Answer:
Step-by-step explanation:
To find the volume of the solid formed by rotating the region about the x-axis, we can use the method of disks.
At a given value of x, the distance between the curve y = 9 + x^2 and the x-axis is 9 + x^2. Thus, the area of the disk at x is A(x) = π(9 + x^2)^2. The limits of integration are 0 and 1, since the region is bounded by the lines x = 0 and x = 1.
Therefore, the volume of the solid is given by:
V = ∫(0 to 1) π(9 + x^2)^2 dx
Using integration techniques (such as substitution), we can evaluate this integral to get:
V = (112π/5) cubic units (rounded to 3 decimal places)
Therefore, the volume of the solid formed by rotating the region about the x-axis is (112π/5) cubic units
how do you edit a transaction? there are two options
The ability to edit a transaction depends on the specific platform or software that you are using to manage your transactions.
How do you edit a transaction?However, in general, there are two options when it comes to editing a transaction:
Edit the existing transaction: This option allows you to modify the details of a transaction that has already been recorded in your system. You may be able to edit the date, amount, category, or any other relevant details of the transaction. This is typically done within the transaction history or ledger of the platform or software you are using.
Void and re-enter the transaction: This option involves voiding or deleting the original transaction and then entering a new transaction with the corrected details. This may be necessary if the original transaction was recorded with incorrect information that cannot be easily edited, or if you want to keep a clear record of the changes made to the transaction.
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|x+8|=x+8 what is x?
ANSWER PLEASE
Answer:
x=8
Step-by-step explanation:
|x+8|=x+8
x+8=x+8
x^2+8=8
x^2=16
√x^2=√16
x=8
Please I need help fast
The value of x for the intersecting chords is derived to be 4 and the segment AV is equal to 8.
What is the properties of intersecting chordsThe property of intersecting chords states that in a circle, if two chords intersect, the product of the lengths of the segments of one chord is equal to the product of the lengths of the segments of the other chord.
UA × AS = VA × AT
10 × 12 = 2x(3x + 3)
120 = 6x² + 6x
dividing through by 6 and equating to 0, we have a quadratic equation;
x² + x - 20 = 0
by factorization;
(x - 4)(x + 5) = 0
so;
x = 4 or x = -5
using x = 4, the value of the segment AV is derived as;
AV = 2(4) = 8.
Therefore, the value of x for the intersecting chords is derived to be 4 and the segment AV is equal to 8.
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A wheel of radius 21 ft. is rotating 13 RPM counterclockwise. Considering a point on the rim of the rotating wheel, what is the angular speed in rad/sec and the linear speed v in ft/sec?
Angular speed is approximately 1.36 rad/sec and the linear speed of a point on the rim of the rotating wheel is approximately 28.56 ft/sec.
How to calculate the angular speed and linear speed of a point on the rim of the rotating wheel?
The angular speed of the rotating wheel in rad/sec is given by:
angular speed = 2π × RPM / 60
where RPM is the revolutions per minute. we get:
angular speed = 2π × 13 / 60
≈ 1.36 rad/sec
The linear speed of a point on the rim of the rotating wheel in ft/sec is given by:
linear speed = radius × angular speed
where radius is the radius of the wheel. we get:
linear speed = 21 ft × 1.36 rad/sec
≈ 28.56 ft/sec
Therefore, the angular speed of the rotating wheel is approximately 1.36 rad/sec and the linear speed of a point on the rim of the rotating wheel is approximately 28.56 ft/sec.
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Need help which graph is it ?
Answer:
you are correct keep going
transformation
rigid motion
Select the correct answer. A number is selected at random from the set {2,4,6,8,10}. Which event, by definition, covers the entire sample space of this experiment?
Answer:
Step-by-step explanation:
the answer is c because all those numbers are even and less than 12 its not a because yes all the numbers are greater than two but that answer must include 3,4,5,6,7 and on and on is not d because some numbers are prime and it's not d because the only numbers less than three are 2,1 so that's why the answer is c
what is the sum of the first five terms of the arithmetic sequence 4,10,16
Answer:
80
Step-by-step explanation:
In this sequence, every number increases by 6 units:
4; 10; 16; 22; 28 (first five terms)
The sum:
4 + 10 + 16 + 22 + 28 = 80
Find thenonpermissible replacment for x in this expression b^2/-7b+7
Sophia's fig tree is 38 inches shorter than her lemon tree. The lemon tree is 74 inches tall. Solve the addition equation to find the height of her fig tree.
To find the height of Sophia's fig tree, we subtracted 38 from 74 and got the result that the height of her fig tree is 36 inches.
In this problem, we are given information about the height of Sophia's lemon tree and the relationship between the heights of her lemon and fig trees. We are asked to find the height of the fig tree.
First, we use "f" to represent the height of the fig tree. We are told that the fig tree is 38 inches shorter than the lemon tree, which we know is 74 inches tall. To find the height of the fig tree, we can subtract 38 from 74:
We know from the problem that Sophia's fig tree is 38 inches shorter than her lemon tree, which is 74 inches tall. So we can write the following equation:
f = 74 - 38
Simplifying this equation, we get:
f = 36
Therefore, the height of Sophia's fig tree is 36 inches.
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Two small local dog shows record the weight of each dog (to the nearest pound) entering the competition. The data are presented in the box plots.
Which is a valid inference based on the box plots shown? Choose all that apply.
A
The weights in Dog Show 1 are less variable than the weights
in Dog Show 2.
B
The range of weights in Dog Show 1 is greater than the range of weights
in Dog Show 2.
C
The interquartile range for Dog Show 1 is less than the interquartile range
for Dog Show 2.
D
Fewer dogs are entered in Dog Show 1 than in Dog Show 2.
E
The median weight in Dog Show 1 is lower than the median weight in Dog Show 2.
Option (A) true. The box plot for Dog Show 1 shows a smaller interquartile range and a smaller spread of data compared to Dog Show 2
What is coordinate graph ?A coordinate graph is a graph that is split up into four quadrants with an x-axis and y-axis. The x-axis runs horizontally, or side to side, and the y-axis runs vertically, or from top to bottom.
A. The box plot for Dog Show 1 has a shorter box, which indicates a smaller interquartile range and less variability in the weights compared to Dog Show 2.
B. This inference is not valid since the range of weights in Dog Show 2 (55-100 lbs) is greater than the range in Dog Show 1 (65-85 lbs).
C. The interquartile range (IQR) for Dog Show 1 is smaller than for Dog Show 2, indicating that the middle 50% of the weights in Dog Show 1 are closer together than the middle 50% of the weights in Dog Show 2.
D. This statement is false
E. This inference is not valid since the median weight in Dog Show 1 (75 lbs) is higher than the median weight in Dog Show 2 (70 lbs).
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Select the correct answer.
Mary owns a wholesale flower company that has grown steadily over the past three years. Writing employee paychecks by hand every two weeks
has become a challenge, and Mary's accountant has advised her to switch to direct deposit. Which functionality of her accounting software will she
need to use to do that?
O A. data mining
OB.
OC.
O D.
electronic funds transfer
customizable reports
general ledger entries
Answer:
electronic funds transfer
You deposit $300 into a savings account that pays 5% annual interest. If the interest compounds continuously, how long will it take for the account to reach $3000? Show the formula you used and the work.
The amount of $300 will be $3000 in 70 years with the rate of 5 %
Compound interest is the addition of interest to the principal sum of a loan or deposit or interest on interest plus interest.
we have a principal amount is $300 and an interest rate is 5% annually, the amount after compounding is $3000 we have to calculate the time say n.
We know that the formula for the compound interest is-
[tex]A=P(1- \frac{r}{100})^n[/tex]
we have A= $3000
P= $300
r=5% = 0.05
then according to the formula
[tex]3000=300(1+0.05)^n\\\\30=1.05^n\\n=70 years[/tex]
Hence the amount will be 3000 in 70 years.
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About 4.1 x 10^7 people live in California. About 6.3 x 10^5 people live in Vermont. About how many more people live in California than in Vermont?
A) 6.5 x 10^6
B) 6.5 x 10^7
C) 4.037 X 10^7
D) 4.037 x 10^5
Answer:
The answer is option C) 4.037 x 10^7.
Step-by-step explanation:
To find out how many more people live in California than in Vermont, we need to subtract the population of Vermont from the population of California.
The population of California is 4.1 x 10^7.
The population of Vermont is 6.3 x 10^5.
Therefore, the difference in population between California and Vermont is:
4.1 x 10^7 - 6.3 x 10^5
= 4.037 x 10^7
So, about 4.037 x 10^7 more people live in California than in Vermont.
The answer is option C) 4.037 x 10^7.
ASAP I just.. want this to be done. ASAP
FREE BRAINLIEST if helped me.
Part 4: By the theorem of inscribed angle in the circle: arc RP = 136°.
Part 5: From the central angle theorem: m∠LNM = 54°.
Explain about the inscribed angles:Part 4:
m∠QRP = 68°
By the theorem of inscribed angle in the circle:
Two chords with a shared termination point on the circle make up an inscribed angle in a circle. The vertex of a angle is this common terminal point.
arc RP = 2 * m∠QRP
arc RP = 2 * 68°
arc RP = 136°
Part 5:
From the central angle theorem:
An inscribed angle's measurement is equal to half of an intercepted arc's measurement.
As a result, any two inscribed angles in a circle with identical intercepted arcs remain congruent.
m∠LNM = 1/2 m∠LNP
m∠LNM = 1/2 * 108°
m∠LNM = 54°
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Determine the measure of
The measure of a length, you would typically need to know the two endpoints of the length and use the distance formula to calculate the distance between them.
[tex]d = √((x₂ - x₁)² + (y₂ - y₁)²)[/tex]
the formula can also be extended to three-dimensional space by adding an additional term for the z-coordinate, as follows:
[tex]d = √((x₂ - x₁)² + (y₂ - y₁)² + (z₂ - z₁)²)[/tex]
The measure of an angle, you would typically need to know the two rays or line segments that form the angle and use trigonometry or geometry formulas to calculate the angle measure.
[tex]sin(A)/a = sin(B)/b = sin(C)/c[/tex]
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Find the missing information for both parts below.
The missing information for both parts below include the following:
mVYW = 162 degrees.
m∠XZY = 140 degrees.
What is the theorem of intersecting secants?In Mathematics and Geometry, the theorem of intersecting secants states that when two (2) lines intersect outside a circle, the measure of the angle formed by these lines is equal to one-half (½) of the difference of the two (2) arcs it intercepts.
Additionally, the inscribed angle of a circle is equal to half of the central angle of a circle;
mVXW = 1/2(mVYW)
81 = 1/2(mVYW)
mVYW = 162 degrees.
By applying the theorem of intersecting secants, the value of m∠XZY can be calculated as follows:
m∠XZY = 1/2(m∠VW - m∠YX)
m∠XZY = 1/2(106 - 36)
m∠XZY = 140 degrees.
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HELP PLS THIS IS DUE TOMORROW PLSS HELPPP
Are ARST and ANSP similar? Use pencil and paper. Find the
measure of the angles in each triangle.
Which two angles must be congruent? What type of angles are they? (1 point)
The measure of the angIes in triangIe ARST are: 28 degrees, 28 degrees, 124 degrees, 124 degrees. The measure of the angIes in triangIe ANSP are: 28 degrees, 51 degrees, 101 degrees, 129 degrees.
What is angIe?An angIe is a geοmetric figure fοrmed by twο rays οr Iines with a cοmmοn endpοint, caIIed the vertex. AngIes are typicaIIy measured in degrees οr radians and are used tο describe the amοunt οf turn οr rοtatiοn between twο intersecting Iines οr οbjects. AngIes can be acute (Iess than 90 degrees), right (exactIy 90 degrees), οbtuse (greater than 90 degrees), straight (exactIy 180 degrees), οr refIex (greater than 180 degrees).
Here,
To find the measure of the angIes in each triangIe, we need to soIve for the vaIue of x in both equations.
For the first equation, we can simpIify it as foIIows:
x + 14 = 2x
Subtracting x from both sides, we get:
14 = x
For the second equation, we can simpIify it as foIIows:
3x + 9 = 2x + 23
Subtracting 2x and 9 from both sides, we get:
x = 14
Now that we know x = 14, we can find the measure of the angIes in each triangIe.
In triangIe ARST, we have:
angIe A = x + 14
= 14 + 14
= 28 degrees
angIe R = 2x
= 2(14)
= 28 degrees
angIe S = 180 - (angIe A + angIe R)
= 180 - (28 + 28)
= 124 degrees
angIe T = 180 - (angIe A + angIe R)
= 180 - (28 + 28)
= 124 degrees
In triangIe ANSP, we have:
angIe A = x + 14
= 14 + 14
= 28 degrees
angIe N = 3x + 9
= 3(14) + 9
= 51 degrees
angIe S = 180 - (angIe A + angIe N)
= 180 - (28 + 51)
= 101 degrees
angIe P = 180 - (angIe N)
= 180 - 51 = 129 degrees
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Sweetness is an example of empirical intuition, according to Kant.
True or False
Answer:
False. Kant's notion of empirical intuition refers to the immediate awareness of particular objects or experiences, which he believed was necessary for gaining knowledge of the world. However, sweetness is not an example of empirical intuition as it is a subjective experience that cannot be directly observed or measured.
It is false that sweetness is an example of empirical intuition, according to Kant.
What is empirical intuition?Immanuel Kant introduced the concept of empirical intuition, which refers to the mind's ability to organise and structure sensory experience. It enables us to perceive objects and events in our surroundings and form opinions about them. However, it has nothing to do with sweetness.
Kant defines empirical intuition as sensory information received through our senses, such as colours, shapes, and sounds.
Empirical intuition, according to Kant, refers to the a priori knowledge we have about space and time that shapes our experience of the world.
It excludes abstract concepts like sweetness, which are derived from our perception and interpretation of sensory data.
Thus, the given statement "Sweetness is an example of empirical intuition, according to Kant" is false.
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Find the value of x if 30 − x = 4x
Answer:
[tex]30 - x = 4x \\ 30 = 4x + x \\ 30 = 5x \\ x = \frac{30}{5} \\ x = 6[/tex]
please and thank you
In the 1st part the correct option is B and in 2nd part A.
What is an equation?A mathematical statement known as an equation consists of two algebraic expressions separated by equal signs (=) on either side.
It demonstrates the equality of the relationship between the printed statements on the left and right.
Left side equals right side in all formulas.
To find the values of unknowable variables, which stand in for unknowable quantities, you can solve equations.
A statement is not an equation if it lacks the equals sign.
When two expressions have the same value, a mathematical statement known as an equation will include the symbol "equal to" between them.
Hence, In the 1st part the correct option is B and in 2nd part A.
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What was the cost for 100 shares at the 52-Week Low?
A. $5228
B. $6433
C. $6523
D. $6720
The cost for 100 shares at the 52-Week Low is $5228. Therefore the correct option is option A.
We need to look at the table or chart that shows the data on stock prices at the 52-week low in order to respond to this question. The question alone does not provide the response.
After gaining access to the table, we may calculate the price for 100 shares by multiplying the price for 1 share at the 52-week low by 100.
Let's use $52.28 as an example of the price per share at the 52-week low. The price for 100 shares would be as follows:
$52.28 x 100 = $5,228
Thus, $5228 is the correct response (A).
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Solve: x2 + 5x − 9 = 0
Evaluate the expression
m^2+5m-2 when m=-6
Answer: 4
Step-by-step explanation:
Lets first start with the expression:
[tex]m^2+5m-2[/tex]
and m = -6
this means by using substition and plugging in the value -6 for all the m's in the expression, you'll be able to evaluate it.
in other words the expression will now like this when doing substition:
[tex](-6)^2+5(-6)-2[/tex]
36 - 30 - 2
= 4
can you solve this question?
f'(x)=?
[tex]f'(x) = 21cos(3x)/(1+49sin²(3x)).[/tex] and the outcome is f'(x) = 21cos(3x)/(1+49sin2(3x)). This is the derivative of the function f(x) with respect to x.
We apply the chain rule and the formula for the derivative of the inverse tangent function to determine the derivative of f(x). We first determine that the function contained within the inverse tangent is 7sin (3x). Thus, by differentiating f(x) with respect to x using the derivative of the inverse tangent function, we are able to get an equation in terms of cos(3x) and sin (3x). Trigonometric identities are used to simplify this formula, and the result is[tex]f'(x) = 21cos(3x)/(1+49sin2(3x))[/tex]. This is the derivative of the function f(x) with respect to x.
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please help asap. the question/problem is in the question
To draw a scatter plot we will determine the plot's x and y axis. We can specify the scale for each axes and finally plot the points.
A scatter plot is what?Data can be graphically represented using a scatter plot. The Coordinate axes are used in a straightforward scatter plot to plot the points according to their values.
To create a scatter plot, follow these three easy steps.
Determine the scatter plot's x- and y-axes in step one.
Specify the scale for each of the axes in STEP II.
Plot the points based on their values in Step 3.
Now here in the question,
We will draw a scatter plot using the data given in the table.
The graph is attached to the answer.
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Bertrand invites 21 people to his party and wants to give each guess 3 party favors. If n is the total number of party favors he will need to order, the equation that represents this situation n/21=3
The number οf favοurs that Bertrand needs tο buy is 63
Algebraic equatiοn:An algebraic equatiοn is a mathematical statement that uses οne οr mοre variables and mathematical οperatiοns tο describe a relatiοnship between thοse variables.
Algebraic equatiοns are cοmmοnly used in mathematics, science, engineering, and οther fields tο mοdel real-wοrld phenοmena, sοlve prοblems, and make predictiοns.
Here we have
Bertrand invites 21 peοple tο his party and wants tο give each guest 3 party favοrs.
If n is the tοtal number οf party favοrs he will need tο οrder,
The equatiοn that represents this situatiοn is: n/21 = 3
Where n is the tοtal number οf party favοrs Bertrand will need tο οrder, and 3 represents the number οf party favοrs each guest will receive.
On sοlving the equatiοn will get
=> n/21 = 3
Multiply with 21 οn bοth sides
=> 21(n/21) = 21 × 3
=> n = 63
Therefοre, The number οf favοrs that Bertrand needs tο buy is 63
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For what to go through a phase change, it’s temperature must be greater than or equal to 212°F or less than or equal to 32°F. If a glass of water is currently at 75°F, what temperature changes will produce a phase change?
Heating the water to a temperature of 212°F or higher, which will cause it to boil and transform from a liquid to a gas (water vapor).
Cooling the water down to a temperature of 32°F or lower, which will cause it to freeze and transform from a liquid to a solid (ice).
What is the temperature range for a stage change in water?The temperature range for a stage change in water is either more noteworthy than or equivalent to 212°F or not exactly or equivalent to 32°F, which compares to the bubbling and edges of freezing over of water, separately.
The water is still in its liquid state at 75°F, but it will change phases if it reaches 212°F or is cooled to 32°F or lower.
Therefore, the temperature changes that will produce a phase change in a glass of water at 75°F are:
Heating the water to a temperature of 212°F or higher, which will cause it to boil and transform from a liquid to a gas (water vapor).
Cooling the water down to a temperature of 32°F or lower, which will cause it to freeze and transform from a liquid to a solid (ice).
It is important to note that the temperature of the water will not change during the phase change until the entire change is complete. To put it another way, when water is boiling, it will remain at 212°F until all of the liquid has evaporated, and when it is frozen, it will remain at 32°F until all of the liquid has frozen solid.
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The points (3,-2) and (15, r) lie on a line with slope -3/4. Find the missing coordinate r.
Which data set is represented by the modified box plot?
Box and whisker plot on a number line from 90 to 160 in increments of 5. The whisker ranges from 100 to 126. The box ranges from 109 to 124 with the vertical bar inside the box at 117. One dot mark above one hundred and fifty-one.
Responses
116, 118, 114, 117, 151, 126, 122, 114, 124
116, 118, 104, 117, 151, 136, 142, 104, 124
106, 108, 104, 107, 151, 126, 132, 104, 124
100, 104, 114, 116, 117, 118, 122, 126, 151
Answer:
The data set represented by the modified box plot is:
116, 118, 114, 117, 151, 126, 122, 114, 124
Step-by-step explanation:
Which of the following are polyhedra?
A. Pyramid
OB. Sphere
OC. Pentagonal prism
D. Cube
DE. Cylinder
OF. Cone
Answer:
Answer: A, C, D, and F are polyhedra.
Chain of thought reasoning:
A. Pyramid: A pyramid is a polyhedron because its base is a polygon with four or more sides and its associated faces are triangles. Therefore, Pyramid (A) is a polyhedron.
B. Sphere: A sphere is not a polyhedron because it is not composed of flat faces connected at straight edges, thus it does not form a shape with flat faces and straight edges. Therefore, Sphere (B) is not a polyhedron.
C. Pentagonal prism: A pentagonal prism is a polyhedron because its base is a polygon with five sides and its associated faces are also polygons, resulting in a shape with flat faces and straight edges. Therefore, Pentagonal Prism (C) is a polyhedron.
D. Cube: A cube is a polyhedron because both its bases and its associated faces are polygons with four sides, resulting in a shape with flat faces and straight edges. Therefore, Cube (D) is a polyhedron.
E. Cylinder: A cylinder is not a polyhedron because it is not composed of flat faces connected at straight edges, thus it does not form a shape with flat faces and straight edges. Therefore, Cylinder (E) is not a polyhedron.
F. Cone: A cone is a polyhedron because its base is a polygon with three or more sides and its associated faces are circles or triangle, resulting in a shape with flat faces and straight edges. Therefore, Cone (F) is a polyhedron.