ( 4, 7 ), ( 7, 7 ), ( 10, 4 ), ( 1, 4 ) when graphed is a
Answer:
It is a Number between 1 - 100
Step-by-step explanation:
It helps if you pay attention in class
What is the value of y?
3(13) + 2y = 9
+
==
Step-by-step explanation:
3(13/2) - 2y = 9
39/2 - 2y = 9
39 - 4y/2 = 9
39 - 4y = 9 × 2
39 - 4y = 18
-4y = 18 - 39
-4y = -21
y = -21/-4
y = 21/4
Option B is correct
Select the equation that represents the question. 0.5% of what number is 12?
What is the value of the expression shown below 14 1/3 - 6 5/8
Answer:
the value of the expression 14 1/3 - 6 5/8 is 185/24.
Step-by-step explanation:
To solve this problem, you can convert both mixed numbers to improper fractions, then subtract the fractions and simplify the result. Here are the steps:
1. Convert 14 1/3 to an improper fraction:
14 1/3 = (14 x 3 + 1) / 3 = 43 / 3
2. Convert 6 5/8 to an improper fraction:
6 5/8 = (6 x 8 + 5) / 8 = 53 / 8
3. Subtract the fractions:
43 / 3 - 53 / 8 = (43 x 8 - 53 x 3) / (3 x 8) = (344 - 159) / 24 = 185 / 24
So the value of the expression 14 1/3 - 6 5/8 is 185/24.
Step-by-step explanation:
Can someone please help me with this??
Answer:
m angle 2 = 60° (vertically opposite)
m angle 3 = 120° (linear pair)
m angle 1 = 120° (linear pair)
A rectangular garden is to be constructed using a rock wall as one side of the garden and wire fencing for the other three sides. Given that there are 30 meters of fencing available, determine the dimensions that would create the garden of maximum area. What is the maximum possible area?
The dimensions of the garden that create the maximum area are 5 meters by 15 meters, and the maximum possible area is 75 square meters
What is measurement?
Measurement is the process of assigning numerical values to physical quantities, such as length, mass, time, temperature, and volume, in order to describe and quantify the properties of objects and phenomena.
Let's assume that the rock wall is the width of the garden and the wire fencing is used for the length and the other two sides. Let's denote the length of the garden as L and the width as W.
Since we have 30 meters of fencing available, the total length of wire fencing used is:
L + 2W = 30 - W
Simplifying this equation, we get:
L = 30 - 3W
The area of the garden is:
A = LW
Substituting the expression for L from the previous equation, we get:
A = W(30 - 3W)
Expanding the expression, we get:
A = 30W - 3W²
To find the maximum area, we need to take the derivative of A with respect to W and set it equal to zero:
dA/dW = 30 - 6W = 0
Solving for W, we get:
W = 5
Substituting this value back into the expression for L, we get:
L = 15
Therefore, the dimensions of the garden that create the maximum area are 5 meters by 15 meters, and the maximum possible area is:
A = 5(15) = 75 square meters
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Refer to the figure below.
BED and CEA are
angles.
A
C
E
D
B
Answer:
both two
Step-by-step explanation:
because it is in alphabetical order
The equation of the line is
Answer:
y = -x +3
Step-by-step explanation:
You want the slope-intercept equation of the line with the same intercept as -3y = -9 +3x, and the same slope as -2x -2y = -8.
Slope-intercept formThe slope-intercept form of the equation of a line is ...
y = mx +b . . . . . where m is the slope, and b is the y-intercept
For the given equations, we can put them in this form to find the desired parameters.
-3y = -9 +3x
y = -x +3 . . . . . . . . . . divide both sides by -3
We observe that the y-intercept is +3, which we will need for our answer.
The slope-intercept form of the second equation is ...
-2x -2y = -8
x + y = 4 . . . . . . . . . . divide by -2
y = -x +4 . . . . . . . . . . subtract x
We observe that the slope (coefficient of x) is -1, which we will need for our answer.
Desired equationWe want the equation of the line with slope -1 and y-intercept 3. It is ...
y = -x +3 . . . . . . . . . . same as the equation of the first line
__
Additional comment
The slope-intercept equation (green) is plotted using dots, so that you can see it is coincident with the line described by the first equation (red). Parallel lines have the same slope, so our desired line must be parallel to the blue line. (It is.)
Packages Pairs per Package Price
A 5 $4.25
B 8 $6.40
C 9 $9.00
D 10 $7.75
Which package is the best deal?
Group of answer choices
Package B
Package C
Package D
Package A
Answer:
package D
If you are satisfied plz make me genius.
Which describes the correlation shown in the scatterplot?
A: there is a positive correlation in the data set
B: there is a negative correlation in the data set
C: there is no correlation in the data set
D: more points are needed to determine the correlation
Answer:
a
Step-by-step explanation:
I need help with this
The statement that is equivalent to |6x-3|=3 is: 6x-3=3 or 6x-3=-3
For the equation to be true, two scenarios need to be considered:
When the expression 6x-3 is positive and equals 3:
6x-3 = 3
When the expression 6x-3 is negative and equals -3:
6x-3 = -3
By solving these two equations, we can find the equivalent statement:
Solving 6x-3 = 3:
Adding 3 to both sides gives us:
6x = 6
Dividing both sides by 6:
x = 1
Solving 6x-3 = -3:
Adding 3 to both sides gives us:
6x = 0
Dividing both sides by 6:
x = 0
Therefore, the equivalent statement to |6x-3|=3 is:
6x-3=3 or 6x-3=-3, which can be further simplified to:
6x-3=3 or 6x-3=-3
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What is the equation of the line in slope-intercept form?
-2
=-=x+4
v=-15)+4
5
2
V=--x-4
5
2
V=--x+4
The equation of the line in slope-intercept form is y = 3x + 4.
We can use the combination formula to determine how many different packages can be created from a set of 24 crayons with 36 different colours.
The formula for the mixture is provided by:
n C r equals n!/r! (n-r)!
where r is the number of items we want to choose, n is the total number of items, and! stands for the factorial of a number, which is the sum of all positive integers up to that number.
In this instance, we are trying to determine how many various methods there are to choose 24 crayons from a set of 36 colours, regardless of the sequence in which they are chosen. Consequently, we can apply the following combination formula:
36 C 24 = 36! / (24! * 12!)
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How many different ways can 5 students line up in a cafteria
write the following mathematical expressions in simplest form 3.5 m + 2 (0.6 M - 5) + 4
Answer:hamburger
Hamburger
Step-by-step explanation:hamburger
Hamburger
Find the volume of the prism.
Answer:
Its A.
Step-by-step explanation:
remember its rectangle 1 + rectange 2.Once i did that i have seen the total volume must be greater then answer B
so it must be a
When a common denominator is found for the fractions 2/5 and 5/6, what will the equivalent fractions be
The equivalent fractions will be 12/30 and 25/30
Given the fraction 2/5 and 5/6
Their respective denominator are 5 and 6To make them the same, we will multiply the value of 5 by 6 and the value of 6 by 5
For the deniminator of 5, the equivalent denominator is (5*6) = 30
For the denominator of 6, the equivalent denominator is (6*5) = 30
Equivalent fraction for 2/5 = 2/5 * 6/6
Equivalent fraction of 2/5 = 12/30Equivalent fraction for 5/6 = 5/6 * 5/5
Equivalent fraction of 2/5 = 25/30Hence the equivalent fractions will be 12/30 and 25/30
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A clothing store offers customers a holiday sale of 20% off the price of x items. A customer then has an additional 15% off coupon that can be used when checking out. Which of the following functions represents the final price P(x) of the items purchased?
P(x) = 0.68x
P(x) = 0.35x
P(x) = 0.05x
P(x) = 0.03x
Finding the equivalent multiplier, it is found that the function for the final price is:
P(x) = 0.68x.
-------------------------------------------
There is a holiday sale of 20% off the price of x, thus 0.8x is paid, as 1 - 0.2 = 0.8.Additionally, there is a coupon of 15% off, thus, 0.85 of 0.8x is paid.The equivalent multiplier is:\(0.85(0.8) = 0.68\)
Thus, the function for the final price is:\(P(x) = 0.68x\)
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Answer:
0.68x
Step-by-step explanation:
It costs $0.50 to download an individual song and $4 to download an album. Jada has $15 to spend downloading music. Which equation reflects the number of individual songs s and the number of albums a Jada can download.
0.5s + 4a = 15
50s+4a=15
15a+15s=15
s+a=15
Answer:
0.5s + 4a =15
Step-by-step explanation:
just insert the number given
The linear equation that reflects the number of individual songs s and the number of albums a Jada can download is (0.5s + 4a = 15)
Given :
It costs $0.50 to download an individual song and $4 to download an album.Jada has $15 to spend downloading music.The following steps can be used to determine the linear equation that reflects the number of individual songs s and the number of albums a Jada can download:
Step 1 - Let the total number of the individual song be 's'.
Step 2 - Let the total number of albums be 's'.
Step 3 - Total cost to download all the individual songs is 0.5s.
Step 4 - Total cost to download all the albums is 4a.
Step 5 - The equation that represents the situation "Jada has $15 to spend downloading music" is:
0.5s + 4a = 14
Therefore, the correct option is A).
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Given A = {10, 11, 12, 13}, B = {10, 12, 14, 16}, and C = {7, 8, 9, 10, 11}, find
A ∪ B
A ∩ B
A ∪ C
A ∩ C
B ∪ C
B ∩ C
The (A ∪ B) ∩ (A ∪ C) ∩ (B ∪ C) ∩ (B ∩ C) ∩ C is an empty set {}.To find the sets A ∪ B, A ∩ B, A ∪ C, A ∩ C, B ∪ C, and B ∩ C, we can perform the following operations:
A ∪ B: The union of sets A and B includes all unique elements from both sets, resulting in {10, 11, 12, 13, 14, 16}.
A ∩ B: The intersection of sets A and B includes only the common elements between the two sets, which are {10, 12}.
A ∪ C: The union of sets A and C combines all unique elements, resulting in {7, 8, 9, 10, 11, 12, 13}.
A ∩ C: The intersection of sets A and C includes only the common elements, which is {10, 11}.
B ∪ C: The union of sets B and C combines all unique elements, resulting in {7, 8, 9, 10, 11, 12, 14, 16}.
B ∩ C: The intersection of sets B and C includes only the common elements, which is an empty set {} since there are no common elements.
Finally, performing the remaining operations:
(A ∪ B) ∩ (A ∪ C): This is the intersection of the union of sets A and B with the union of sets A and C. The result is {10, 11, 12, 13} since these elements are common to both unions.
(B ∪ C) ∩ (B ∩ C): This is the intersection of the union of sets B and C with the intersection of sets B and C. Since the intersection of B and C is an empty set {}, the result is also an empty set {}.
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Write the difference quotient f(x)= 6x-7
Answer: f=6x-7/x
Step-by-step explanation:
Let f(x) = v= -6 and g(x) = 22 +5.(fog)(x) =m(gof)(x) =
Ok, so
Given:
\(\begin{gathered} f(x)=\sqrt[]{x}-6 \\ g(x)=x^2+5 \end{gathered}\)We want to find (fog)(x) and (gof)(x).
First, let's find (fog)(x).
This is:
\((fog)(x)=f(g(x))=f(x^2+5)\)So we're going to evaluate f in (x2 + 5).
\(f(x^2+5)=\sqrt[]{x^2+5}-6\)Now, let's find (gof)(x). This is:
\((gof)(x)=g(f(x))=g(\sqrt[]{x}-6)_{}\)So we're going to evaluate g in the function f.
\(g(\sqrt[]{x}-6)=(\sqrt[]{x}-6)^2+5\)let's see who can solve this. pleseeee
The correlation coefficient between X and Y is Corr(X, Y) = 0.
To calculate the marginal distribution of X and Y, we need to integrate the joint probability density function (PDF) over the appropriate ranges.
a. Marginal distribution of X:
To find the marginal distribution of X, we integrate the joint PDF over the range of Y:
∫[0, 1] J(x, y) dy
Since the joint PDF is defined as J(x, y) = 1 for 0 ≤ y ≤ x ≤ 1 and J(x, y) = 0 otherwise, the integral becomes:
∫[0, x] 1 dy = x, for 0 ≤ x ≤ 1
So, the marginal distribution of X is simply X(x) = x for 0 ≤ x ≤ 1.
b. Expectation of X:
The expectation (mean) of X can be calculated as the integral of x times the marginal PDF of X:
\(E(X) = ∫[0, 1] x * X(x) dx = ∫[0, 1] x^2 dx = [x^3/3] from 0 to 1 = 1/3\)
Therefore, the expectation of X is E(X) = 1/3.
c. Variance of X:
The variance of X can be calculated using the formula:
\(Var(X) = E(X^2) - (E(X))^2E(X^2) = ∫[0, 1] x^2 * X(x) dx = ∫[0, 1] x^3 dx = [x^4/4] from 0 to 1 = 1/4Var(X) = 1/4 - (1/3)^2 = 1/4 - 1/9 = 5/36\)
Therefore, the variance of X is Var(X) = 5/36.
d. Covariance of X and Y:
The covariance of X and Y can be calculated as:
Cov(X, Y) = E(XY) - E(X)E(Y)
Since the joint PDF J(x, y) = 1 for 0 ≤ y ≤ x ≤ 1, the integral becomes:
\(E(XY) = ∫[0, 1] ∫[0, x] xy dy dx = ∫[0, 1] [(x^2)/2] dx = [(x^3)/6] from 0 to 1 = 1/6\)
\(E(X) = 1/3 (from part b)E(Y) = ∫[0, 1] ∫[0, x] y J(x, y) dy dx = ∫[0, 1] [(x^2)/2] dx = [(x^3)/6] from 0 to 1 = 1/6\)
Cov(X, Y) = 1/6 - (1/3)(1/6) = 0
Therefore, the covariance of X and Y is Cov(X, Y) = 0.
e. Correlation coefficient between X and Y:
The correlation coefficient can be calculated using the formula:
Corr(X, Y) = Cov(X, Y) / √(Var(X) * Var(Y))
Since the covariance of X and Y is 0, the correlation coefficient will also be 0.
Therefore, the correlation coefficient between X and Y is Corr(X, Y) = 0.
f. Conclusion based on the correlation coefficient:
The correlation coefficient of 0 indicates that there is no linear relationship between X and Y. In this case, the fraction of male runners (X) and the
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fv=100000, pmt=4000, i/y=5%, n=10, what is pv?
The Present value is $6,139.132.
We have,
FV=100000, pmt = 4000, I =5%, n=10
So, The present value formula is
PV=FV / (1 + \(i)^n\)
So, PV = 100, 000 / (1+ 5/100\()^{10\\\)
PV = 100,000 / (1+ 0.05\()^{10\\\)
PV = 100, 000/ (1.05\()^{10\\\)
PV = 100,000 / 1.6288946
PV= $6,139.132
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What is the range of the function? f(x)=3^x−1−2
The range of the equation f(x) = 3ˣ ⁻ ¹ - 2 is y > -2
Calculating the range of the equation?From the question, we have the following parameters that can be used in our computation:
f(x) = 3ˣ ⁻ ¹ - 2
The above equation is an exponential function
The rule of an exponential function is that
The domain is the set of all real numbersHowever, the range is always greater than the constant termIn this case, it is -2
So, the range is y > -2
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-1/3x-9>1.5-4/5x
solve the inequality
Answer: x belongs to (0, 0.4444)
Step-by-step explanation:
Find the diameter and circumference of the circle below : r=8cm.
Answer:
Diameter= 16 cm circumference is 50.24
Step-by-step explanation:
The diameter and the circumference of the circle should be 16 cm and 50.24 respectively.
Calculation of the diameter and the circumference of the circle:Since the radius is 8 cm
So here the diameter be
= 2(radius)
= 2 (8)
= 16 cm
Now the circumference of the circle is
\(= 2\pi r\\\\= 2 \times 3.14 \times 8\)
= 50.24
hence, The diameter and the circumference of the circle should be 16 cm and 50.24 respectively.
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