Answer:
x < 1.175
Step-by-step explanation:
-0.4x + 1.27 > 0.8
-0.4x > -0.47
x < 1.175
A certain number is increased by 6 and then multiplied by 4. This equals 94.
Answer:
22
i took this one
Answer:
17.5
Step-by-step explanation:
94 divided by 4 is 23.5 and I subtracted 6 from 23.5
Which trapezoid is not isosceles
Answer:
D) a trapezoid with congruent diagnols
Explanation:
When none of the sides of a trapezoid are congruent, then it is a non isosceles trapezoid or a scalene trapezoid.
i need help please help me
The following are the correct vertical translation and you can use this information to fill the table in the picture:
sqrt{x+5} - shift down 5 units2 - sqrt{x-4} - shift up 2 unitssqrt{x+3} + 1 - shift up 1 unitsqrt{x+4} + 3 - shift up 3 unitssqrt{x-2} - 3 - shift down 3 units3sqrt{x} - 1 - no shiftsqrt{x} + 2 - shift up 2 unitssqrt{x} - 3 - shift down 3 units3sqrt{x-4} - no shiftsqrt{x+6} - no shiftWhat to know about Vertical TranslationA vertical translation refers to a type of transformation that moves a function or graph vertically up or down without changing its shape. Specifically, a vertical translation of distance c is given by the function:
f(x) + c
where f(x) is the original function and c is a constant that determines the amount and direction of the translation. If c is positive, the graph of the function is shifted upwards; if c is negative, the graph is shifted downwards.
For example, the function f(x) = x^2 has a graph that is a parabola opening upwards. If we apply a vertical translation of 2 units, the resulting function is:
f(x) + 2 = x^2 + 2
The graph of this function is also a parabola, but it has been shifted vertically upwards by 2 units. Similarly, a vertical translation of -3 units would give us the function f(x) - 3 = x^2 - 3, which is the same parabola shifted downwards by 3 units.
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At 2:48 what is the degree measure of the smaller angle formed by the hour and minute hands of a 12-hour clock? - Please help, I have 10 minutes
The degree measure of the smaller angle formed by the hour and minute hands of a 12-hour clock at 2:48 is 85 degrees.
The hour hand is between the 2 and the 3, and since it's 2:48, it's closer to the 3. To be more precise, it's at 2.8 on the clock face .
The minute hand is pointing at the 8, as it's 48 minutes past the hour.
To find the angle between the hands, we need to find the difference between their positions and multiply it by 30 .
So the angle formed by the hour and minute hands at 2:48 is:
| 30 × (2.8/12 - 8) | = | -85 | = 85 degrees.
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HELP ASAP ON TIME LIMIT !!
Add.
(4d + 7) + (4d² + 8d + 9)
The expression (4d + 7) + (4d² + 8d + 9) simplifies to 4d² + 12d + 16.
Adding the expressionsfrom the question, we have the following parameters that can be used in our computation:
(4d + 7) + (4d² + 8d + 9)
We can simplify the expression by combining like terms:
(4d + 7) + (4d² + 8d + 9) = 4d² + (4d + 8d) + (7 + 9)
= 4d² + 12d + 16
Therefore, (4d + 7) + (4d² + 8d + 9) simplifies to 4d² + 12d + 16.
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The box plots show a random sample of wait times for two more rides at the theme park. 4) Compare the wait times in the box plots. > The median wait time for Thrill Tower is 5 minutes shorter than the median wait time for River Rapids. The IQR for both rides is ? minutes. Wait Times for Rides Thrill Tower 6 8 River Rapids 12 10 Time (min) 14 16
The IQR for both runs is 8 minutes.
What is the interquartile range?If there are outliers or extreme values in the data set, we summarize the typical value using the median instead of the mean. When there are outliers in a data set, the variation is often summarized by a statistic called the interquartile range, which is the difference between the first and third quartiles.
Based on the given box pairs, we can make the following comparisons:
The average wait time at Thrill Tower is about 5 minutes shorter than the average wait time at River Rapids. That's because the centerline of Thrill Tower is about 5 units below the centerline of River Rapids. The IQR (interquartile range) for both times is not directly in the box. However, we can estimate this by finding the distance between the first quartile (Q1) and the third quartile (Q3) of each run. From the box plot of Thrill Tower, we can see that Q1 is around 6 and Q3 is around 14. Therefore, the IQR for Thrill Tower is:
Thrill Tower IQR = Q3 - Q1 = 14 - 6 = 8 minutes
From the box plot for River Rapids, we can see that Q1 is about 8 and Q3 is about 16. Therefore, the IQR for River Rapids is:
River Rapids IQR = Q3 - Q1 = 16 - 8 = 8 minutes
Therefore, the IQR for both runs is 8 minutes.
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Answer: HERE IS THE ANSWER BELOW :)
PLEASE HELP! SHOW WORK AND EXPLAIN ON HOW YOU GOT THE ANSWER! I WILL MARK YOU BRAINLIEST IF YOU DO!
The value of the surd form √14 is 3. 74
What is square root?The square root of a number is a value that, when multiplied by itself, equals the original number.
It is represented by the symbol √ and is a way to find the side length of a square given its area or the length of a diagonal in a right triangle.
From the information given, we have that;
The expression is √14
We can see that the value √14 is a surd which can no longer be simplified into a whole or rational number.
To determine the square root, we use the calculator
√14
3. 7416
In the nearest tenth, we get;
3. 74
Hence, the value is 3. 74
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I need help mad fast
The correct vocab in written as;
DC = semi-circle
<ECD = minor arc
<ECF = point of tangency
CF = chord
How to determine the corresponding termsTo determine the corresponding terms, we need to take note of the following definitions;
Minor arc: It is defined as the shorter arc that connects two endpoints on a circle. It is usually less than 180 degreesMajor arc: It is defined as an arc that measures greater than 180 degrees.Semi- circle: It divides the circle into two equal halves and measures 180 degreesChord: it is defined as a straight line segment with both endpoints found on a circular arc.Learn about circles at: https://brainly.com/question/24375372
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what’s the answer to this? I need help pls ease
die
Step-by-step explanation:
write a function that models the total amount of money Julia has after x weeks use x
The function that models the total amount of money Julia has after x weeks is f(x) = 27x + 254
How to solve an equation?An equation is an expression that uses mathematical operations to show how numbers and variables are related to each other.
Let f(x) represent the total amount of money Julia has after x weeks.
Julia has $254 and saves $27 each week, hence:
f(x) = 27x + 254
The function is f(x) = 27x + 254
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-x² + 2x + x - 3x = -9 + 2 + 6
The solution for the equation -x² + 2x + x - 3x = -9 + 2 + 6 is derived to be x = 1
How to solve for the value of x in the equationWe shall solve for x by simplifying the equation and making x the subject as follows:
-x² + 2x + x - 3x = -9 + 2 + 6
-x² + 3x - 3x = 8 - 9
-x² = -1
multiply both sides by -1 we have;
x² = 1
take square root of both sides
x = √1
x = 1
Therefore, the equation -x² + 2x + x - 3x = -9 + 2 + 6 will have a solution for the value of x = 1
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Help it’s math it a picture
Answer:the first one
Step-by-step explanation:
Choose ALL answers that describe the quadrilateral LMNO if
ZL ZM≈ ZN≈ ZO.
O Parallelogram
Answer: Parallelogram
Step-by-step explanation: A parallelogram is a quadrilateral with opposite sides parallel. If ZL, ZM, ZN, and ZO are approximately equal, it implies that the opposite sides LM and NO are parallel, and the opposite sides LO and MN are also parallel.
It may not be a rectangle: While a parallelogram is a quadrilateral with opposite sides parallel, a rectangle is a special type of parallelogram with additional properties, such as all angles being right angles. The given information does not provide any information about the angles of the quadrilateral, so we cannot conclude that it is a rectangle.
It may not be a rhombus: A rhombus is a special type of parallelogram in which all sides are equal. The given information only states that the angles ZL, ZM, ZN, and ZO are approximately equal, but it does not provide any information about the lengths of the sides LM, LO, MN, or NO. Therefore, we cannot conclude that LMNO is a rhombus based solely on the given information.
Which scatter plot shows a positive linear association? A. Scatter plot graph in quadrant 1 of a coordinate plane. 11 points are plotted approximated at (2, 5), (1.5, 11.5), (3.1, 6.1), (4, 9), (5.9, 12.5), (7, 6), (7.5, 8.5), (8, 11), (8.9, 4.1), (9, 8), and (11, 10). B. Scatter plot in quadrant 1 of a coordinate plane. 14 points are plotted at (3, 11), (3, 12), (4, 11), (4.2, 11), (5, 10.8), (5.5, 12), (6, 10), (6.5, 11), (7, 9), (7.1, 6), (7.1, 7.5), (7.5, 9), (8, 7.5), and (8.1, 6.1). C. Scatter plot graph in quadrant 1 of a coordinate plane. 10 points are plotted at (2, 11), (2.5, 9), (3, 10), (4, 8), (5, 8.2), (5.5, 6.5), (6.5, 7), (6.5, 5), (8, 5.8), and (9, 4). D. Scatter plot graph in quadrant 1 of a coordinate plane. 10 points are plotted at (2, 3), (2.8, 4.2), (3.8, 3.2), (4, 4.7), (4, 6), (5, 5), (6, 8), (7, 7), (7.8, 9.2), and (8.9, 9.1).
So, from the given options, the scatter plot that shows a positive linear association is option B.
What is scatter plot?A scatter plot is a type of graph that displays the relationship between two variables. Each data point in the scatter plot represents a pair of values for the two variables being plotted, with one variable on the x-axis and the other on the y-axis. Scatter plots are used to examine the correlation or relationship between the variables. If the points on the scatter plot form a pattern that slopes upwards as you move from left to right, it indicates a positive linear association between the variables. If the pattern slopes downwards, it indicates a negative linear association. If there is no pattern or trend, it indicates no correlation between the variables.
Here,
A scatter plot that shows a positive linear association is one where the points on the graph form a pattern that goes upward and to the right.
In option A, the data points do not show a clear upward trend, so this scatter plot does not show a positive linear association.
In option B, there is a clear upward trend in the data points as you move from left to right, so this scatter plot does show a positive linear association.
In option C, the data points do not show a clear upward trend, so this scatter plot does not show a positive linear association.
In option D, the data points do not show a clear upward trend, so this scatter plot does not show a positive linear association.
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Solve for x. Round your answers to two decimal places. 3x2 + 2x = 6 a. x = 1.12 and x = −1.79 b. x = −1.12 and x = 1.79 c. x = 0.83 and x = −1.34 d. x = −0.83 and x = 1.34
The two solutions that satisfy the equation 3x^2 + 2x = 6 when rounded to two decimal places are x = 1.12 and x = −1.79. So, correct option is A.
To solve for x in the equation 3x^2 + 2x = 6, we need to rearrange the terms and use the quadratic formula:
3x^2 + 2x - 6 = 0 (subtract 6 from both sides)
x = (-b ± √(b^2 - 4ac)) / 2a (quadratic formula)
In this equation, a = 3, b = 2, and c = -6, so we can substitute those values into the quadratic formula:
x = (-2 ± √(2^2 - 4(3)(-6))) / 2(3)
x = (-2 ± √(4 + 72)) / 6
x = (-2 ± √(76)) / 6
Simplifying this expression, we get:
x = (-2 ± 2√(19)) / 6
x = (-1 ± √(19)) / 3
Rounding these solutions to two decimal places, we get:
x = -1.79 or x = 1.12
Therefore, the answer is (a) x = 1.12 and x = -1.79.
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Answer:
x = 1.12 and x = −1.79
Step-by-step explanation:
i got it right on my quiz
. provide a description for the standard error. what does it measure? b. what assumption are we making when calculating the standard error of the mean? 372 c. what would you recommend the researchers do next to reduce the standard error of their estimate of the mean home range size?
The standard error measures the variability of the sample mean from the true population mean. It represents the standard deviation of the sampling distribution of the mean and gives an estimate of how much the sample means will vary from one sample to another.
b. When calculating the standard error of the mean, we assume that the sample was randomly selected from the population, and that the sample size is large enough (usually, n > 30) for the central limit theorem to apply.
c. To reduce the standard error of their estimate of the mean home range size, researchers could increase the sample size, which will decrease the standard error by reducing the variability of the sampling distribution of the mean.
Alternatively, they could improve the precision of their measurements or reduce measurement errors to decrease the standard deviation of the sample, which will also decrease the standard error.
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1,436,492÷2 with steps please
The expression 1,436,492÷2 has a value of 718246 when evaluated because we divided the numbers
Evaluating the expression 1,436,492÷2From the question, we have the following parameters that can be used in our computation:
1,436,492÷2
The above statement is a quotient expression that divide the values of 1,436,492 and 2
Also, there is no need to check if there are like terms in the expression or not
This is because we are dividing the factors
So, we have
1,436,492÷2 = 718246
This means that the value of the expression is 718246
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If the temperature increases and the amount of water vapor in the air remains unchanged, how has the RH (relative humidity) changed?
When the temperature increases and the water vapor content in the air stays the same, the relative humidity decreases. This is because warmer air can hold more moisture than colder air, and therefore the ratio of the actual amount of water vapor in the air to the maximum amount of water vapor that the air can hold decreases as the air temperature increases.
Relative humidity depends on two factors: the amount of water vapor present in the air and the maximum amount of water vapor that the air can hold at a given temperature. As the temperature rises, so does the amount of water vapor that the air can hold, since warm air has more energy to hold the water molecules in vapor form. This reduces the ratio of the actual amount of water vapor in the air to the maximum amount of water vapor the air can hold, resulting in lower relative humidity.
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if you use the normal distribution to estimate the probability that score exceeds 100, would the answer be zero? why does your answer contradict the assumption of a normal distribution for score?
If you use the normal distribution to estimate the probability that score exceeds 100, the answer would be zero.
This is because a normal distribution is a continuous probability distribution, and the probability of any individual score, no matter how high or low, is always zero.
However, this answer contradicts the assumption of a normal distribution for scores because it implies that scores cannot exceed 100, which is not true. Scores can theoretically range from negative infinity to positive infinity, and in practice, there may be some scores above 100, especially if the measurement instrument is imprecise or the test is very difficult.
Therefore, if we observe scores that are higher than 100, it suggests that the assumption of a normal distribution may not be appropriate for the data, and we may need to use a different distribution or statistical model to estimate probabilities or make inferences about the scores.
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1 1/2 x 1 1/2 what is the answer for that equation?
Answer:
9/4.
Step-by-step explanation:
Hope this helps! =D
The figure is made up of a rectangle, 2 right triangles and a 3rd triangle.
What is the area of the figure?
Responses:
52 inches
136 inches
34 inches
46 inches
Answer: 136
Step-by-step explanation: it's the only big number
In a game, you can get 20 points, 10 points, 2 points. You calculated the expected value of the game; expected value = 5.6. If you play the game many times, how many points can you get on average?
Answer:
If the expected value of the game is 5.6, this means that on average you can expect to earn 5.6 points per game if you were to play the game many times. However, since the point values available in the game are 20, 10, and 2, you cannot earn exactly 5.6 points in any single game.
Instead, over many games, the average number of points you would earn per game would approach the expected value of 5.6. For example, if you played the game 100 times, you might earn 2000 points if you got 20 points every time, 1000 points if you got 10 points every time, or 200 points if you got 2 points every time. But if you averaged your points across all 100 games, the average should be close to the expected value of 5.6 points per game.
please explain your answer to the question in a step-by-step manner please.
If the mogav train travels at a consistent speed of 480 km/h for one fourth of an hour how far does the train travel
The train travels a distance of 120 kilometers.
To calculate the distance traveled by the train, we can use the formula:
Distance = Speed × Time
Given that the train travels at a consistent speed of 480 km/h and the time is one-fourth of an hour, we can substitute these values into the formula:
Distance = 480 km/h × (1/4) hour
To simplify the calculation, we can convert one-fourth of an hour to minutes. Since there are 60 minutes in an hour, one-fourth of an hour is equal to (1/4) × 60 minutes = 15 minutes.
Now, we can calculate the distance:
Distance = 480 km/h × (1/4) hour
= 480 km/h × (1/4) × 60 minutes / 60 (converting hours to minutes)
= 480 km/h × 15 minutes / 60
= 480 km/h × 0.25
= 120 km
Therefore, distance travelled by train is 120 kilometers.
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Jenny is building a kite, as show below.one of the crossbars is 50 1/2cm long and the other is 90 1/2 cm long,how much fabric does she need?
The amount of fabric that should be used to build a kite with the above given dimensions would be = 2,285.125cm²
How to calculate the area of a kite?To calculate the area of a kite the formula that should be used would be = 1/2 d1d2
where d1 = 50½cm
d2 = 90½cm
The area of the kite;
= 1/2 × 50.5×90.5b
= 4570.25/2
= 2,285.125cm²
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An electrician is running wire from the electric box on a house to a utility pole 85 feet away. The angle of elevation to the connection on the pole is 17°. How much wire does the electrician need? (Round your answer to two decimal places.)
ft
The electrician needs approximately 296.26 feet of wire.
What is trigonometry?The links between triangle's sides and angles are studied in the mathematic discipline known as trigonometry. It entails an examination of triangle's angles, lengths, and areas as well as their angles' mathematical properties (such as sine, cosine, and tangent).
According to question:The situation described can be modeled as a right triangle, where the wire from the electric box to the pole is the hypotenuse, and the angle of elevation is one of the acute angles. Let x be the length of the wire needed in feet.
Using trigonometry, we can write:
sin(17°) = opposite / hypotenuse
where the opposite side is the height of the connection on the pole above the ground. We can solve for the hypotenuse (the length of wire needed) as follows:
hypotenuse = opposite / sin(17°)
To find the opposite side, we can use the fact that the angle of elevation is 17° and the distance from the pole to the point on the ground directly beneath the connection is 85 feet. This distance is the adjacent side of the triangle, so we can write:
tan(17°) = opposite / 85
Solving for the opposite side, we get:
opposite = 85 tan(17°)
Substituting this into the formula for the hypotenuse, we get:
hypotenuse = (85 tan(17°)) / sin(17°)
hypotenuse ≈ 296.26 feet
Therefore, the electrician needs approximately 296.26 feet of wire.
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A company's monthly profit, P, from a product is given by P=-x+105x-1050, where x is the price of
product in dollars. What is the lowest price of the product, in dollars, that gives a monthly profit of $1550?
The lowest price of the product that gives a monthly profit of $1550 is $25.
How can we find the profit ?To find the lowest price of the product that gives a monthly profit of $1550, we can substitute P = 1550 into the profit equation P = -x + 105x - 1050 and solve for x.
P = -x + 105x - 1050
1550 = -x + 105x - 1050 (Substitute P = 1550)
1550 + x = 105x - 1050 (Add x to both sides)
x + 1050 = 105x - 1550 (Add 1550 to both sides)
1050 = 105x - x - 1550 (Rearrange terms)
1050 = 104x - 1550 (Combine like terms)
1050 + 1550 = 104x (Add 1550 to both sides)
2600 = 104x (Combine like terms)
2600/104 = x (Divide both sides by 104)
25 = x (Simplify)
So, the lowest price of the product that gives a monthly profit of $1550 is $25.
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can someone help me PLEASE BE CORRECT
The box plot represents the number of tickets sold for a school dance.
A horizontal line labeled Number of Tickets sold that starts at 11, with tick marks every one unit up to 25. The graph is titled Tickets Sold for A Dance. The box extends from 17 to 20 on the number line. A line in the box is at 19. The lines outside the box end at 12 and 24.
Which of the following is the appropriate measure of variability for the data, and what is its value?
The IQR is the best measure of variability, and it equals 3.
The range is the best measure of variability, and it equals 12.
The IQR is the best measure of variability, and it equals 12.
The range is the best measure of variability, and it equals 3.
The IQR is the best measure of variability, and it equals 3.
The appropriate measure of variability for the data in the box plot is the interquartile range (IQR), which is a measure of the spread of the middle 50% of the data.
From the box plot, we can see that the lower quartile (Q1) is located at 17, the upper quartile (Q3) is located at 20, and the median is located at 19. The IQR can be calculated as the difference between the upper and lower quartiles:
IQR = Q3 - Q1 = 20 - 17 = 3
Therefore, the IQR is 3 and it is the best measure of variability for the given data. The range, which is the difference between the maximum and minimum values (24 - 12 = 12), is not the best measure of variability in this case because it is affected by extreme values that may not be representative of the typical spread of the data.
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Justin paid
$10. 47
for a
6. 08
-
kg
bag of dog food. A few weeks later, he paid
$13. 88
for a
7. 48
-
kg
bag at a different store.
Find the unit price for each bag. Then state which bag is the better buy based on the unit price.
Round your answers to the nearest cent.
Unit price for the
6. 08
-
kg
bag:
$perkg
Unit price for the
7. 48
-
kg
bag:
$perkg
The better buy:The
6. 08
-
kg
bagThe
7. 48
-
kg
bagNeither (They have the same unit price)
The Unit-Price for first-bag is $1.72/kg and for second-bag is $1.86/kg, then the first-bag is cheaper compared to the second-bag with a unit-price.
The "Unit-Price" refers to the cost of dog food per kilogram. It is calculated by dividing the "total-cost" of the bag of dog-food by its weight in kilograms.
⇒ For the first bag of dog food:
The Cost is = $10.47,
The Weight is = 6.08 kg,
So, the Unit-Price is = Cost/Weight = $10.47/6.08 kg ≈ $1.72/kg,
⇒ For the second bag of dog food:
The Cost is = $13.88,
The Weight is = 7.48 kg,
So, the Unit Price will be = Cost/Weight = $13.88/7.48 kg ≈ $1.86/kg,
Based on the "unit-prices" calculated, the first bag of dog food has a unit price of $1.72 per kilogram, and the second bag has a unit price of $1.86 per kilogram.
Therefore, the first bag of dog food is the better-buy as it is cheaper compared to the second bag.
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The given question is incomplete, the complete question is
Justin paid $10.47 for a 6.08-Kg bag of dog food. A few weeks later, he paid $13.88 for a 7.48-kg bag at a different store. Find the unit price for each bag. Then state which bag is the better buy based on the unit price.
The standard form of the equation of a circle is (x−5)2+(y−6)2=1.
What is the general form of the equation?
Responses
x2+y2+10x+12y+62=0
x squared plus y squared plus 10 x plus 12 y plus 62 equals 0
x2+y2−10x−12y+60=0
x squared plus y squared minus 10 x minus 12 y plus 60 equals 0
x2+y2−10x−12y−62=0
x squared plus y squared minus 10 x minus 12 y minus 62 equals 0
x2+y2+10x+12y+60=0
The general form of the equation is x² + y² - 10x - 12y + 60 = 0.
How find the general form of the equation of a circle?The general form of the equation of a circle is given by:
x² + y² + Cx + Dy + E = 0
Where C, D and E are constant
Given the standard form of the equation of a circle as (x−5)² + (y−6)² = 1, we can rewrite it as follow:
(x−5)² + (y−6)² = 1
(x² - 10x + 25) + (y² - 12y + 36) = 1 (Expand the brackets)
x² + y² - 10x - 12y + 25 + 36 - 1 = 0
x² + y² - 10x - 12y + 60 = 0
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