The length of the arc is 2π units.
How to find the length of an arc?The area of a circle is 64πunits squared. The area of the sector is 8π. Therefore, the arc length can be found as follows:
area of a circle = πr²
64π = πr²
r = √64
r = 8 units
area of sector = ∅/ 360 × πr²
8π = ∅/ 360 × 8²π
8π = 64π∅ / 360
cross multiply
2880π = 64π∅
∅ = 2880π / 64π
∅ = 45 degrees
Therefore,
length of arc = 45 / 360 × 2 × π × 8
length of arc = 720 / 360 π
length of arc = 2π units
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he system of equations shown is solved using the linear combination method
StartLayout 1st row 1st column 6 x minus 5 y = negative 8 right-arrow 2nd column 6 x minus 5 y = negative 8 right-arrow 6x minus 5 y = negative 8 2nd row 1st column negative 24 x + 20 y = 32 right-arrow one-fourth (negative 24 x + 20 y = 32) right-arrow negative 6 x + 5 y = 8 with Bar Underscript 3rd row 3rd column 0 = 0 EndLayout
What does 0 = 0 mean regarding the solution to the system?
The 0 = 0 in the solution to the system implies that the system of equations involving the equations 6x - 5y = -8 and 6x - 5y = -8 have infinitely many solutions.
What are linear equations?Linear equations are equations that have constant average rates of change, slope or gradient.
How to determine the linear combination to the system?A system of linear equations is a collection of at least two linear equations.
here, we have,
In this case, the system of equations is given as
6x - 5y = -8
6x - 5y = -8
Subtract the equation 6x - 5y = -8 from the equation 6x - 5y = -8
6x - 5y = -8
(-) 6x - 5y = -8
----------------------
0 = 0
This in other words means that the difference between both equations is 0.
When the solution to a system of equation is 0 = 0, it means that the system of equations have infinitely many solutions.
Hence, the 0 = 0 in the solution to the system implies that the system of equations involving the equations 6x - 5y = -8 and 6x - 5y = -8 have infinitely many solutions.
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A right triangle is shown in the graph.
Part A: Use the Pythagorean Theorem to derive the standard equation of the circle, with center at (f, g) and a point on the circle at (x, y). Show all necessary math work. (3 points)
Part B: If (f, g) = (3, –1) and h = 8, determine the domain and range of the circle. (4 points)
Part C: Is the point (10, –4) inside the border of the circle if (f, g) = (3, –1) and h = 8? Explain using mathematical evidence. (3 points)
A) The standard equation of the circle, with center at (f, g) and a point on the circle at (x, y) is; (x - f)² + (y - g)² = h²
B) The domain and range of the circle are respectively;
[-5, 11] and [-9, 7]
C) Yes the point (10, –4) is inside the border of the circle
How to find the domain and range of a circle?A) Using the Pythagorean theorem will generate the equation for a circle as follows;
Sum of squares of sides = square of hypotenuse
From the given image, we have;
(x - f)² + (y - g)² = h² . . . . . . circle centered on (f, g) with radius h
B) The circle is defined for values of x in the domain f ± h, and for values of y in the range g ± h.
Domain: 3 ± 8 = [-5, 11]
Range: -1 ± 8 = [-9, 7]
C) The distance from point (10, -4) to (f, g) calculated as;
h² = (10 - 3)² + (-4 - (-1))²
h² = 7² + (-3)²
h² = 49 + 9 = 58
h = √58 < 8
Thus, the distance to the point is less than h=8 and it implies that the point is inside the circle.
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Why is the base in the exponential function greater than 1?
The base in the exponential function is greater than 1 because exponential growth is defined as a constant multiplication of the original value, rather than a constant addition as in linear growth. A base greater than 1 results in a growth rate that increases over time, while a base less than 1 results in a growth rate that decreases over time.
THE EXPONENTIAL FUNCTIONThe exponential function is written as bˣ, where b is the base and x is the exponent. The base is the number that is being multiplied by itself a certain number of times, as determined by the exponent.
A base greater than 1 means that the value of the function is increasing at an increasing rate. This is because as the exponent (x) increases, the base (b) is being multiplied by itself more and more times, leading to a larger and larger result. This is known as exponential growth.
On the other hand, a base less than 1 means that the value of the function is decreasing at an decreasing rate. This is because as the exponent (x) increases, the base (b) is being multiplied by itself more and more times, leading to a smaller and smaller result. This is known as exponential decay.
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What are examples of inequalities?
Examples of inequalities are mathematical statements that compare two expressions and express the relationship between them using symbols such as "<" (less than), ">" (greater than), "≤" (less than or equal to), "≥" (greater than or equal to). Here are a few examples: x + 2 > 5, |x - 2| < 4, sin(x) > 1/2, log2(x) > 3.
Linear Inequality: x + 2 > 5, this inequality states that x is greater than 3.
Quadratic Inequality: x^2 - 3x + 2 < 0, this inequality states that the value of the quadratic expression is less than zero.
Absolute value inequality: |x - 2| < 4, this inequality states that the absolute value of the difference between x and 2 is less than 4.
Rational Inequality: (x + 2)/(x - 3) < 0, this inequality states that the value of the rational function is less than zero.
Logarithmic Inequality: log2(x) > 3, this inequality states that the logarithm base 2 of x is greater than 3.
Trigonometric Inequality: sin(x) > 1/2, this inequality states that the sine of x is greater than 1/2.
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Can someone help me please Assap?
A rectangle has a width of x centimeters and a perimeter of 8x centimeters a square has sides of length 1/4 that of the length of the rectangle.
Find the perimeter of the square
The perimeter of the square is calculated to be (8 - x) cm
How to find the perimeter of the squareThe perimeter of a square is calculated using the formula
= 4 * length
From the problem we have that the length of the square
= 1/4 length of rectangle
perimeter of rectangle
8 = 2(Length + width)
dividing through by 2
4 = L + w
substituting w = x
8 = L + x
L = 8 - x
length of square = 1/4 * 8- x = (8 - x)/4
perimeter of a square = 4 * (8 - x)/4
perimeter of a square = 8 - x
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A car is traveling at a rate of 40 mph. What is the speed in feet per min
Answer:3520.000
Step-by-step explanation:
ft/min =mph * 88.00000
ft/min =40 * 88.00000
ft/min =3520.000
Write down the equation of the function whose graph is shown
To find the equation of a graphed line, find the y-intercept and the slope in order to write the equation in y-intercept (y=mx+b) form. Slope is the change in y over the change in x.
Linear equations with two variables have straight line graphs. There are numerous ways to express linear equations:
Slope-Intercept Formula: y=mx+b
The slope is m and the y-intercept is the point in an equation of the type y = mx + b, such as y = 2x 3. (0, b). Create a table of values (Method 1) or use the slope and y-intercept (Method 3) to graph equations of this kind (see Examples 1 and 6).
Basic Formula: axe + by = c
Find the x- and y-intercepts (Method 2) to graph equations of this type, such as 3x 2y = 6, or solve the equation for y to form y = mx + b and create a table of numbers (see Example 2).
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How is negative of an image obtained with intensity levels 0 l 1 with r and s being pixel values?
Negative of an image can be obtained by subtracting each pixel values from 1.
What is pixel value?Pixel value is the numerical representation of a color in an image. It is the amount of brightness or darkness of a pixel in an image, usually ranging from 0 (black) to 255 (white). Pixel values are used to determine how an image should be displayed on a monitor or printed on a page.It is usually measure of brightness of pixel with the higher number indicating brighter pixel and lower number indicating darker pixel.
This can be done by subtracting the pixel values r and s from 1, so the new value of each pixel would be 1-r and 1-s. This process of subtracting each pixel value from 1 is known as “inverting”.
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Help please it's due TODAY
Eric is riding his bicycle. He rides for kilometers at a speed of kilometers per hour. For how many hours does he ride?
Max spends three times as long on his math homework than he does on his science horr spent a total of 64 minutes on math and science homework last night, how long did he math homework?
Time spend on science homework is 16 minutes and time spend on math homework is 48 minutes.
What is Equation?Two or more expressions with an Equal sign is called as Equation
Given that,
The time spend on math homework = 3 times time spend on science homework,
Also, total time spent on math and science both homework = 64 minutes.
Let time spend by Max on science homework is t minutes,
Then by given condition, time spend on math homework = 3t
Total time = 64 minutes
t + 3t = 64 minutes
4t = 64 minutes
Divide both sides by t
t = 16 minutes
Hence, Time spend on science homework is 16 minutes and time spend on math homework is 48 minutes.
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answer?????????????????
What is the value of exponential 4?
The value of exponential 4 is 4^4, or 256. it means that 4 should be multiplied by itself 4 times.
In mathematics, an exponential is a number that is multiplied by itself a certain number of times. For example, when 4 is used as an exponential, it means that 4 should be multiplied by itself 4 times. This is written as 4^4, or 4 to the fourth power. This means that 4 is multiplied by itself 4 times, resulting in the value of 256.
Exponentials can be used to calculate the power of a number. For example, in the case of 4^4, 4 is the base number and 4 is the exponent. An exponent is the number of times a base number is multiplied by itself. In this case, the base number (4) is being multiplied by itself 4 times, resulting in a value of 256.
In addition, exponentials can be used to solve equations. For example, if we need to solve for x in the equation 4^x = 256, we can use the exponential 4 to determine the value of x. In this case, x = 4 because 4^4 = 256.
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The top pair of scales are balanced. How many triangles replace the question mark on the bottom scales to make them balance? ?
Answer: 5 triangles
Step-by-step explanation:
we can take the circles out of the top scale and see that 2 triangles equal a square, so we see 2 squares on the bottom so that is 4 triangles plus one extra
2 1/3 divided by 1/3
Answer:
Step-by-step explanation:
and 2.3333333333
Add the following integer. 1. (-78)(98)=
2. (45)(23)=
3. (67)(56)=
4. (98)(-73)=
5. (-971)(237)=
On adding the integers we get:
206812325-734The collection of whole numbers and negative numbers is known as an integer in mathematics. Integers, like whole numbers, do not include the fractional portion. Integers can therefore be defined as numbers that can be positive, negative, or zero but not as fractions.
For, (-78) + (98)
Step 1: Locate the first number, which is -78.
Step 2: Locate the second number, which is 98.
Step 3: Add the two numbers together by starting with the first number and counting up or down according to the sign of the second number. In this case, 98 is positive, so we count up 98 from -78.
Step 4: The answer is 20
Similarly, solving for the rest of the sub-parts we get:
2. 45+23=68
3. 67+56=123
4. 98 + (-73)=25
5. -971+237= -734
Therefore, On adding the integers we get:
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Does anyone know how to find this out?? Thank you so much!
The solution set is (A) TV/RS = TQ/ RQ.
What is the similarity of the triangle?
If the measures of the corresponding sides of two triangles are proportional then the triangles are similar. Likewise if the measures of two sides in one triangle are proportional to the corresponding sides in another triangle and the including angles are congruent then the triangles are similar.
We have given,
Triangle QRS and triangle QTV are similar,
ΔQRS ≈ ΔQTV
If the two sides of a triangle are in the same proportion of the two sides of another triangle, and the angle inscribed by the two sides in both the triangle are equal, then two triangles are said to be similar.
so, TV/RS = TQ/ RQ
Therefore, The solution set is (A) TV/RS = TQ/ RQ.
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-3(2x+2)<10 solve the inequality and graph the solution ?
Therefore , the solution of the given inequality problem comes out to be
-8/5.
What is a good example of inequality?The equation-like form of the expression 5x 4 > 2x + 3 has an arrowhead in place of the equals sign. It is an illustration of inequality. This shows that the left part, 5x 4, is bigger than the right part, 2x + 3. Finding the x variable values for which the inequality holds true is what we are most interested in.
Here,
Give:
=> -3(2x+2) < 10
=>2x+2>10/3
=>x+1>-10/6
=>> -10/6-1 >1
=> -8/5
Therefore , the solution of the given inequality problem comes out to be
-8/5..
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What is the length of the hypotenuse of a 45 45 90 triangle?
In a 45°−45°−90° triangle, the length of the hypotenuse is √2 times the length of a leg.
How to find the length of the hypotenuse of a 45 45 90 triangle?Since the triangle's legs are equal, the hypotenuse may be determined using the equation c = a2/. The side length will be equal to a = c2/2 if the value of the hypotenuse is provided. When the two legs of an isosceles right triangle are congruent to one another and the non-right angles are both 45 degrees, the triangle is known as a 45 45 90 triangle. When the two legs of an isosceles right triangle are congruent to one another and the non-right angles are both 45 degrees, the triangle is known as a 45 45 90 triangle. The Pythagorean theorem can frequently be used to locate the missing legs or hypotenuse of 45 45 90 triangles. The sides' to the hypotenuse's ratio.To learn more about hypotenuse refer to:
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Why is 45 a prime number?
No, the given statement 45 is a prime number is false statement as 45 represents the composite number.
As given in the question,
Given number is equal to :
45
Prime numbers represents such numbers which is having only two factors one and the given number itself.
Prime numbers does not get exactly divided by any other integer.
Factors of 45 are equals to :
1, 3, 5, 9, 15, 45
It represents 45 has more than two factors.
And number 45 exactly get divided by 3, 5, 9, 15 .
So it is not a prime number rather it represents the composite number.
Therefore, the given statement 45 is a prime number is false statement as 45 is a composite number.
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Solve for X. M<1= (x+13)
M<2=39
M<3=(5x+4)
On solving the provided question, we can say that using properties of triangle, the value of x is 7.
What is triangle?A triangle is a polygon since it has three sides and three vertices. It is one of the basic geometric shapes. The name given to a triangle containing the vertices A, B, and C is Triangle ABC. A unique plane and triangle in Euclidean geometry are discovered when the three points are not collinear. Three sides and three corners define a triangle as a polygon. The triangle's corners are defined as the locations where the three sides converge. 180 degrees is the result of multiplying three triangle angles.
By using the property of triangle,
The exterior angle of the triangle is the sum of opposite two angle of the triangle.
Hence,
64 + 8x = 18x - 6
10x = 70
x = 7
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Stan’s savings account has a balance of $1986. after 23 years, what will the amount of interest be at 4% compounded annually? a. $2908.93 c. $2913.93 b. $2899.93 d. $794.40
Answer:
a. $2908.93
Step-by-step explanation:
We use the formula:
A = P( 1 + r)^t
P = $1986
r = 4% = 0.04
t = 23 years
Let's solve
A = 1986(1 + 0.04)^23
A = 1986( 1 + 0.04)
A = 1986( 1.04)^23
A = $4894.925
Now we take
$4894.925 - $1986 = $2908.925
$2908.925 round-up = $2908.93
So, the answer is A
Use the conversions given below to change 63 kg into stones.
Give your answer rounded to 1 dp.
1 kg = 2.2 pounds
1 stone = 14 pounds
Answer:
63kg x 2.2 = 138.6 pounds
138.6 pounds/14 = 9.9 stones
Step-by-step explanation:
Answer:
63kg×2.2=138.6 pounds
138.6 pounds/14=9.9
Henrie play baeball. He hit 80% of the time he bat. If he i up to bat 20 time thi weekend at hi baeball tournament, how many time i he expected to hit
This may be computed by dividing his hitting % by the number of times he bats (20). (0.8). 20 x .8 = 16
Percentage:
a: a part of a whole expressed in hundredths a high percentage of students attended.
b: the result obtained by multiplying a number by a percent the percentage equals the rate times the base.
c: a share of winnings or profits.
If Henrie hits 80% of the time he's at bat, and he is up to bat 20 times this weekend, he is expected to hit 16 times. This can be calculated by multiplying the number of times he is up to bat (20) by his hitting percentage (0.8). 20 x .8 = 16
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How do you find the point and midpoint of a point?
To find the coordinates of a point, you simply need to know its location in the given space and to find the midpoint of a point you need to know the coordinates of the two given points and use the formula (x₁ + x₂)/2, (y₁ + y₂)/2.
A point in geometry is a location in space that is represented by a set of coordinates, typically in the form of (x,y) or (x,y,z) for a three-dimensional space.
To find the coordinates of a point, you simply need to know its location in the given space.
The midpoint of a point is the point that is exactly halfway between two given points. To find the midpoint of a point, you need to know the coordinates of the two given points. Once you have this information, you can use the following formula to find the midpoint:
(x₁ + x₂)/2, (y₁ + y₂)/2
For example, if the coordinates of point A are (3,4) and the coordinates of point B are (7,8), the midpoint of the two points would be ( (3+7)/2 , (4+8)/2 ) = (5,6)
In conclusion, finding the point and midpoint of a point is a fundamental concept in geometry. To find the point, we need to know its location in the given space, represented by the coordinates.
To find the midpoint of a point, we need to know the coordinates of the two given points and use the formula (x₁ + x₂)/2, (y₁ + y₂)/2. These concepts are widely used in mathematics, physics, engineering and other fields that deal with spatial relationships.
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can someone who took the test please help me out
The graph of the following coordinates can be graphed by plotting the points of given coordinates on the graph.
What are coordinates?Coordinates are a pair of integers (also known as Cartesian coordinates), or occasionally a letter and a number, that identify a specific point on a grid, also known as a coordinate plane.
What is a point?A point is a dot on a sheet of paper or in a plane. There are no lengths, widths, or heights in a point. It establishes a plane's position or location.
Plot the points according to the given coordinates. Connect all the points with with a smooth curve.
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Marhall and Vickie are alepeople who earned the ame amount thi week, although Vickie made 6 more ale than Marhall. Marhall earn a bae of $186 plu $15 per ale. Vickie earn a bae of $48 plu $18 per ale. How many ale did Marhall make thi week?
Marhall made 9 ales this week, earning a base of $186 plus $15 per ale. Vickie earned a base of $48 plus $18 per ale. Since both of them earned the same amount, we can set up the equations
Marhall made 9 ales this week.
Step by explanation
We can use an equation to solve this problem.
Let x = number of ales Marhall made
Marhall's Earnings = 186 + (15 x)
Vickie's Earnings = 48 + (18 x)
Since both of them earned the same amount, we can set up the equations and solve for x:
186 + (15 x) = 48 + (18 x)
15x = 138
x = 9
Therefore, Marhall made 9 ales this week.
Marhall made 9 ales this week, earning a base of $186 plus $15 per ale. Vickie earned a base of $48 plus $18 per ale.
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John is driving around town. When he reaches the gas station, he notes that he has traveled 11 miles. He reaches home 2 hours later and notes that he has traveled 30 miles. If d represents the distance and t represents the time, in hours, John has traveled since the gas station, which of the following equations can be used to model this situation?
The correct equation for this given situation is,
⇒ d = 9.5t + 11
What is an expression?Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.
Given that;
John is driving around town. When he reaches the gas station, he notes that he has traveled 11 miles.
And, He reaches home 2 hours later and notes that he has traveled 30 miles.
Now, Let d represents the distance and t represents the time, in hours
So we get;
Let the equation which model this situation,
⇒ d = a t + b
Where a and b are constant.
Let the gas station is the starting point.
So, at gas station t = 0 , d = 11
Hence,
⇒ 11 = 0 × a + b
⇒ b = 11
When he reaches home 2 hours later notes that he has traveled 30 miles.
And, with substituting with b = 20
⇒ 30 = 2 × a + 11
⇒2a = 30 - 11 = 19
⇒ a = 19/2 = 9.5
So, We get the equation,
⇒ d = 9.5t + 11
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What is inequality Class 6 short answer?
Inequality is a situation in which people do not have the same rights, resources, or opportunities. It can be seen in many aspects of society, including income, education, health care, and access to resources.
InequalityInequality affects people in many different ways. It can limit access to education and employment opportunities, as well as health care, good housing, and basic services.
It can also lead to disparities in income and wealth, which can further limit opportunities for those in disadvantaged social classes. Inequality can have a negative impact on individuals, as it can limit their ability to access resources needed for a better life.
It can also lead to social unrest, as people may feel that they are not being treated fairly. Inequality can also lead to a lack of trust in government and institutions, which can further hinder progress and development. In order to reduce inequality, governments, businesses, and individuals must work together to create a more equitable society.
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An arithmetic sequence begins with 25, 31, 37, 43, 4
Which option below represents the formula for the sequence?
f(n) = 25 + 6(n)
f(n) = 25 + 6(n + 1)
f(n) = 25 + 6(n − 1)
f(n) = 25 + 6(n + 1)
The arithmetic sequence function is c)f(n)=25 + 6(n-1).
What is arithmetic sequence?
An arithmetic sequence is one in which each phrase grows by adding or removing a certain constant, k. In a geometric sequence, each term rises by dividing by or multiplying by a certain constant k.
Here the given series 25,31,37,43,...
First term [tex]a_1[/tex]= 25
Now Common difference d = [tex]a_2-a_1[/tex]=31-25 = 6.
Now using arithmetic sequence formula,
[tex]f(n)=a_1+(n-1)d[/tex]
Here putting indicated value [tex]a_1[/tex]= 25 and d=6
=> f(n) = 25 + (n-1)6
=> f(n) = 25 + 6 (n-1)
Hence the correct option is c)f(n)=25 + 6(n-1).
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Answer:
C. f(n)=25 + 6(n-1).
Step-by-step explanation:
got it right on test