Robin's graph of the function g(x) = -x² = -f(x) is the reflection of Giselle’s graph over the x-axis. Robin’s graph is a reflection of Giselle’s graph over the x-axis.
What is linear equation?
An algebraic equation with simply a constant and a first- order( direct) element, similar as y = mx b, where m is the pitch and b is the y- intercept, is known as a linear equation.
The below is sometimes appertained to as a" direct equation of two variables," where y and x are the variables. Equations whose variables have a power of one are called direct equations. One illustration with only one variable is where layoff b = 0, where a and b are real values and x is the variable.
To reflect a function across the x-axis, replace y with -y.
To reflect a function across the y-axis, replace every x with -x.
To translate a function vertically, add or subtract a number to the end of the function.
To translate a function horizontally, add or subtract a number before any exponents are applied.
The difference between Robin's and Giselle's functions are the negative in front of x². This is the same as making y negative; this is a reflection across the x-axis.
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What is the volume of the sphere? Use 3.14 for pi. Round to the nearest whole number.
423 m³
423 m³
2144 m³
2144 m³
1582 m³
1582 m³
985 m³
3. A 529 Plan is a college-savings plan that allows relatives to invest money to pay for a child's future
college tuition; the account grows tax-free. Lily wants to set up a 529 account for her granddaughter
and wants the account to grow to $40,000 over 18 years. She believes the account will earn 6%
compounded semi-annually (twice a year). To the nearest dollar, how much will Lily need to invest in
the account now?
Lily will need to invest $16,483.29 in the account now to have $40,000 in 18 years.
What is simple and compound interest?The two types of interest computations utilised in finance are simple interest and compound interest.
Simple interest is just computed on the principal, or the initial amount borrowed or invested. For a specific amount of time, the interest rate is applied to the principal sum, and each period's interest earned or charged is the same.
On the other hand, compound interest is calculated using both the original principal and any prior interest payments. The principal is increased by the interest generated in each month, and the new sum serves as the foundation for computing interest in the following period.
The compound interest is given by the formula:
[tex]A = P(1 + r/n)^{(nt)}[/tex]
Isolating the value of P we have:
[tex]P = A/(1 + r/n)^{(nt)}[/tex]
Now, substituting the values A = $40,000, r = 0.06 (6% as a decimal), n = 2 (compounded semi-annually), and t = 18 years:
[tex]P = $40,000/(1 + 0.06/2)^{(2*18)}\\P = $40,000/(1.03)^{36}[/tex]
P = $40,000/2.4271
P = $16,483.29
Hence, Lily will need to invest $16,483.29 in the account now to have $40,000 in 18 years.
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A
b
B
0
PC
Solve the right triangle shown in the figure.
BC= 1.6in, ZA = 48.8°C = 90°
a. AC=0.3in, B = 41.20, AB = 1.6in
b. AC=2.5in, ZB= 41.20, AB = 3.0in
C.
AC 1.4in, ZB= 41.20, AB= 2.1in
d. AC=2.5in, B = 41.2°, AB= 2.1in
Please select the best answer from the choices provided
=
Check the picture below.
[tex]\tan(48.8^o )=\cfrac{\stackrel{opposite}{1.6}}{\underset{adjacent}{b}} \implies b=\cfrac{1.6}{\tan(48.8^o)}\implies b\approx 1.4 \\\\[-0.35em] ~\dotfill\\\\ \sin(48.8^o )=\cfrac{\stackrel{opposite}{1.6}}{\underset{hypotenuse}{c}} \implies c=\cfrac{1.6}{\sin(48.8^o)}\implies c\approx 2.1[/tex]
Make sure your calculator is in Degree mode.
you have housing and fixed expenses of $813.52 a month you want to have a 6 month emergency fund and you want to have it funded in 18 months how much must you save per month?
Answer:
271.17 is the answer
Step-by-step explanation:
we know that the housing and fixed expenses of $813.52/month.
6 months emergency funds
= 813.52 × 6 = 4881.82
We know that you want to have it funded in 18 months
put it fraction will solve the problem:
[tex]\frac{4881.12}{18}[/tex] = 271.17
271.71 being the answer
An intrusion detection system (IDS) is designed to provide an alarm whenever unauthorized access to a computer system occurs. The probability of the system giving a false alarm is defined by the symbol a , while the probability of a missed detection is defined by the symbol b. These symbols are used to represent Type I and Type II error rates, respectively, in a hypothesis testing scenario. According to a college research laboratory, only 13 in 6,500 computer sessions with no intrusions resulted in a false alarm. For the same system, the laboratory found that only 500 of 2,000 intrusions were actually detected. Use this information to estimate the values of a and b. C) what is the value of a? (round to four decimal as needed.)
The estimated values of a and b are given below:
probability of Type I error, a = 0.002probability of Type II error, b = 0.75What is the probability of a false positive and a false negative?The probability of Type I error (false positive) is denoted by a.
The probability of Type II error (false negative) is denoted by b.
Data provided:
In 6,500 computer sessions with no intrusions, only 13 resulted in a false alarm.
Hence, the probability of a false alarm is 13/6,500 = 0.002.
Therefore, the estimated value of a = 0.002
Only 500 were detected out of 2,000 intrusions.
Hence, the probability of a missed detection is (2,000 - 500)/2,000 = 0.75.
The probability of true positive is 500/2,000 = 0.25
The estimated value of b will be 1 - true positive rate = 1 - 0.25
b = 0.75
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answer quick pls!!!!!!!!!
1. The transformation here is the vertical transformation
2. This is a horizontal transfprmation
3. This is a 90 degree clockwise rotation
What is a transformation in mathematics?In mathematics, 'transformation' signifys a performance or executable that modifies the positioning, orientation, magnitude, or silhouette of a geometric shape or set of coordinates while preserving specific features.
Transformations are a prevalent idea in various sections of math, including geometry, linear algebra and functional appraisals. Below are some of the generality popular metamorphoses:
Translation: A transformation that migrates each point of an item by the equivalent length in the equivalent direction. This does not adjust the subject's scale or facing.
Rotation: A conversion that rotates a subject round a pin-point termed the center of rotation, by a distinct angle.
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Pls help me (its in the png below)
Based on the expression, the answer to the question is, and the condensed expression is 1/(25k²).
What is Expression?A value is represented by an expression, which is made up of symbols, variables, constants, and operators. Expressions are used in computer programming to alter data and carry out calculations. Expressions may be straightforward or intricate, and they may contain arithmetic, logical, or conditional assertions. Expressions in mathematics can stand in for equations, functions, and other abstract ideas. Expressions can be used to describe actual phenomena, such as how things move or how systems behave.
To simplify the expression (1/5k)², we square the numerator and denominator separately, as follows:
(1/5k)² = (1²) / (5k)²
= 1 / (25k²)
Therefore, the simplified expression is 1/(25k²).
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c=5 km
b=2 km
What is the length of the missing leg? If necessary, round to the nearest tenth.
kilometers
The length of the missing leg is √29 units
Given that c=5 km and b=2 km
We have to find the value of a
The length of the missing leg is a which is hypotenuse which we have to find.
c²+b²=a²
5² + 2² =a²
25+4=a²
29=a²
Square root on both sides
a=√29 units
Hence, the length of the missing leg is √29 units
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There have been two especially important shifts in how markets are defined in recent decades: one involves _________________ and the other involves _____________.
The complete statement is -
There have been two especially important shifts in how markets are defined in recent decades: one involves technology and the other involves globalization.
Given is that there have been two especially important shifts in how markets are defined in recent decades. It is asked to fill in the blanks with correct values.
We can fill the statement as -
There have been two especially important shifts in how markets are defined in recent decades: one involves technology and the other involves globalization.
Therefore, the complete statement is -
There have been two especially important shifts in how markets are defined in recent decades: one involves technology and the other involves globalization.
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6. Find the degree of each vertex in the graph below.
The degree of each vertex is 4, 1, 2, 3, and 2.
The degree of each vertex in a graph:
To find the degree of each vertex in a graph, you need to count the number of edges that are incident on that vertex.
The degree of a vertex is the number of edges connected to it. Here are the steps you can follow to find the degree of each vertex in a graph:
1. Identify all the vertices in the graph.
2. For each vertex, count the number of edges that are incident on it. To do this, you can follow the edges that are connected to the vertex and count them.
3. Record the degree of each vertex.
Here we have a graph
The number of vertices in the graph is 5
Let's name each vertex as shown in the figure
To vertice A, 4 edges are connected
Hence, the degree of vertice A is 4
To Vertice B, 1 edge is connected
Hence, the degree of vertice B is 1
Similarly
Degree of Vertice C is 2
Degree of vertice D is 3
Dergree of vertice E is 2
Therefore,
The degree of each vertex is 4, 1, 2, 3, and 2.
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help me this is due tomorrow and i have to go to sleep
Answer: The possible length of the third side is probably 23cm.
All I did was add 9cm and 15cm which equaled 24cm and you could give that answer or any other number below 24.
Answer:
7 ≤ s ≤ 23; any number of centimeters between 7 and 23 cm.
Step-by-step explanation:
You want to know possible lengths of the third side of a triangle with side lengths 9 cm and 15 cm.
Triangle inequalityThe triangle inequality requires the sum of the two shorter side exceed the longest side. When two sides are given, this means the length of the third side lies between their difference and their sum.
The third side s must satisfy ...
15 -9 < s < 15 +9
6 < s < 24
The third side can have any whole number value between 7 cm and 23 cm, inclusive. For example, it might be 7 cm or it might be 20 cm.
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PLEASE NEED HELP!!
a) what is the range of values that the game operator can use to represent a winner getting a stuffed animal?
b) using your answer in part A find the percentage of the 10 simulated winners who got a stuffed animal?
a) The range of values that the game operator can use to represent a winner getting a stuffed animal is given as follows:
1 to 45.
b) The percentage of the 10 simulated winners who got a stuffed animal is of: 40%.
How to calculate a probability?A probability is calculated as the division of the desired number of outcomes by the total number of outcomes in the context of a problem/experiment.
There is a 45% theoretical probability of getting a stuffed animal, hence the range of values can be given as follows:
1 to 45.
From the table, out of 10 winners, 4 have numbers ranging from 1 to 45, hence the percentage is given as follows:
p = 4/10 x 100%
p = 40%.
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What is the surface area of the box formed by the pattern below?
Answer:
h
Step-by-step explanation:
On a separate sheet of paper, sketch a sine function graph with a period of 2 and an amplitude of 2. In the box below, enter the equation of the graph. ( ASAP!!
The equation of the graph is y = 2sin(πx) with a period of 2 and an amplitude of 2
The general equation for a sine function is:
y = A × sin(Bx)
Where A represents the amplitude and B represents the frequency, which is related to the period of the function.
In this case, the given period is 2, which means the frequency (B) can be calculated as:
B = 2π / period = 2π / 2 = π
The given amplitude is 2 (A = 2).
Therefore, the equation of the graph is y = 2sin(πx)
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Find the tangent of
J
I
K
√35
√79
Write your answer in simplified, rationalized form. Do not round.
The calculated value of the tangent of J is tan(J) = √35/√79 or tan(J) = √2765/79
Finding the tangent of JFrom the question, we have the following parameters that can be used in our computation:
Opposite = √35
Adjacent = √79
The tangent of J is calculated as
tan(J) = Opposite/Adjacent
Substitute the known values in the above equation, so, we have the following representation
tan(J) = √35/√79
So, we have
tan(J) = √2765/79
Hence, the solution is √2765/79
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alondra is starting a college savings account. She has already saved $400. she devises a periodic savings plan with a monthly deposit to save $7,000 in 3 years as shown
According to the data, Alondra would have to save $275 each month if she wants to have $7,000 after two years.
How to calculate how much Alondra must save to have $7,000 after 2 years?To calculate the savings that Alondra must make to have $7,000 after 2 years we must carry out the following procedure:
First, we must subtract $400 from her initial contribution to your savings.
$7,000 - $400 = $6,600
Then we must divide $6,600 into the number of months that are 2 years (24 months).
$6,600 / 24 = $275
Based on the above, if she saves $275 of her salary each month, she will have $7,000 after 2 years. This is possible because her monthly payment is $358.41
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Assume that a researcher randomly selects 14 newborn babies and counts the number of girls selected, x. The probabilities corresponding to the 14 possible values of x are summarized in the given table. Answer the question using the table.
Probabilities of Girls
column chart ( (x(girls) P(x) x(girls) P(x) x(girls) P(x) )(0 0.000 5 0.122 10 0.061)(1 0.001 6 0.183 11 0.022)(2 0.006 7 0.209 12 0.006)(3 0.022 8 0.183 13 0.001)(4 0.061 9 0.122 14 0.000) )
Find the probability of selecting exactly 8 girls.
From the table, we can see that the probability of selecting exactly 8 girls is 0.183.
Therefore, the answer is:
P(x=8) = 0.183
The probability of selecting exactly 8 girls out of a sample of 14 newborn babies is 0.183 or approximately 18.3%.
What is Probability?It is a branch of mathematics that deals with the occurrence of a random event.
The given table shows the probabilities of selecting different numbers of girls (x) out of a sample of 14 newborn babies.
The probability of selecting exactly 5 girls is 0.122, which means that in a large number of random samples of 14 newborn babies
We would expect to find approximately 0.122 × (total number of samples) with exactly 5 girls.
To find the probability of selecting exactly 8 girls, we look at the value in the table for x = 8, which is 0.183.
Therefore, the probability of selecting exactly 8 girls out of a sample of 14 newborn babies is 0.183 or approximately 18.3%.
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22) Determine
if each is a
combination or permutation.
1 point
22) There are 120 athletes at a meeting. They
each give a Valentine's Day card to
everyone else. How many cards were
given?
A) Combination
B) Permutation
Answer:
B) Permutation.
If x=1 y=2find the value of 2x+3y
Answer:8
Step-by-step explanation:2*1+3*2=8
add 1 million and 257 million subtract 1090 million add the remainder see what you get
Answer:
Ok, let's follow the steps:
1 million + 257 million = 258 million
258 million - 1090 million = -832 million
Now, I'm not sure what you mean by "add the remainder", since we don't have any remainder to add. However, if you meant "add the absolute value of the remainder", we can do that. The absolute value of -832 million is 832 million. So, adding that to our result, we get:
-832 million + 832 million = 0
Therefore, the final result is 0.
A) A garden is extended by equal length on two sides find a polynomial that represents how much square foot of soil you need to cover the extended area only.
B) If the original garden was extended by 6 ft on each side what percent of the new garden will be extended
Answer:
1. Let’s assume that the original garden was a rectangle with width w and length l. After extending it by equal length on two sides, we get a new rectangle with width w+2x and length l+2x. The area of the new rectangle is (w+2x)(l+2x). To find the area of the extended area only, we need to subtract the area of the original garden from the area of the new rectangle. The area of the original garden is wl. Therefore, the polynomial that represents how much square foot of soil you need to cover the extended area only is:
(w+2x)(l+2x) - wl
which can be simplified as:
wl + 2lx + 2wx + 4x^2 - wl
The polynomial can be further simplified as:
4x^2 + 2lx + 2wx
2. If the original garden was extended by 6 ft on each side, then the new garden will be extended by 175% 1.
To calculate this percentage, we can use the formula:
% increase = (new value - old value) / old value * 100%
The original garden has an area of 64 square feet (8 feet x 8 feet). If we extend each side by 6 feet, then the new garden will have an area of 196 square feet (14 feet x 14 feet).
So, using the formula above:
% increase = (196 - 64) / 64 * 100%
% increase = 132 / 64 * 100%
% increase = 206.25%
Therefore, if the original garden was extended by 6 ft on each side, then the new garden will be extended by 206.25% 1.
I hope this helps! Let me know if you have any other questions.
Step-by-step explanation:
360-159 QUESTION 2 If cos 21° =k, determine the following in terms of k without using a calculator: S 2.1 sin 21° 2.2 cos 201⁰ 2.3 cos 42° 2.4 cos 51° (05 (150+93) 90 19040 (2012) Sell CAHI TOR 360+ -60 360- 12700 1 360-0 (0369 159 4x 360. x² + y² x²+ K²= Si (90-69) *² (2-1 21 [
The values of the trigonometry ratios are sin(21) = √(1 - k²), cos(201) = -k, cos(42) = 2k² + 1 and cos(51) = k√3/2 - 1/2√(1 - k²)
Calculating the values of the trigonometry ratiosGiven that cos 21° =k
Next, we calculate the trigonometry ratios as follows
(1) sin 21°
Here, we use
sin²(x) + cos²(x) = 1
So, we have
sin²(21) + cos²(21) = 1
This gives
sin²(21) + k² = 1
By subtraction, we have
sin²(21) = 1 - k²
Take the square roots
sin(21) = √(1 - k²)
(2) cos 201⁰
This is calculated using
cos(a + b) = cos(a)cos(b) - sin(a)sin(b)
So, we have
cos(180 + 21) = cos(180)cos(21) - sin(180)sin(21)
Evaluate the ratios
cos(201) = -1 * k - 0 * √(1 - k²)
So, we have
cos(201) = -k
(3) cos 42°
Here, we have
cos(a + a) = cos²(a) - sin²(a)
So, we have
cos(21 + 21) = cos²(21) - sin²(21)
Evaluate the ratios
cos(42) = k² + 1 + k²
So, we have
cos(42) = 2k² + 1
(4) cos 51°
This is calculated using
cos(a + b) = cos(a)cos(b) - sin(a)sin(b)
So, we have
cos(30 + 21) = cos(30)cos(21) - sin(30)sin(21)
Evaluate the ratios
cos(51) = √3/2 * k - 1/2 * √(1 - k²)
So, we have
cos(51) = k√3/2 - 1/2√(1 - k²)
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Point A is at 0 radians with coordinates (1,0) on the unit circle. Point B is the result of point A rotating -5π/4 radians. Name two other angles of rotation that take A to B. At least one must be negative. Explain your reasoning.
The other two angle of rotation that connect A and B are 3π/4 radians and -13π/4 radians
To rotate point A to point B, we are rotating -5π/4 radians counterclockwise from the positive x-axis. To find two other angles of rotation that take A to B, we can add or subtract multiples of 2π radians, since this will result in a full revolution around the unit circle.
First, to find a negative angle of rotation that takes A to B, we can subtract 2π radians from -5π/4 radians:
-5π/4 - 2π = -13π/4
This tells us that rotating point A -13π/4 radians (or 3π/4 radians clockwise) will take it to point B.
Next, to find a positive angle of rotation that takes A to B, we can add 2π radians to -5π/4 radians:
-5π/4 + 2π = 3π/4
This tells us that rotating point A 3π/4 radians counterclockwise will take it to point B.
Therefore, the other two angle of rotation that connect A and B are 3π/4 radians and -13π/4 radians
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0.00000124 as a power of 10
The scientific notation of the given number is 1.24×10⁻⁶.
The given number is 0.00000124.
Scientific notation is a method for expressing a given quantity as a number having significant digits necessary for a specified degree of accuracy, multiplied by 10 to the appropriate power such as 1.56×10⁷.
Here, 0.00000124=1.24×10⁻⁶.
Therefore, the Scientific notation of the given number is 1.24×10⁻⁶.
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Which inequality represents this number line?
The inequality that represents the number line given in the image above is: D. x > -1.
How to Find the Inequality that Represents a Number line?A number line is a straight line that represents the set of real numbers, with each point on the line corresponding to a unique real number, as shown in the given diagram above.
There's an unshaded or open circle on the number -1, and an arrow extending from zero to your right. This means that -1 is not included in the possible values of x. It also means the x is greater than -1.
Therefore, the inequality is: D. x > -1.
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Colton is building a new shed for his backyard. The shed has a right rectangular prism for the base and triangular prism for the roof component. Colton included the dimensions of the shed in his diagram.
1.) How much can Colton store inside the new shed? Explain your reasoning.
2.) Colton wants to paint the outside of the shed including the door to match his house. Explain how much paint Colton will need to paint the shed.
3.) A gallon of paint covers 200 square feet and cost $16.99.
-How many cans of pain are needed?
-How much will it cost Colton to paint the shed?
The volume Colton store inside the new shed is 640 cubic feet.
We are given that;
length=10, width=8, height=6
Now, we can calculate the volumes of each part:
Volume of base prism = lwh Volume of base prism = (10)(8)(6) Volume of base prism = 480 cubic feet
Volume of roof prism = Bh Volume of roof prism = (0.5)(8)(4)(10) Volume of roof prism = 160 cubic feet
Volume of shed = Volume of base prism + Volume of roof prism Volume of shed = 480 + 160 Volume of shed = 640 cubic feet
Therefore, by the given prism the answer will be 640 cubic feet.
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can you answer this question for me it is shown in the picture
The slope of the line is given as follows:
m = -1/8.
How to define a linear function?The slope-intercept representation of a linear function is given by the equation shown as follows:
y = mx + b
The coefficients m and b have the meaning presented as follows:
m is the slope of the function, representing the increase/decrease in the output variable y when the input variable x is increased by one.b is the y-intercept of the function, representing the numeric value of the function when the input variable x has a value of 0. On a graph, it is the value of y when the graph of the function crosses or touches the y-axis.From the table, we have that when x increases by 8, from x = -16 to x = -8, y decays by one, from y = 8 to y = 7, hence the slope m is given as follows:
m = -1/8.
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What is the Surface Area of the cube below?
Answer:
294
Step-by-step explanation:
First, we can find the area of one of the cube's sides.
A = length × width
A(side) = 7 × 7
A(side) = 49
We know that a cube has 6 sides. Therefore, to get the surface area of the cube, we can multiply the area of 1 side by 6.
SA = A(side) × 6
SA = 49 × 6
SA = 294
which ordered pair is a solution to the followung system of inequalities?
y< -x2 + x
y>x2 - 4
(0,-1)
(1,1)
(2,-3)
(3,-6)
The only ordered pair that is a solution to the given system of inequalities is (0, -1).
What is inequalities?Inequalities are mathematical statements that describe a relationship between two values or expressions that are not necessarily equal. In an inequality, the symbols "<" (less than), ">" (greater than), "≤" (less than or equal to), "≥" (greater than or equal to), or "≠" (not equal to) are used to indicate the relationship between the expressions.
In the given questions,
To determine if an ordered pair is a solution to a system of inequalities, we must check if the pair satisfies all the inequalities in the system.
For the given system of inequalities:
y < -x² + x
y > x² - 4
Checking each of the given ordered pairs:
(0, -1):
-1 < -0² + 0 is true
-1 > 0² - 4 is true
So, (0, -1) is a solution to the system of inequalities.
(1, 1):
1 < -1² + 1 is false
1 > 1² - 4 is true
So, (1, 1) is not a solution to the system of inequalities.
(2, -3):
-3 < -2² + 2 is true
-3 > 2² - 4 is false
So, (2, -3) is not a solution to the system of inequalities.
(3, -6):
-6 < -3² + 3 is false
-6 > 3² - 4 is false
So, (3, -6) is not a solution to the system of inequalities.
Therefore, the only ordered pair that is a solution to the given system of inequalities is (0, -1).
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The circle below has a center at point and a radius of 4.5 cm. Find the measurement of the line segments that you can determine. For any one you cannot determine, explain your reasoning why.
For the given figure the measurement or lengths are:
AB = 4.5 cm.
ED = 9 cm.
DF = cannot be determined since it is a chord and it needs more information.
CA = 4.5 cm.
We have the radius of the given circle is 4.5 cm.
Now we have to find the lengths of the mentioned line segment from the circle figure.
A is the center of the circle and B is a point on circumference of circle.
So, AB is a radius of the circle. So, AB = 4.5 cm.
Now, E and D are two points on circumference of circle and segment ED passes through the center A.
So, ED is a diameter for the circle.
We know that Diameter = 2*Radius
So, ED = 2*4.5 = 9 cm.
F and D are two points on circumference of circle but segment DF does not pass through the center A. So it is not diameter it is a general chord.
So we cannot determine this due to inadequate information.
A is the center of the circle and C is a point on circumference of circle.
So, CA is a radius of the circle. So, CA = 4.5 cm.
Hence, AB = 4.5 cm.; ED = 9 cm.; DF = cannot be determined; CA = 4.5 cm.
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The question is incomplete. The complete question will be -
"The circle below has a center at point A and a radius of 4.5 cm.
Find the measurement of the line segments that you can determine. For anyone you cannot determine, explain your reasoning why.
Segment AB
Segment ED
Segment DF
Segment CA"