​Quadrilateral ABCD​ is inscribed in this circle. What is the measure of ∠A?
Enter your answer in the box. C is labeled 74

In cluster analysis, a method can be used to reduce bias due to the difference in units of measurement. One such method is called standardization.

Cluster analysis is a data mining approach that is widely utilized in data processing, image analysis, and other data-based analytics applications. It groups items that have comparable characteristics into clusters by separating them from other objects that do not share the same features.

Standardization is the process of converting variables with various scales to a common scale so that they can be compared fairly.

Standardization involves transforming all of the variables into comparable units of measurement by converting them into z-scores. This allows for the comparison of values without being affected by the different units of measurement.

The method that can be used to reduce bias due to the difference in units of measurement in cluster analysis is standardization, which converts variables with various scales to a common scale so that they can be compared fairly. This ensures that each variable contributes equally to the distance between the clusters.

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Answer:

S(A) = 7

Step-by-step explanation:

A ⊆B  means A is a proper subset of B. That means all elements of set A are also elements of set B

S(B\A) means the set of all elements of B that are not in set A. This is given as 28

We are also given S(B)  = 5.S(A)

Since A is a subset of B, S(B) = set of all elements in A and set of all elements in B but not in A

In other words
S(B) = S(A) + S(B\A)

Since S(B) = 5S(A) we get

5S(A) = S(A) + S(B\A)

5S(A) = S(A) + 28

5S(A) - S(A) = 28

4S(A) = 28

S(A) = 7

Answer: about 2.2 times 8^8

Step-by-step explanation:

Pay the money x=y^2

(a) The number of pathways in the plane from point (0, 0) to point (110, 111) when each step consists of walking one unit up or one unit to the right is known as the number of ways to go to a point in a grid using just right and up moves.

This is a classic combinatorial problem known as a binomial coefficient. The binomial coefficient C(110+111, 110) = C(221, 110) = 221!/(110!111!) is the number of ways to travel from (0, 0) to (110, 111).

(b) The number of paths from (0, 0) to (210, 111) where each step consists of walking one unit up or one unit to the right and the path must pass through (110, 111) is the product of two binomial coefficients.

First, as calculated in section 1, the number of pathways from (0, 0) to (110, 111) is C(110+111, 110) = C(221, 110). Second, there are C(210+211, 210) ways to get from (110, 111) to (210, 111). (210, 211). (421, 210). C(221, 110) * C is the total number of paths found by multiplying these two binomial coefficients (421, 210).

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Answer:

Step-by-step explanation:

Let n represent the number of friends who went to the movies with you.

Then ($12/ticket)n + $15 = $75.  Solving for n, we get:

$75 - $15           $60

---------------- = ----------------- = 5          so a total of 5 friends went with you.

($12/ticket)     ($12/ticket)    

Answer:

A

Step-by-step explanation:

is there any option choices to go along with the question?

The statements that is true about the similarity of the two triangles the option D

D. ΔMNO and ΔJKL are not similar triangles

Similar triangles are triangles which have proportional corresponding sides

The parameters in the question are;

The length of segment MN = 20

Length of segment NO = 12

Length of segment OM = 25

Measure of angle ∠O = 56°

Length of segment LJ =- 15

Length of segment JK = 12

Length of segment KL = 9

Measure of angle ∠L = 56°

Two triangles are similar if the ratio of two sides on one triangle are proportional to two sides of another triangle, and the included  angle between the two sides are congruent

The included angle between sides ON and MO on triangle MNO is congruent to the included angle between segment LK and JL in triangle JKL

However, the ratio of the sides  LK to ON and JL to MO are;

9/12 ≠ 15/25

Therefore, the triangles are not similar

The correct option is option D

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Answer:

428 square ft

Step-by-step explanation:

to do this you can break the shape up into multiple pieces

you can do it this way

the top left part of the polygon could be one shape

9 by 10

this is because if the left side is 23 and part of the left side is 13 the leftover part is 10

then the bottom is 13 by 26

then you multiply and add them together

(9 * 10) + (13 * 26) = 90 + 338

then you add

90 + 338 = 428

the answer is 428 square ft

Answer:the y-intercept will be when y=0. the answer will be the x value that corresponds with y=0.

Step-by-step explanation:

Answer:

x = 76

Step-by-step explanation:

-4(x-26) = -4x + 104

-4x + 104 = -200

-4x = -304

x = 76

The solution of the equation is x= 76.

Two algebraic expressions having same value and symbol '=' in between are called as an equation.

Given, equation –4(x – 26) = –200

–4(x – 26) = –200

-4x + 104 = -200

-4x = -200-104

-4x = -304

x = 304/4

x= 76

Therefore, the solution of the equation is x= 76.

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\(\begin{array}{|c|ll} \cline{1-1} \textit{\textit{\LARGE a}\% of \textit{\LARGE b}}\\ \cline{1-1} \\ \left( \cfrac{\textit{\LARGE a}}{100} \right)\cdot \textit{\LARGE b} \\\\ \cline{1-1} \end{array}~\hspace{5em}\stackrel{\textit{16\% of 5000}}{\left( \cfrac{16}{100} \right)5000}\implies 800\)

The following are deductive reasoning for each statement in the algebraic proof given:

1. CD + DE = CE (Segment Addition Postulate)

2. 8 + (3x + 7) = 6x (Substitution)

3. 3x + 15 = 6x (Combining like terms)

4. 15 = 3x (Subtraction Property of Equality)

5. x = 5 (Division Property of Equality)

6. CE = 6(5) (Substitution)

Recall:

Thus, the following are deductive reasoning for each statement in the algebraic proof given:

1. CD + DE = CE (Segment Addition Postulate)

2. 8 + (3x + 7) = 6x (Substitution)

3. 3x + 15 = 6x (Combining like terms)

4. 15 = 3x (Subtraction Property of Equality)

5. x = 5 (Division Property of Equality)

6. CE = 6(5) (Substitution)

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The value of x is 42 degrees. the angle of the circle is twice on the circumeference.

A circle is a simple closed shape in Euclidean geometry, consisting of all the points in a plane that are equidistant from a given point called the center. The distance between any point on the circle and the center is called the radius of the circle. The circle is one of the most fundamental shapes in mathematics and is used in a variety of applications, from geometry and trigonometry to physics and engineering. The properties of circles have been studied for thousands of years and have led to many important discoveries in mathematics.

by the question.

The angle at the center of a circle is twice the angle at the circumference that subtends the same arc.

angle of NML = 1/2(angle of NOL)

x= 1/2(NOL)

X \(x=\frac{138}{2}\\ =69\)

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There are 4,826,640 possible ways to award first, second, and third prizes in a contest with 170 contestants.

To calculate this, use the formula nP3, where n is the number of contestants (170) and P3 represents the permutation of 3 elements. This can be simplified to P(170, 3) = 170! / (170 - 3)! = 170 x 169 x 168 = 4,826,640.

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Please refer to the attachment for the answer and explanation. Hope it helps!

Answer:

I have made it in above picture

Answer:

In a 30°-60°-90° right triangle, the length of the hypotenuse is twice the length of the shorter leg, and the length of the longer leg is √3 times the length of the shorter leg.

2) DE = 10, DF = 5√3

3) MO = 3√3, LM = 3√3√3 = 9

4) LK = 2√6/√3 = 2√2, JK = 4√2

6) JL = 12√2√3√3 = 36√2,

JK = 24√6

The equation of the circle in the given graph is:

(x + 3)² + (y + 5)² = 16

Remember that the general equation of a circle of center (a, b) and radius R is:

(x - a)² + (y - b)² = R²

Here we can see that the center of the circle is at (-3, -5), and we can see that the radius of the circle is the distance between the center and any point on the circle. Then we have R = 4 units.

Then the equation of the circle is:

(x + 3)² + (y + 5)² = 4²

(x + 3)² + (y + 5)² = 16

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Question 3: True

Question 4: False

Question 5: True

If the derivative of a function, f'(x), is positive for values of x less than c and negative for values of x greater than c, then it indicates a change in the slope of the function. This change from positive slope to negative slope suggests that the function has a maximum value at x = c.

This is because the function is increasing before x = c and decreasing after x = c, indicating a peak or maximum at x = c.

Question 3: If f'(c) < 0 then f(x) is decreasing and the graph of f(x) is concave down when x = c.

True

When the derivative of a function, f'(x), is negative at a point c, it indicates that the function is decreasing at that point. Additionally, if the second derivative, f''(x), exists and is negative at x = c, it implies that the graph of f(x) is concave down at that point.

Question 4: A local extreme point of a polynomial function f(x) can only occur when f'(x) = 0.

False

A local extreme point of a polynomial function can occur when f'(x) = 0, but it is not the only condition. A local extreme point can also occur when f'(x) does not exist (such as at a sharp corner or cusp) or when f'(x) is undefined. Therefore, f'(x) being equal to zero is not the sole requirement for a local extreme point to exist.

Question 5: If f'(x) > 0 when x < c and f'(x) < 0 when x > c, then f(x) has a maximum value when x = c.

True

If the derivative of a function, f'(x), is positive for values of x less than c and negative for values of x greater than c, then it indicates a change in the slope of the function. This change from positive slope to negative slope suggests that the function has a maximum value at x = c. This is because the function is increasing before x = c and decreasing after x = c, indicating a peak or maximum at x = c.

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Step-by-step explanation:

the red point is (4, -5).

so, y - (-5) = -1/7(x - 4)

Topic: coordinate geometry

If you like to venture further, feel free to check out my insta (learntionary). I'll be constantly posting math tips and notes! Thanks!

As per the matrix, the value of a, b, c, d are 5, -3. -1, and 2 respectively.

The inverse of a matrix is a matrix that, when multiplied with the original matrix, gives the identity matrix.

To calculate the inverse of a matrix, you first need to find the determinant of the matrix. The determinant is a scalar value that represents the size of the matrix. If the determinant is 0, the matrix is not invertible, meaning that it does not have an inverse.

For the matrix [4 12 1 10], the determinant can be calculated as:

det([4 12 1 10]) = (4 * 10) - (12 * 1) = 40 - 12 = 28

The adjugated of the matrix is:

adj([4 12 1 10]) = [10 -12; -1 4]

Finally, the inverse of the matrix is:

inv([4 12 1 10]) = adj([4 12 1 10]) / det([4 12 1 10])

=> [10 -12; -1 4] / 28

=> [10/28 -12/28; -1/28 4/28]

=>  [5/14 -3/7; -1/28 2/7]

So, the values for a, b, c, and d are 5, -3. -1, 2.

Complete Question:

Calculate the inverse of the matrix and find the values for a, b, c, and d

A = [4,12,1,10]

A¹=[a/14,b/7,c/28,d/7]

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Answer:

a= 5 b=-3 c=-1 d=1

Step-by-step explanation:

i just did the assignment edge23

The statement is true. If y(t) solves the initial value problem (IVP) y'' = 3y' + 5y; y(0) = 8, then the function y(t-2) also solves the IVP y'' = 3y' + 5y; y(2) = 8.

To verify the statement, let's substitute t-2 into the original IVP and check if y(t-2) satisfies the given conditions.

Given that y(t) solves the IVP y'' = 3y' + 5y; y(0) = 8, we can substitute t-2 into the equation to obtain:

(y(t-2))'' = 3(y(t-2))' + 5(y(t-2)).

Differentiating y(t-2) twice with respect to t gives:

y''(t-2) = y'(t-2) = y(t-2).

Substituting these values back into the equation, we have:

y''(t-2) = 3y'(t-2) + 5y(t-2).

Now, let's consider the initial condition y(2) = 8 for the IVP y'' = 3y' + 5y. If we substitute t-2 into this initial condition, we get:

y(2-2) = y(0) = 8.

Therefore, the function y(t-2) satisfies the initial condition y(2) = 8 for the IVP y'' = 3y' + 5y.

In conclusion, the statement is true: if y(t) solves the IVP y'' = 3y' + 5y; y(0) = 8, then the function y(t-2) also solves the IVP y'' = 3y' + 5y; y(2) = 8.

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Answer:

1331 inches cubed

Step-by-step explanation:

V=LHW

since it is a cube, the length, height, and width will all be the same; 11 inches. You have to multiply 11 by 11 by 11, which equals 1331.

Hope this helped!

Answer:

14.5

Step-by-step explanation:

I got 14.5 i hope this helps

Answer:

c = 7

d = 4

Step-by-step explanation:

To determine the values of c and d in the given equation, expand the brackets and rearrange the terms:

\(\begin{aligned}2(c-6x)+d(5x-1)&=2(4x+5)\\2c-12x+5dx-d&=8x+10\\5dx-12x+2c-d&=8x+10\\(5d-12)x+(2c-d)&=8x+10\end{aligned}\)

To solve for d, equate the terms in x:

\(\begin{aligned}(5d-12)x&=8x\\5d-12&=8\\5d&=20\\d&=4\end{aligned}\)

To solve for c, equate the constants and substitute the found value of d:

\(\begin{aligned}2c-d&=10\\2c-4&=10\\2c&=14\\c&=7\end{aligned}\)

Therefore, the values of c and d are:

Check by substituting the found values of c and d into the original equation:

\(\begin{aligned}2(c-6x)+d(5x-1)&=2(4x+5)\\\\c=7,\;d=4\implies 2(7-6x)+4(5x-1)&=2(4x+5)\\14-12x+20x-4&=8x+10\\20x-12x+14-4&=8x+10\\8x+10&=8x+10\end{aligned}\)

Answer: Increase

Step-by-step explanation: 18 is greater than 12

Answer:

b=3.4     so it is d

Step-by-step explanation:

Subtract 2.3  from both sides of the equation

b+2.3 = 5.7

b+2.3 - 2.3 = 5.7- 2.3

and the simply