Answer:
The answer is b I searched it on goggle and did the math.
Step-by-step explanation:
Sean and Rachel were both born on April 17. When Sean was 4, his sister Rachel was 2 . Use this information to answer all of the questons in this section.
Answer:
B • r = s - 2
Step-by-step explanation:
Rachel will always be two year younger than Sean. if we substitute the letters with their ages...
[rachel's age] 2 = [ sean's age] 4 - 2
2 = 4 - 2
it can't be A
2 = 4 (two does not equals four)
it can't be C
2 = 4 + 2 (the correct answer is 6, Rachel is not 6 years old)
it can't be D
4 = 2 - 2 (the correct answer is 0. Rachel's not 0 years old as well.
[ also s is the subject in this case. but we are looking for r ]
Answer: B
Step-by-step explanation:
What is a 1 dimension array?
A one-dimensional array is the simplest type of array in which the elements are stored linearly and can be accessed individually by determining the index value of each element stored in the array.
What is a 1 dimension array?A one-dimensional array is the simplest type of array in which the elements are stored linearly and can be accessed individually by determining the index value of each element stored in the array.
One Dimensional Arrays are used to implement other data structures such as stacks, queues, heaps, graphs.
A typical advantage of one Dimensional Arrays is that they help in accessing elements easily using the index number.
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(04.02 MC)
The two-way frequency table contains data about how students access courses.
Traditional Online Row totals
Computer 28 62 90
Mobile device 46 64 110
Column totals 74 126 200
What is the joint relative frequency of students who use a mobile device in a traditional class?
23%
37%
46%
72%
The joint relative frequency of students using mobile devices in traditional classes, is
How to find the joint relative frequency ?The joint relative frequency of students that use mobile devices in the setting of a traditional class is :
= Number of students using mobile devices in traditional class / Number of total students accessing courses
Number of students using mobile devices in traditional class = 46 students
Number of total students accessing courses = 200
The joint relative frequency of students using mobile devices in traditional classes :
= 46 / 200
= 23 %
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Does square root Mean 1 2?
The square root of some number 'X' is a number which, when you multiply it by itself, the answer is 'X'.
What is Square root ?The square root of a number is the factor that we can multiply by itself to get that number. The symbol for square root is [tex]\sqrt{x}[/tex] . Finding the square root of a number is the opposite of squaring a number.
In mathematics, a square root of a number x is a number y such that y² = x; in other words, a number y whose square (the result of multiplying the number by itself, or y ⋅ y) is x.[1] For example, 4 and −4 are square roots of 16, because 4² = (−4)² = 16.
Thus , the square root of some number 'X' is a number which, when you multiply it by itself, the answer is 'X'.
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Marques is deciding between two parking garages. Garage A charges an initial fee of $5 to park plus $3 per hour. Garage B charges an initial fee of $7 to park plus $2 per hour. Let AA represent the amount Garage A would charge if Marques parks for tt hours, and let BB represent the amount Garage B would charge if Marques parks for tt hours. Write an equation for each situation, in terms of t,t, and determine the interval of hours parked, t,t, for which Garage A is cheaper than Garage B.
Answer:
A = 5 + 3t
B = 7 + 2t
2 hours
Step-by-step explanation:
7 + 2t > 5 +3t
(subtract 2t from both sides)
7 > 5 + t
(subtract 5 from both sides)
2 > t
therefore in 2 hours, the parking would be cheaper in Garage A than B
What is the sum of the geometric sequence 1, 3, 9, ... if there are 10 terms? (1 point)
a. 29,524
b. 55,987
c. 87,381
d. 88,573
The sum of the geometric sequence is 88,573.
The formula for the sum of a geometric sequence is
S = a₁(1 - rⁿ)/(1-r),
where a₁ is the first term of the sequence, r is the common ratio between terms, and n is the number of terms in the sequence. In this case, the first term is a₁ = 1, the common ratio between terms is r = 3, and the number of terms is n = 10. Inserting these values into the formula,
we get S = 1(1 - 3⁹)/(1-3) = 1(1 - 19,683)/(-2) = -9,841.5.
Therefore, the sum of the geometric sequence is 88,573.
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100 POINTS HELP PLEASE WILL GIVE BRAINLIEST PLEASEEEEEEE
Answer:
A. It is an increase in assets.
Step-by-step explanation:
The Debit section shows what the business purchased which is $12,000 worth of equipment. Hence, the business gained equipment worth $12,000 which is an increase in assets.
Answer:
A. It is an increase in assets.
Step-by-step explanation:
The entry "Equipment 12,000" is listed as a debit in the T-account because it is an increase in assets.
A T-account is a visual representation used in accounting to track and display the balances of a specific account, with the "debit" side showing increases and the "credit" side showing decreases.
When office equipment is purchased, it represents an increase in the company's assets. An increase in assets (or a decrease in liabilities) is recorded as a debit on a company's balance sheet.
In this case, the business is acquiring equipment, which is considered an asset, and therefore, it is debited to reflect the increase in the asset account.
How much exterior paint do I need for a 2000 square foot house?
Overall, you required 12 to 14 gallons, or 45 to 53 liters, of paint to paint the exterior of your 2000 square foot home.
It might be challenging to calculate or estimate the precise amount of paint that you will need when painting your home. When calculating how much paint you will need, there are many factors to take into account. Every paint has a varied coverage, which determines how many square feet may be painted with each gallon of paint.
According to a rule of thumb and general recommendations, you will require 10 to 12 gallons, or 38 to 45 litres, of exterior paint for a G+0/1 storey house with a 2000 square foot area, as well as 2 gallons of paint for exterior trim for approximately two coats, which includes painting for sliding, overhangs, and soffits, as well as exterior trim for painting the gutters, fascia, and window trims. Overall, you required 12 to 14 gallons, or 45 to 53 liters, of paint to paint the exterior of your 2000 square foot home.
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Which statement is true about the function on the interval -7 ≤ x < -4?
(A)
The function is negative and decreasing on the interval.
B The function is negative and increasing on the interval.
C
The function is positive and decreasing on the interval.
The function is positive and increasing on the interval.
The true statement about the interval is that:
B The function is negative and increasing on the interval.How to analyze the intervalThe given interval is -7 ≤ x < -4, the numbers in the interval are
-7, -6, -5,
The numbers are all negative and the number starts from -7 but did not get to -4
since the interval starts from -7 which is a lesser number than -6 and a lesser when compared with -5 we say the interval is increasing
In negative numbers, the larger the number the lesser it has value and and lesser the number the closer it is to zero and the higher the number
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During optimal conditions, the rate of change of the population of a certain organism is proportional to the population at time t, in hours. At time t=0 hours, the population is 300. At time t=24 hours, the population is 1000. At what time t is the population 500 ?.
The time t at which the population is 500 is 45 hours.
The equation gives the rate of change of the population at time t:
dP/dt = kP
where P is the population at time t and k is the constant of proportionality.
We can use this equation to find the value of k by substituting the known values of P and t at time t=24 hours:
dP/dt = kP
1000 = k*300
k = 1000/300
k = 10/3
Now that we know the value of k, we can use the equation to find the time t at which the population is 500:
dP/dt = kP
500 = (10/3)P
P = 500*3/10
P = 150
Since the population at time t=0 hours is 300, the population has decreased by 150 over the 24 hours, so t = -150/(-10/3) = 45 hours.
Therefore, the time t at which the population is 500 is 45 hours.
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dP/dt = kP
We can use this equation to find the value of k by substituting the known values of P and t at time t=24 hours:
dP/dt = kP
1000 = k*300
k = 1000/300
k = 10/3
dP/dt = kP
500 = (10/3)P
P = 500*3/10
P = 150
Since the population at time t=0 hours is 300, the population has decreased by 150 over the 24 hours, so t = -150/(-10/3) = 45 hours.
Therefore, the time t at which the population is 500 is 45 hours.
4-> Perpetua has 1,800/= to buy pencils. There are 2 types which prices differ by 40/=. If she boys the cheaper type sho will get 15 more pencils than if she buys the expensive type. What are the prices of the pencils?
The price of the two pencils is Rs.100 (expensive) and Rs.60 (cheaper).
Let the price of the expensive pencil be = x
And the price of the cheaper one be = y.
According to the question:
The difference between the price of 2 = 40
Therefore,
x- y =40
Total amount = 1800.
The number of Expensive pencils that can be bought = 1800/x.
The number of Expensive pencils that can be bought = 1800/y.
According to the question,
1800/y -1800/x = 15 (the number of extra pencils)
= (1800x -1800y)/xy = 15
= 1800x -1800y =15xy
= 1800 (x-y) =15xy
Substituting x-y as 40
1800 x 40 =15xy
xy = 4800.
We know that x-y =40
Therefore, x = y+ 40
xy = 4800
(y+40) y = 4800
[tex]y^{2}[/tex] + 40 y = 4800
Using the quadratic equation formula,
y = 52.111 or y = -92.111
Thus, the cost of the cheaper pencil (y)= Rs. 52.111
The cost of the expensive pencil (x) = 52.111 + 40 = Rs 92.111
Therefore the cost of two pencils is = Rs. 52.111 and Rs 92.111.
How do you find the repeating and the missing number in an array?
The basic approach to solve this problem is to first sort array and then traverse through all the the elements and check for missing value and repeating value.
Approach:
Sort the input array.Traverse the array and check for missing and repeating.c++ implementation
#include <bits/stdc++.h>
using namespace std;
void printTwoElements(int arr[], int size)
{
int i;
cout << "The repeating element is ";
for (i = 0; i < size; i++) {
if (arr[abs(arr[i]) - 1] > 0)
arr[abs(arr[i]) - 1] = -arr[abs(arr[i]) - 1];
else
cout << abs(arr[i]) << "\n";
}
cout << "and the missing element is ";
for (i = 0; i < size; i++) {
if (arr[i] > 0)
cout << (i + 1);
}
}
int main()
{
int arr[] = { 8, 3, 4, 5, 5, 6, 1 };
int n = sizeof(arr) / sizeof(arr[0]);
printTwoElements(arr, n);
}
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Is 6 and 8 and 3/4 True or false?
TRUE: The ratio of 6 and 8 is equivalent to 3/4.
Define the term equivalent ratio?"Two or even more ratios that reflect the same relation as well as comparison of integers are recognized as equivalent ratios," according to the concept of the equivalent ratio. The idea of corresponding fractions is comparable. The term "proportion" also refers to the equivalence of two ratios.The cross multiplication approach and the HCF method can both be used to determine if the supplied ratios be equivalent or not.Remember that the ratio is the same when you multiply both sides of a fraction by a number.
= 3/4
= 3*2 / 4*2
= 6/8
= 6:8
Thus, the ratio of 6 and 8 is equivalent to 3/4.
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Is 6:8 equals 3/4 ? Is it true or false and why?
if vertical angles are congruent, then two lines cut by a transversal are parallel. t or f
Answer:
False
Step-by-step explanation:
Vertical angles are always congruent regardless of if the lines are parallel.
Two-Column proof for my geometry class
The two-column proof is given below:
What is meant by geometry?Mathematics' earliest branch is geometry, along with arithmetic. The distance, size, shape, and relative position of objects in relation to one another are all aspects of space that are addressed. The term "geometer" refers to a mathematician who specializes in geometry.
Before the 19th century, Euclidean geometry which incorporates the concepts of point, line, plane, distance, angle, surface, and curve as fundamental concepts—was nearly entirely the focus of geometry.
Geometry's use was greatly expanded during the 19th century by a number of discoveries. One of the first of these discoveries is Gauss Theorema Egregium, which roughly states that the Gaussian curvature of a surface is independent of any particular embedding in a Euclidean space.
Statements Reasons
4.7(2f-0.5)=-6(1.6f-8.3f) Given
4.7(2f-0.5)=-6(-6.7f) Combine like terms
9.4f-2.35= -40.2f Get all the terms to the one
side of an equation
49.6f=23.5 Addition property
f=47/992 Division property
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Which equation can be simplified to find the inverse of y 2x 2?
The simplified equation for finding the inverse of y = 2x² is x = 2y².
What is the equation?A function that "undoes" another function is known as an inverse function. That is, if f(x) yields y, then y multiplied by the inverse of f yields x. Invertible functions have an inverse, which is denoted by the symbol f1.It is worth noting that the inverse of y = 2x² is √x/2 = y.
x = 2y²
Make the subject of the formula 'y²'.
x/2 = y²
Make 'y' the subject of the equation by taking the square root of both sides.
√x/2 = √y²
The square root cancels out the square.
√x/2 = y
Thus, the simplified equation for finding the inverse of y = 2x² is,
x = 2y².
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M3 is the sum of all money in the economy.
Which of the following correctly shows how to
calculate for the entire money supply?
A. M1+ M2 + M3
B. M1+ M2-M3
C. M1x M2 x M3
Answer:
A. M1+ M2 + M3
Step-by-step explanation:
M1 is the money supply that makes it easy to convert assets/items into currency.
M2 is the deposits and money market funds.
Add M1, M2, and M3 to calculate the entire money supply of all the money in the economy.
Answer:
A. M1+ M2 + M3
M3 consists of all currency notes held by the public, all demand deposits with the bank, deposits of all the banks with the RBI and the net Time Deposits of all the banks in the country. So M3 = M1 + time deposits of banks.
Step-by-step explanation:
What is the end behavior of the graph of f x )= x5 8x4 16x3?
The graph of f(x) = [tex]x^{5}-8x^{4}-16x^{3}[/tex] has the following end behavior : as x decreases, x5 increases; as x increases, x5 decreases; and the graph crosses the x-axis at x = 0 instead of at x = 4.
Given, f(x) = [tex]x^{5}-8x^{4}-16x^{3}[/tex]
[tex]x^{5}[/tex] will also approach -∞ as x approaches -∞. This is so because a negative number remains negative when raised to the power of an odd number.[tex]x^{5}[/tex] will go closer to +∞ as x approaches +∞. This is so because the outcome is still positive when we raise a positive number to the power of an odd number.the given function's roots,f(x) = [tex]x^{5}-8x^{4}-16x^{3}[/tex]
= [tex]x^{3}[/tex](x - 4)(x - 4) = 0
[tex]x^{3}[/tex] = 0
x = 0
x - 4 = 0
x = 4
Thus, x = 0 and x = 4 are the roots.
As a result, the graph will touch the x-axis but not the repeated root of x = 4, indicating that the graph has a repeated root.
The graph will cross at x = 0 because 0 is a root and does not cross at x = 4.Correct question :
What is the end behavior of the graph of f(x)= [tex]x^{5}-8x^{4}-16x^{3}[/tex] ?
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Fernando works in the shipping department of a toy manufacturer. Toy cars weigh 3
kilograms apiece and are shipped in a container that weighs 5 kilograms when empty. Toy
trucks, which weigh 2 kilograms apiece, are shipped in a container weighing 10 kilograms.
When packed with toys and ready for shipment, both kinds of containers have the same
number of toys and the same weight. What is the weight of each container?
Write a system of equations, graph them, and type the solution.
The weight of container will be 20 kg
Let x be the number of car toys packed into container. Toy cars weigh 3 kilogram apiece and are shipped in a container that weighs 5 kilograms when empty, then the total weight of container with toy cars is
x.3 + 5 = 3x + 5
The number of toy trucks is also x. Toy trucks, which weigh 2 kilograms apiece, are shipped in a container weighing 10 kilograms, then the total weight of container with toy trucks is
x.2 + 10 = 2x +10
When packed with toys and ready for shipment, both kinds of containers have the same weight. Thus,
3x + 5 = 2x + 10
x = 15
The weight of container = x + 5
= 15 + 5
= 20 kg
Hence, the weight of container will be 20 kg
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What is the mean deviation of the data 8 9 12 15 16 20 24 30 32 34?
The mean deviation of the data 8,9,12,15,16,20,24,30,32,34 is 8
Given data: 8,9,12,15,16,20,24,30,32,34
The formula for the mean (x bar) = sum of observations /no. of observations
Mean (x bar) = 8+9+12+15+16+20+24+30+32+34/ 10
Mean = 200/10
∴ Mean = 20
Now, we find the mean deviation using mean
Mean deviation using mean = 1/n Σ|x- x bar|
where n= number of observations = 10
x= each observation in the data
x bar= mean of the data= 20
Mean deviation using mean
= 1/10 x [(20-8)+(20-9)+(20-12)+(20-15)+(20-16)+(20-20)+(24-20)+(30-20)+ (32-20)+(34-20)]
= 1/10 x [12+11+8+5+4+0+4+10+12+14]
= 1/10 x (80)
= 80/10
Mean deviation = 8
Thus the mean deviation is 8.
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What is an example of a inverse sentence?
"It's pouring if the grass is wet." Our inverse sentence would be, "If it is NOT raining, then it is NOT wet on the grass."
Given,
Inverse Sentence;
Each of the original statements is presupposed to be false in an inverted statement. "If it is not snowing" would be the polar opposite of "If it is snowing." "Then it is not chilly" would be the polar opposite of "then it is cold."
Example of inverse sentence;
Now, we can construct the three other statements using the concepts we established before. If anything, we would say the opposite: "If the grass is wet, it's pouring." "If it is NOT raining, then the grass is NOT wet," would be our inverse claim.
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PLEASE HELP!! I’LL MARK THE BRANNIEST!
Inspect the graph to see if any vertical line drawn would intersect the curve more than once.
What is graph?
A graph is a structure that resembles a set of items in discrete mathematics, more especially in graph theory, in which certain pairs of the objects are conceptually "connected." The items are represented by mathematical abstractions known as vertices, and each pair of connected vertices is referred to as an edge.
If there is any such line, the graph does not represent a function. If no vertical line can intersect the curve more than once, the graph does represent a function.
f(x)=log(2x)
g(x)=log1/10(x-3) the base of log is 1/10
Domain is x>3
Range is all real numbers
g(x) is decrease on the interval x>3
asymtote is x=3
x intercept is x=4
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PLLLLZZZZ HELP MEH Anne is putting 315 pictures into scrapbooks. She puts 6 pictures on each page. If Anne fills as many pages as she can, how many pictures will she have left over?
Answer:
3
Step-by-step explanation:
She's got 315 total pictures. if she uses one page for 6 pictures then she will fix 52 and a half pages. if only half the page is filled you have 3 photos left
The number of pictures leftover in the scrapbooks is A = 3
What is an Equation?Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.
It demonstrates the equality of the relationship between the expressions printed on the left and right sides.
Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.
Given data ,
Let the equation be represented as A
Now , the value of A is
The total number of pictures = 315
The number of pictures in each page = 6
Since Anne can only fill complete pages, she will use 52 pages. The remaining pictures will be:
The remaining pictures = total pictures - (pictures per page x pages used)
On simplifying the equation , we get
The remaining pictures A = 315 - (6 * 52)
The remaining pictures A = 315 - 312
The remaining pictures A = 3
Hence , Anne will have 3 pictures left over.
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What is the equation of the asymptote?
The equations of the asymptotes are y = 2 and x = -1, respectively
How to determine the equations of the asymptotesThe equation of the function is given as
f(x) = 2x² + 7x - 4/x² + 5x + 4
Introduce bracket, to differentiate the numerator and the denominator
So, we have
f(x) = (2x² + 7x - 4)/(x² + 5x + 4)
Next, we plot the graph of the function (see attachment)
The asymptotes are the points on the graph is a line that acts as the limit of another line or curve
From the graph, we have the asymptotes to be
x = -1 and y = 2
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Complete question
What is the equation of the asymptote?
f(x) = 2x² + 7x - 4/x² + 5x + 4
Which equation describes a line that contains the point (4, -3) and is perpendicular to the line represented by the equation y=25x+3 ?.
The equation describes a line that contains the point (4, -3) is y = ( -1/25 )x - 71/25 .
Given :
The point (4, -3) and is perpendicular to the line represented by the equation y = 25x +3 .
Here slope m = 25
Perpendicular slope = -1 / m
= -1 / 25
The line equation is y = mx + c
Substitute m and ( 4 , -3 ) we get
-3 = -1/25 * 4 + c
-75 = -4 + 25c
-71 = 25c
c = -71/25
y = mx + c
y = ( -1/25 )x - 71/25
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Can 4 year olds count?
Therefore , the 4 year old children can able to count to 1 to 100 counting by making them learn.
What do you mean by counting?Mathematicians can add numbers using the counting-on technique. When using this method, a learner begins by adding the larger number, then "counts on" with the other addends to get the sum. The student will recognize 4 as the higher number and add three more numbers, such as integers "4... 5, 6, 7," if the number sentence is 4 + 3.
Here,
Children develop and learn on an individual basis, however many
4 year old are able to learn their numbers between 1 and 100 and can count over 10.
They could be prepared to practice counting by fives or other skip counting techniques (5, 10, 15, 20, and so on).
Start working on number recognition with your kid as soon as you can.
Therefore , the 4 year old children can able to count to 1 to 100 counting by making them learn.
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Which graph represents the function f(x) = 2?
Answer:
The graph of given function is shown below.
Step-by-step explanation:
The absolute parent function is g(x)=|x|. The graph of parent function is a V-shape d and vertex of the function is origin.
The given function is
.... (1)
The vertex from of an absolute function is
.... (2)
where, a is a constant and (h,k) is vertex of the function.
From (1) and (2) we get
The value of a is -1. The value of a is negative it means the graph of parent function reflect across x-axis.
The vertex of the function is (0,-2). It means the graph of parent function shifts 2 units down.
3. Indrani and Jagad share some money in the ratio Indrani: Jagad = 7:9. Calculate the percentage of the money that Indrani receives.
The percentage of money Indrani receives is 43.75%.
What is the percentage?A percentage is a value per hundredth. Percentages can be converted into decimals and fractions by dividing the percentage value by a hundred.
Given, Indrani and Jagad share some money in the ratio,
Indrani : Jagad = 7 : 9.
We know the percentage of money for both a and b in the form of a : b can be obtained as, [a/(a + b)]×100.
Therefore, the percentage of money Indrani gets is,
= [7/(7 + 9)]×100.
= (7/16)×100.
= 43.75%.
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Please mark as Brainliest!!
Answer:
43.75%
Step-by-step explanation:
What is the sum of the interior angle of a regular nonagon
The sum of the interior angle of a regular nonagon will be 1,260°.
What is a polygon?The polygon is a 2D geometry that has a finite number of sides. And all the sides of the polygon are straight lines connected to each other side by side.
The interior angle of the polygon is given as,
Interior angle = 180° - 360° / n
And the sum of the interior angle is given as,
Sum of the interior angle = n x (Interior angle)
The number of sides of the regular nonagon is 9. Then the interior angle is given as,
Interior angle = 180° - 360° / 9
Interior angle = 180° - 40°
Interior angle = 140°
Then the sum of the interior angle of a regular nonagon will be given as,
Sum of the interior angle = 9 x 140°
Sum of the interior angle = 1,260°
The sum of the interior angle of a regular nonagon will be 1,260°.
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If f(x) has a y-intercept at 3 and x-intercepts at 2 and −4, and if
g(x) = 2f(2x + 3), which intercepts of g(x) can you identify for certain, and what are they?
Answer:
Step-by-step explanation:
The y-intercept of g(x) is 3 * 2 = 6.
To find the x-intercepts of g(x), we need to find the values of x that make g(x) equal to 0. Since g(x) = 2f(2x + 3), this means we need to find the values of x that make f(2x + 3) equal to 0. Therefore, we can find the x-intercepts of g(x) by solving the equation f(2x + 3) = 0 for x.
Since the x-intercepts of f(x) are at 2 and -4, this means that the equation f(x) = 0 has solutions at x = 2 and x = -4. Substituting these values into the equation f(2x + 3) = 0, we get:
f(2(2) + 3) = 0
f(4 + 3) = 0
f(7) = 0
and
f(2(-4) + 3) = 0
f(-8 + 3) = 0
f(-5) = 0
Therefore, the x-intercepts of g(x) are at x = 7/2 and x = -5/2. These are the only intercepts of g(x) that we can determine for certain.