Answer:
-60
Step-by-step explanation:
85 POINTS ASAP 85 POINTS ASAP Polygon ABCD with vertices at A(1, −1), B(3, −1), C(3, −2), and D(1, −2) is dilated to create polygon A′B′C′D′ with vertices at A′(2, −2), B′(6, −2), C′(6, −4), and D′(2, −4). Determine the scale factor used to create the image.
one fourth
one half
2
4
The scale factor used to create the image include the following: C. 2.
What is a scale factor?In Mathematics and Geometry, a scale factor can be calculated or determined through the division of the dimension of the image (new figure) by the dimension of the original figure (pre-image).
Mathematically, the formula for calculating the scale factor of any geometric object or figure is given by:
Scale factor = side length of image/side length of pre-image
By substituting the given side lengths or dimensions into the formula for scale factor, we have the following;
Scale factor = 2/1
Scale factor = 2.
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Rafael finished the Boston Marathon ( 26. 2 miles) in 4. 75 hours. At this pace, how long would it take him to run a 50 mile marathon in Washington D. C?
It would take Rafael approximately 9.05 hours to run a 50-mile marathon in Washington D.C. at the same pace he ran the Boston Marathon.
What is distance?
Distance is the measure of how far apart two objects or locations are from each other. It is usually measured in units such as meters, kilometers, miles, or feet.
To solve this problem, we can use the concept of the average speed or pace, which is given by the formula:
pace = time / distance
where pace is the time it takes to cover one unit of distance (e.g., one mile), time is the time taken to cover the distance, and distance is the distance covered.
We can rearrange this formula to find the time it would take to cover a given distance at a given pace:
time = pace * distance
Using this formula, we can find the pace at which Rafael ran the Boston Marathon:
pace = time / distance
pace = 4.75 hours / 26.2 miles
pace = 0.181 hours/mile
Now we can use this pace to find the time it would take Rafael to run a 50-mile marathon:
time = pace * distance
time = 0.181 hours/mile * 50 miles
time = 9.05 hours
Therefore, it would take Rafael approximately 9.05 hours to run a 50-mile marathon in Washington D.C. at the same pace he ran the Boston Marathon.
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Jackson takes a marker and draws an arrow at the top of his yo-yo, pointing it toward the string when it is all wound up. The location of the arrow on the yo-yo can be represented by a cosine function.
Answer:
Step-by-step explanation:
see it simple it's not asking quite much if I do my calculation right it would be 8[tex]\pi[/tex]
PLEASE HELP ASAP WITH EXPLANATION AND ANSWER
Answer: 3.45meters
Step-by-step explanation:
To find the range of the length of pipe that the plumber can cut, we need to write an absolute value inequality that expresses the condition that the length of the pipe must be within 0.09 meters of the required length. Let's call the required length L.
The plumber can cut a pipe that is within 0.09 meters of the required length, so the length of the pipe must be between L - 0.09 and L + 0.09. We can express this as:
|3.36 - L| ≤ 0.09
To solve this inequality, we need to consider two cases: when 3.36 - L is positive and when it is negative.
Case 1: 3.36 - L ≥ 0
In this case, the absolute value of 3.36 - L is equal to 3.36 - L. So we can write:
3.36 - L ≤ 0.09
Solving for L, we get:
L ≥ 3.36 - 0.09
L ≥ 3.27
Therefore, if 3.36 - L is positive, the length of the pipe must be greater than or equal to 3.27 meters.
Case 2: 3.36 - L < 0
In this case, the absolute value of 3.36 - L is equal to -(3.36 - L), or L - 3.36. So we can write:
L - 3.36 ≤ 0.09
Solving for L, we get:
L ≤ 3.36 + 0.09
L ≤ 3.45
Therefore, if 3.36 - L is negative, the length of the pipe must be less than or equal to 3.45 meters.
Putting these two cases together, we get:
3.27 ≤ L ≤ 3.45
Therefore, the range of the length of pipe that the plumber can cut is between 3.27 meters and 3.45 meters.
Find the value of X. If a segment looks like a tangent, it is a tangent
Using the laws of outside angle, we can find the value of the angle x° to be = 77°.
Define outside angle theorem?The measure of an exterior angle is equal to the sum of the measures of the two distant interior angles of the triangle, according to the external angle theorem. According to the exterior angle inequality theorem, any triangle's outside angle has a measure bigger than either of its opposing interior angles.
Here in the question,
The measure of the 2 arcs is given as 85° and 172°.
The measure of the 3rd arc that is subtended by the tangents is:
360° - 85° - 172°
= 103°
As per the outside angle theorem,
x° = 180° - 103°
= 77°
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what is the total amount of water that Kiesha drinks during the 12 days
The total amount of water Keisha drinks in 12 days is 12 + 18 = 30 quarts.
Describe Algebra?Algebra is a branch of mathematics that involves using letters and symbols to represent numbers and quantities in mathematical equations and formulas. It includes a variety of topics, such as solving equations, manipulating expressions, working with functions and graphs, and studying abstract structures such as groups and rings.
At its core, algebra is about understanding the relationships between numbers and how they can be manipulated using various operations such as addition, subtraction, multiplication, and division. Algebraic expressions can be used to model real-world situations and solve problems in fields such as physics, engineering, and finance.
To find the total amount of water Keisha drinks in 12 days, we need to add up the amounts of water she drinks each day:
1 1/2 + 2 1/4 + 2 + 1 1/2 + 1 3/4 + 1 1/2 + 1 1/4 + 2 + 2 1/4 + 1 1/2 + 2 + 1 1/2
We can simplify the mixed numbers by converting them to improper fractions:
3/2 + 9/4 + 2 + 3/2 + 7/4 + 3/2 + 5/4 + 2 + 9/4 + 3/2 + 2 + 3/2
Then we can add the fractions together:
(3/2 + 3/2 + 3/2 + 2 + 2 + 2) + (9/4 + 7/4 + 5/4 + 9/4 + 3/2 + 3/2)
Simplifying the sum of the whole numbers, we get:
12
Simplifying the sum of the fractions, we get:
(18/4 + 14/4 + 10/4 + 18/4 + 6/4 + 6/4) = 72/4 = 18
So the total amount of water Keisha drinks in 12 days is:
12 + 18 = 30 quarts.
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The complete question is:
For 12 days, Keisha keeps track of how much water she drinks per day. 1 1/2 quarts, 2 1/4 quarts, 2 quarts, 1 1/2 quarts, 1 3/4 quarts, 1 1/2 quarts, 1 1/4 quarts, 2 quarts, 2 1/4 quarts, 1 1/2 quarts, 2 quarts, 1 1/2 quarts. What is the total amount of water that Keisha drinks the 12 days?
How can you write the explicit rule for a geometric sequence if your know the recursive rule for the sequence?
The explicit formula for nth term geometric sequence is aₙ = a x rⁿ⁻¹.
let a geometric series is of the form
a, a², a³, a⁴ a⁵, ....
where a₁ = a = first term and other terms are obtained by multiplying by
r.
Now, each term is r times of previous term.
So, to get the nth term we have to multiply (n-1) by r.
Thus, the explicit formula for nth term geometric sequence is
aₙ = a x rⁿ⁻¹
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pepsi for a sales promotion the manufactuere places winning symbols under the caps of 10% of all pepsi bottles you buy a six pack what is the probability that you win something
The probability of winning something from the Pepsi sales promotion with winning symbols under the caps of 10% of all Pepsi bottles in a six-pack is 46.9%.
The probability of winning something from the Pepsi sales promotion depends on the total number of bottles in the six-pack and the percentage of bottles with winning symbols under the caps.
Assuming that the six-pack contains six bottles, and 10% of all Pepsi bottles have winning symbols under the cap, the probability of winning something from the promotion can be calculated using the following formula:
Probability of winning = Number of bottles with winning symbols / Total number of bottles
Since 10% of all Pepsi bottles have winning symbols, the probability of finding a winning symbol under one bottle cap is 10%. Therefore, the probability of winning from a six-pack is the same as finding at least one winning bottle cap in six bottles.
To calculate the probability of winning, we can use the complement rule, which states that the probability of an event occurring is equal to one minus the probability of the event not occurring.
So, the probability of not winning from a single bottle is 1 - 0.1 = 0.9. The probability of not winning from all six bottles is 0.9^6 = 0.531. Therefore, the probability of winning something from a six-pack is 1 - 0.531 = 0.469 or 46.9%.
In conclusion, the probability of winning something from the Pepsi sales promotion with winning symbols under the caps of 10% of all Pepsi bottles in a six-pack is 46.9%. This means that nearly half of the customers who buy a six-pack are likely to win something from the promotion.
However, it is important to note that this probability may vary depending on the total number of bottles and the percentage of winning symbols used in the promotion.
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I need help with at least one of these questions (maybe all ) *geometry tangents in circles*
Using Pythagoras Theorem, we have the solutions as:
3) Length of AB = 32 in
4) x = 24
5) Perimeter of PRQ = 35
How to use Pythagoras Theorem?Pythagoras Theorem is the way in which you can find the missing length of a right angled triangle.
3) Using Pythagoras theorem, we can say that:
Radius = √(16² - 5²)
Radius = √231
Radius = 15.2
Thus, AB will be twice the measurement of 16 as the perpendicular distance to bth chords are the same. Thus:
AB = 16 * 2 = 32 in
4) Using Pythagoras theorem,
x = √((18 + 7)² - 7²)
x = √(625 - 49)
x = 24
5) Using Pythagoras theorem, we can say that:
PC = 8.66
RC = √((14² - 8.66²)
RC = 11
Thus:
Perimeter of PRQ = 14 + 10 + 11 = 35
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2a. complete the table for values for the equation y=3x+4 X0 1 2 Y b. Plot the coordinates from the table. Join them with a straight line. Extend your straight line to y=-2 d. Write three pairs of negative x- and y-coordinates that lie on the line y = 3x + 4. 4 5x
Y = 3(-3) + 4 = -5 when x is equal to 3. Hence, the final set of negative x- and y-coordinates is (-3, -5).
what is coordinates ?A set of numbers known as coordinates describes a point or object's location in a given space or coordinate system. When representing a spot's location in a plane or three-dimensional space, coordinates are frequently expressed as x or triples in mathematics. Depending also on system being utilised, several values can be used to represent coordinates, although often, integers or real numbers are used to express them.
given
We can substitute negative values for x and solve for y to obtain three pairs of negative x and y coordinates that lie on the line y = 3x + 4.
With x = 1, y = 3(-1), plus 4, equals 1. Hence, one set of negative x and y coordinates is (-1, 1).
Y = 3(-2) + 4 = -2 when x is equal to 2. In light of this, another set of negative x- and y-coordinates is (-2, -2).
Y = 3(-3) + 4 = -5 when x is equal to 3. Hence, the final set of negative x- and y-coordinates is (-3, -5).
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Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. Release your mouse button when the item is place. If you change your mind, drag the item to the trashcan. Click the trashcan to clear all your answers.
Factor completely and then place the factors in the proper location on the grid.
81a2 + 36a + 4
When we factor the expression, we are going to obtain the result;
9a(9a + 4) + 4
How do you factor an expression?Factoring an expression involves breaking it down into simpler parts that can be multiplied together to obtain the original expression. The specific method used to factor an expression depends on the type of expression.
It's important to note that factoring can sometimes be a challenging process, and not all expressions can be factored using real numbers.
We can carry out this factorization by the use of the nesting method, Hence;
81a^2 + 36a + 4
(81a^2 + 36a ) + 4
9a(9a + 4) + 4
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help what do i put in the box
The value of x, obtained using the property of bisected angles is 10
What are bisected angles?Bisected angles are angles that are split by a line segment in two to create two angles of the same measure.
The specified information indicates;
[tex]\overrightarrow{GI}[/tex] bisects ∠DGH
m∠DGI = x - 3
m∠IGH = 2·x - 13
The angle addition postulate indicates that we get;
m∠DGH = m∠DGI + m∠IGH
The definition of the bisected angle ∠DGH indicates that we get;
∠DGI = ∠IGH
Therefore;
x - 3 = 2·x - 13
2·x - 13 = x - 3
2·x - x = 13 - 3 = 10
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A large Ferris wheel has a diameter of 90 meters and the top of the wheel is 102 meters above the ground. The Ferris wheel has 36 passenger capsules spaced evenly along the wheel. The diagram below shows 10 of the Ferris wheel capsules arranged such that the center of the wheel is at point C, the capsule at point M is at the same height as the center of the wheel, and the capsule at point T is at the very top of the wheel.
The height of the center of the Ferris wheel 51 m.
The height of capsule M is 51 m and the height of capsule T is 102 m.
What is the height of the wheel?
Using this information, we can calculate the height of the center of the Ferris wheel, the height of capsule M, and the height of capsule T.
Height of the center of the Ferris wheel:
The center of the Ferris wheel is the midpoint of its diameter. Therefore, the height of the center of the Ferris wheel is half of the height of the top of the wheel above the ground.
Height of center of Ferris wheel = 102 meters / 2 = 51 meters.
Height of capsule M:
Since capsule M is at the same height as the center of the Ferris wheel, the height of capsule M is also 51 meters.
Height of capsule T:
Since capsule T is at the very top of the Ferris wheel, its height above the ground is equal to the height of the top of the Ferris wheel above the ground.
Height of capsule T = 102 meters.
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Which of the values in the set {1, 2, 3, 4} is a solution to the equation 3x + 3 = 15? (4 points) Group of answer choices 1 3 4 2
4 is the correct value from the set {1, 2, 3, 4} which is the solution to the equation 3x + 3 = 15.
What is a solution of an equation?A solution of an equation refers to a value or values that satisfy the given equation. It is the value or values that make the equation true when substituted for the variable(s) in the equation. Equations are mathematical expressions that contain an equals sign and can have one or more variables. A solution is typically represented as a number, but it can also be a set of numbers, a range of values, or an expression. Finding the solutions of an equation is an important part of solving mathematical problems and has many practical applications in fields such as engineering, physics, and finance.
Solution of the given equation 3x + 3 = 15 means when we put a value in x we should get the result as 15, that is left hand side of the equation should be equal to the right hand side of the equation.
Solving the equation we get,
3x + 3 - 3 = 15 - 3
3x = 12
x = 4
Therefore, the value 4 is a solution to the equation.
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Share oranges among three boys so that the first gets twice more oranges than the second and the second gets twice the third's amount of the third. What is each boy's share? l
The calculated value of each boy's share is shown below
Let's call the amount of oranges the third boy gets "x".
According to the problem, the second boy gets twice the amount of oranges as the third boy, so he gets 2x oranges.
And the first boy gets twice more oranges than the second boy, so he gets 2(2x) = 4x oranges.
So the total number of oranges is x + 2x + 4x = 7x, and we need to divide this equally among the three boys.
Therefore, the first boy gets 4/7 of the total oranges, which is 4x/3, the second boy gets 2/7 of the total oranges, which is 2x/3 and the third boy gets 1/7 of the total oranges, which is x/3.
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Simplify [tex]\frac{\sqrt 7 + \sqrt 3}{2\sqrt 3 - \sqrt 7}[/tex]
The simplified rational expression for this problem is given as follows:
[tex]\frac{3\sqrt{21} + 13}{12}[/tex]
How to simplify the rational expression?The rational expression in the context of this problem is defined as follows:
[tex]\frac{\sqrt{7} + \sqrt{3}}{2\sqrt{3} - \sqrt{7}}[/tex]
The first step in simplifying the expression is removing the root from the denominator, multiplying numerator and denominator by the conjugate, as follows:
[tex]\frac{\sqrt{7} + \sqrt{3}}{2\sqrt{3} - \sqrt{7}} \times \frac{2\sqrt{3} + \sqrt{7}}{2\sqrt{3} + \sqrt{7}}[/tex]
Applying the subtraction of perfect squares, the denominator is given as follows:
2² x 3 - 7 = 12.
The numerator is:
[tex](\sqrt{7} + \sqrt{3})(2\sqrt{3} + \sqrt{7}) = 2\sqrt{21} + 7 + 6 + \sqrt{21} = 3\sqrt{21} + 13[/tex]
Thus the simplified expression is:
[tex]\frac{3\sqrt{21} + 13}{12}[/tex]
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Cameron completed a 74 kilometer cycling race at an average speed of 11.84km/h.
How long did he take to complete the race? Give your answer in hours and minutes.
Which polynomial represents the difference below?
(7x² + 8) - (4x²+x+6)
A. 3x²+x+14
OB. 3x²-x+2
OC. 11x²-x+ 2
OD. 11x²+x+14
SUBMIT
Nicholas splits 27 green markers equally into 9 cups. He then splits 18 yellow markers equally into the same 9 cups. How many markers are in each cup?
There are 5 markers in each cup
How to calculate the number of markers in each cup?Nicholas splits 27 green markers equally into 9 cups
Hence the number of green markers in one cup is
= 27/9
= 3
He then spilt 18 yellow markers equally into the same 9 cups
The number of yellow markers in one cup is
= 18/9
= 2
The total number of markers in each cup is
= 3 + 2
= 5
Hence there are 5 markers in each cup
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Sev set a goal to run 13 miles in a week. sev ran 1.4 per day for 3 days and 2.4 miles for 2 days. how many more miles does sev need to run to meet her goal of 18 miles.
Sev needs to run 9 miles as per the below calculations to complete his target.
The target that Sev needs to achieve is 18 miles in a week. A week has 7 days. Sev is already done running for 5 days.
Day 1: 1.4 miles
Day 2: 1.4 miles
Day 3: 1.4 miles
Day 4: 2.4 miles
Day 5: 2.4 miles
Thus, Sev has run for 1.4*3 = 4.2 miles in the first 3 days.
Sev has run for 2.4*2 = 4.8 miles in the last 2 days.
So far, she has run 4.2 + 4.8 = 9 miles. Since her goal is to run 18 miles, she needs to run an additional: 18 - 9 = 9 miles to meet her goal.
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A 35 foot ladder is set against the side of a house so that it reaches up 21 feet. If Elijah grabs the ladder at its base and pulls it 4 feet farther from the house, how far up the side of the house will the ladder reach now? (The answer is not 17 ft.) Round to the nearest tenth of a foot.
The side of the house which the ladder will reach now is equal to 14.2 feet.
What is Pythagorean theorem?In Mathematics and Geometry, Pythagorean's theorem is represented or modeled by the following mathematical equation:
x² + y² = z²
Where:
x, y, and z represents the length of sides or side lengths of any right-angled triangle.
In order to determine how far up the side of the house will the ladder reach, we would have to apply Pythagorean's theorem as follows;
21² + y² = 35²
y² = 1,225 - 441
y² = 784
y = √784
y = 28 feet.
Since Elijah grabs the ladder at its base and pulls it 4 feet farther from the house, we have:
New Length = 28 + 4 = 32 feet.
Therefore, the required length is given by;
Distance = √(35² - 32²)
Distance = 14.2 feet.
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uppose we have the anova results from an experiment to compare yields (as measured by dried weight of plants) obtained under a control and two different treatment conditions. calculate the mean square treatment
Answer: To calculate the mean square treatment (MST), we need to have the sums of squares for treatment (SST) and the degrees of freedom for treatment (dfT).
Assuming that there are k treatment groups and a total of n observations, we can calculate SST and dfT as follows:
SST = Σ(xi - x_bar)^2 - Σ(yi - y_bar)^2 / n
where xi is the dried weight of plants for the i-th treatment group, x_bar is the mean dried weight of plants for all treatments combined, yi is the dried weight of plants for the control group, and y_bar is the mean dried weight of plants for the control group.
dfT = k - 1
Once we have calculated SST and dfT, we can find MST by dividing SST by dfT:
MST = SST / dfT
Note that SST is the sum of squares for treatment, which represents the variation in the response variable that is due to the different treatment conditions. MST represents the average amount of variation in the response variable that can be attributed to the treatment conditions.
Without knowing the specific values for the dried weight of plants, it is not possible to calculate SST and dfT, and therefore the MST.
Step-by-step explanation:
PLEASE HELP AND SHOW WORK! EXPLAIN HOW YOU GOT THE ANSWER I WILL MARK YOU BRAINLIEST
Answer: The formula for the volume of a cone is V=1/3hπr²
Step-by-step explanation: The volume or capacity of a cone is one-third of its corresponding cylinder. This means that when a cone and a cylinder have the same base dimension and height, the volume of the cone is one-third of the volume of the cylinder.
which graph shows the solution to the system of linear equations?
y = 1/3x
x + 3y = 6
Answer:
The top right graph shows the solution to this system of linear equations.
Last year Liz bought a book for $10. This year the same book is on sale for $5. What was the percent of change?
The percent of change in the price of the book is 50%.
To calculate the percent of change, we first need to find the difference between the original price and the new price. In this case, the original price of the book was $10, and the new price is $5. To find the difference, we can subtract the new price from the original price, which is:
$10 - $5 = $5
Now, we need to express this difference as a percentage of the original price. To do this, we divide the difference by the original price and then multiply by 100. In other words, we need to find the percentage that the original price has changed by. This can be represented mathematically as:
Percent of change = (Difference / Original price) x 100
Plugging in the values we found earlier, we get:
Percent of change = ($5 / $10) x 100
Percent of change = 0.5 x 100
Percent of change = 50%
This means that the price of the book has decreased by 50% from the original price of $10 to the sale price of $5.
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The manager of a local nursery wants to know which types of plants his customers buy most often. What is the population from which the manager should choose a sample to answer her question?
A. The first 25 adults who come into the nursery during one business day.
B. The list of customers who purchased plants from the nursery.
C. Every adult who enters the nursery during one business day.
D. Subscribers to a gardening magazine.
The population from which the manager should choose a sample to answer her question is: B. The list of customers who purchased plants from the nursery.
How to distinguish between population and sample?A population is a term that goes by the definition of it being the entire group that we specifically intend to get conclusions about. Meanwhile, we ca sample is defined as the specific group that you will collect data from. The size of the given sample is normally always less than that of the total size of the given population. In research, it is noticed that a population doesn't always mean we are referring to people.
Now, we are told that the manager wants to know which types of plants his customers buy most often.
Looking at the options, the most appropriate population from which a sample could be gotten from is the list of customers who purchased plants from the nursery.
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What is the equation of this circle in general form?
Responses
x2+y2−2x−6y−26=0
x squared plus y squared minus 2 x minus 6 y minus 26 equals 0
x2+y2+2x+6y−26=0
x squared plus y squared plus 2 x plus 6 y minus 26 equals 0
x² + y² + 2x + 6y + 4 = 0
x, ² +, y, ² + 2, x, + 6, y, + 4 = 0
x2+y2−2x−6y+4=0
Answer: for future k-12 kids :)
Step-by-step explanation:
Answer:
(a) x² +y² -2x -6y -26 = 0
Step-by-step explanation:
You want the equation for the circle with center (1, 3) and radius 6 written in general form.
Circle equationThe standard form equation for a circle with center (h, k) and radius r is ...
(x -h)² +(y -k)² = r²
The radius and center are found from the graph, attached. For the circle centered at (h, k) = (1, 3) and radius r = 6, this is ...
(x -1)² +(y -3)² = 6²
Expanding this equation gives ...
x² -2x +1 +y² -6y +9 = 36
Written in general form, the equation becomes ...
x² +y² -2x -6y -26 = 0 . . . . matches choice A
__
Additional comment
There is an image of this question showing the correct answer choice is the third one. However, that answer choice shows up first on this instance of the question. You will need to read and compare answer content to make sure you have the correct choice. You cannot go by the order of the the answers.
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As association class is frequently required for what kind of relationship?
a. zero to one c. many to many
b. one to many d. zero to many
An association class is frequently required for a many-to-many relationship.
In object-oriented programming, an association class is a class that is used to represent an association between two or more other classes. An association class is typically used when the relationship between the other classes is many-to-many, which means that each instance of one class can be associated with multiple instances of another class, and vice versa.
For example, consider a database that stores information about students and the courses they are enrolled in. Each student can be enrolled in multiple courses, and each course can have multiple students.
To represent this many-to-many relationship between students and courses, we can create an association class called "Enrollment" that has attributes such as the date of enrollment and the grade received. The Enrollment class would have a many-to-one relationship with both the Student class and the Course class.
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An association class is frequently required for a "c. many to many" relationship. therefore, option c. many to many is correct.
In this type of relationship, multiple instances of one class can be associated with multiple instances of another class.
The association class helps to capture additional information about the relationship between these instances.
An association class is most commonly required for a many-to-many relationship between two classes.
a relationship that explains the causes of the relationship and the rules that control it between two classifiers, such as
classes or use cases.
An association class is frequently required for a "c. many to many" relationship. therefore, option c. many to many is correct.
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Brandon has $95,512 in a savings account that earns 5% interest per year. The interest is not compounded. How much will he have in total in 9 months?
Please help me! Circle L has points T, P, R, and S on the circle. Secant lines TQ and SQ intersect at point Q outside the circle. The mST = (3x - 19)°, mPR = (x +25)°, and mLPQR = 32°
In circle L in which secant lines TQ and SQ intersect at point Q outside the circle value of x = 54°, m ST = 143°, m PR = 79°
∠PQR = 1/2( ST - PR)
∠PQR = 32°
m ST = (3x - 19)°
m PR = (x + 25)°
Putting the value in the equation we get
32 = 1/2( 3x - 19 - (x + 25) )
32 × 2 = 3x -19 -x -25
64 = 2x - 44
64 + 44 = 2x
108 = 2x
x = 54°
m ST = (3x - 19)°
m ST = 3(54) -19
m ST = 162 - 19
m ST = 143°
m PR = (x + 25)°
m PR = 54 + 25
m PR = 79°
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