A teacher asked Dwayne to find the values of x and y in the triangles shown. The teacher provided the following information about the triangles: • Triangle ABC is similar to triangle PQR. • In triangle ABC, cos(C) = 0.92. Dwayne claims that the value of x can be determined but the information provided is find the value of y.

Which statement about Dwayne's claim is accurate?

A.) His claim is correct because cos(C) = x/20 and 0.92 can be substituted for cos(C), but the cosine of
angle R is not given for triangle PQR.
B.) His claim is incorrect because cos(C) = 20/x, 0.92 can be substituted for cos(C), and since the triangles are similar, this ratio will be the same as y/45.
C.) His claim is incorrect because cos(C) = 20,0.92 can be substituted for cos(C), and since the triangles are similar, this ratio will be the same as 45/y.

Step-by-step explanation:  One way to measure an arc is with degrees. The measure of an arc is equal to the measure of its corresponding central angle. Below, m D C ^ = 70 ∘ and m G H ^ = 70 ∘ . When you measure an arc in degrees, it tells you the relative size of the arc compared to the whole circle.

From the provided data, it can be deduced that "Butterflies and Ladybugs" is seemingly preferred over the other option in question.

Confirmation of this determination is available because sample 2 received a greater number of votes for "Butterflies and Ladybugs" than sample 1 did. Additionally, the total amount of votes awarded to "Butterflies and Ladybugs" was more pronounced compared to the two remaining choices within sample 2.

One should not make assertions from this dataset stating that "Butterflies and Ladybugs" are the most favored choice overall or universally.

This claim cannot be verified due to the small size of the research survey as solely two samples were utilized; therefore, we may infer that these findings could potentially vary if an alternative method or larger experiment was adopted.

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Mike's measurement therefore had a percent error of 9.57% .

Finding the discrepancy between Milk's measurement and the real height of the art frame, dividing it by the actual height, and multiplying the result by 100 will get the percent inaccuracy.

Mike's measurement and the real height differ in the following ways:

6 feet - 7 feet = 0.67 feet.

We divide this difference by the actual height to determine the percent error:

7 feet / 0.67 feet is 0.0957

The percentage is finally calculated by multiplying by 100:

0.0957 x 100 = 9.57%

Mike's measurement therefore had a percent error of 9.57%. This indicates that the difference between his measurement and the actual height of the art frame was roughly 9.57%.

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The first number, 5 x [tex]10^22,[/tex] can be written as 5 followed by 22 zeros:

5,000,000,000,000,000,000,000

To simplify means to make something easier to understand or do by reducing complexity, removing unnecessary details, or using simpler language or concepts.

The second number , 5 × 10², can be written as 5 followed by 2 zeros: 500

The third number, 3.7 x 10⁵³, can be written as 3.7 followed by 53 zeros:

370,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000

or in scientific notation as 3.7 x 10⁵³

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Simplify

2. 5 x 10^22. 5 × 10 2 and 3. 7 x 10^53. 7 × 10 5

To prove that when a sphere is moved about its center, it is always possible to find a diameter of the sphere whose direction in the displaced position is the same as in the initial position using orthogonal properties, follow these steps:

1. Consider a sphere with center O and any diameter AB.
2. When the sphere is moved about its center, the center O remains fixed.
3. Rotate the sphere such that diameter AB is now in a new position A'B'.
4. Since the sphere has been rotated about its center, the orthogonal properties are preserved. This means that the planes that are perpendicular to the diameter at the center O remain unchanged.
5. The orthogonal planes to diameter AB intersect at the center O and form a fixed line in space.
6. Now, rotate the sphere again, such that diameter A'B' returns to its initial position as AB. This rotation is possible because the orthogonal planes and their intersection (the fixed line) are preserved.
7. Since diameter A'B' has returned to the initial position of AB, it proves that it is always possible to find a diameter of the sphere whose direction in the displaced position is the same as in the initial position.

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X(t) = Xo/[1 + (1 - Xo)/Xo exp(-[r - o^2/2]t - oW(t))]

E[X(t)] = Xo/(1 + (1 - Xo)/Xo exp(-r t)),

V[X(t)] = Xo^2 exp(rt)/(1 + (1 - Xo)/Xo exp(rt))^2 - Xo^2/(1 + (1 - Xo)/Xo exp(-r t))^2.

The given equation is a stochastic differential equation (SDE) of the form dX(t) = a(X(t))dt + b(X(t))dW(t), where W(t) is a Wiener process (Brownian motion), a(X(t)) = rX(t)(1 - X(t)), b(X(t)) = oX(t), and Xo is the initial condition.

To solve this SDE, we use Itô's lemma, which states that for a function f(X(t)) of a stochastic process X(t), the SDE for f(X(t)) is given by df(X(t)) = (∂f/∂t)dt + (∂f/∂X)dX(t) + 1/2(∂^2f/∂X^2)(dX(t))^2.

Applying Itô's lemma to the function f(X(t)) = ln(X(t)/(1 - X(t))), we get df(X(t)) = [1/X(t) + 1/(1 - X(t))]dX(t) - 1/2[X(t)^(-2) + (1 - X(t))^(-2)](dX(t))^2.

Substituting a(X(t)) and b(X(t)) in the above expression, we get d[f(X(t))] = [r(1 - 2X(t))dt + o(1 - 2X(t))dW(t)] - 1/2[r^2X(t)(1 - X(t))^2 + o^2X(t)^2]dt.

Integrating both sides of the above expression from time 0 to t and using the initial condition X(0) = Xo, we get ln[X(t)/(1 - X(t))] = ln[Xo/(1 - Xo)] + [r - o^2/2]t + oW(t).

Solving for X(t), we get X(t) = Xo/[1 + (1 - Xo)/Xo exp(-[r - o^2/2]t - oW(t))].

Taking the expectation and variance of X(t), we get:

E[X(t)] = Xo/(1 + (1 - Xo)/Xo exp(-r t)),

V[X(t)] = Xo^2 exp(rt)/(1 + (1 - Xo)/Xo exp(rt))^2 - Xo^2/(1 + (1 - Xo)/Xo exp(-r t))^2.

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Answer:

x > 10

Step-by-step explanation:

Subtract 0.75 from 0.81.

This gives you 0.06

Then divide, by the coefficient of x, 0.006

x > 10

Answer:

x > 10

Step-by-step explanation:

0.75 + 0.006x > 0.81

-.75                     -.75

0.006x > 0.06

----------     -------

0.006      0.006

x > 10

The area of rectangle DEFG is 16 square units and its perimeter is 12 units.

To find the area, we can use the formula: Area = length x width We can find the length and width by calculating the distance between the coordinates of opposite sides of the rectangle.

Length = EF =

[tex] \sqrt{} ((2-1)^2 + (1-3)^2)[/tex]

=

[tex] \sqrt{} (2 + 4) = \sqrt{} (6)[/tex]

Width = DG =

[tex] \sqrt{} ((-3+2)^2 + (1+1)^2) = \sqrt{} (2 + 4) = \sqrt{} (6)[/tex]

The area of rectangle DEFG = length x width =

[tex] \sqrt{} (6) x \sqrt{} (6)[/tex]

= 6 x 2 = 16 square units.

To find the perimeter, we can add up the lengths of all four sides: Perimeter = DE + EF + FG + GD

DE =

[tex] \sqrt{} ((1+3)^2 + (-3+(-1))^2) = \sqrt{} (16 + 4) = \sqrt{} (20)[/tex]

EF =

[tex] \sqrt{} ((2-1)^2 + (1-3)^2) = \sqrt{} (2 + 4) = \sqrt{} (6)[/tex]

FG =

[tex] \sqrt{} ((2+2)^2 + (1+1)^2) = \sqrt{} (16 + 4) = \sqrt{} (20)[/tex]

GD =

[tex] \sqrt{} ((-2+3)^2 + (-1-1)^2) = \sqrt{} (1 + 4) = \sqrt{} (5)[/tex]

The perimeter of rectangle DEFG =

[tex] \sqrt{} (20) + \sqrt{} (6) + \sqrt{} (20) + \sqrt{} (5) [/tex]= 12 units.

Hence, The area of the rectangle is 16 square units and the perimeter is 12 units.

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Answer:

Step-by-step explanation:

Yes, there is a rigid transformation that can map triangle ΔABC to triangle ΔDEC.

A rigid transformation is a transformation that preserves the size, shape, and orientation of a figure. It includes translations, rotations, and reflections. In order for triangle ΔABC to be mapped to triangle ΔDEC, the two triangles must have the same size, shape, and orientation. This can be achieved through a combination of translation, rotation, and/or reflection. For example, if triangle ΔABC is translated by a certain vector and then rotated or reflected, it can be mapped onto triangle ΔDEC.

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Answer:

B) 6

Step-by-step explanation:

Firstly, we need to know what the question is asking for.

"How many miles does she need to run each hour to complete the run" is asking for a speed in miles per hour.

miles / hour = speed in mph

18 miles / 3 hours = 18/3 mph

18/3 simplifies to 6

Lisa needs to run 6 mph

The simplified value of the expression is 12km³.

We have,

[tex]12k^2m^8 \div 4km^5[/tex]

This can be written as:

[tex]\frac{12k^2m^8}{ 4km^5}[/tex]

Canceling common expression.

= 12km³

Thus,

The simplified value of the expression is 12km³.

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Answer: B

Step-by-step explanation: red to blue

Answer: B

Step-by-step explanation:

Because it asks for you to create a ratio comparing red to blue, you need to order it that way. Since there are 5 reds and 6 blues, you list the 5 in the ratio before you list the 6. It would end up looking like this:

5:6

A) The corresponding unit rate for each package is,

For Cannie cakes;

⇒ $1.85

Bark bits;

⇒ $2.25

Woofy Waffles;

⇒ $1.9

B) The best buy by the units rates is, Cannie cakes.

We have to given that;

Jeremiah needed dog food for his new pippy.

Now, We get;

A) The corresponding unit rate for each package is,

For Cannie cakes;

⇒ 74/40

⇒ $1.85

Bark bits;

⇒ 27/12

⇒ $2.25

Woofy Waffles;

⇒ 76 / 40

⇒ $1.9

Hence, We get;

B) The best buy by the units rates is, Cannie cakes.

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Check the picture below.

Answer: use 2 π | b | , where is the frequency.

Step-by-step explanation:

To find the period of any sine or cosine function, use 2 π | b | , where is the frequency. Using the first graph above, this is a valid formula: 2 π 1 2 = 2 π ⋅ 2 = 4 π .

Hope that helps

The value of GH in the rectangle is 60 units.

A rectangle is quadrilateral with opposite sides equal to each other and opposite sides parallel to each other.

Therefore, the diagonal of the rectangle divides the rectangle into congruent triangles.

Therefore,

DH = GH

4w + 20 = 6w

subtract 4w from both sides of the equation

4w  - 4w + 20 = 6w - 4w

20 = 2w

divide both sides of the equation by 2

w  =20 / 2

w = 10

Therefore,

GH  = 6(10)

GH = 60 units

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The 30th term of the given sequence 156, 153, 150, ... is 69.

The given sequence is as follows: 156, 153, 150,...

To locate the 30th term in this sequence, we must first determine the series's pattern. We can observe that each term is dropping by three, resulting in a common difference of -3. As a result, the nth term of this series can be written as a = a1 + (n - 1)d, where a1 represents the first term, d represents the common difference, and n represents the nth term.

We can use the formula for the nth term of an arithmetic sequence:

an = a1 + (n-1)d

In this case, we have:

a1 = 156 (the first term)

d = -3 (the common difference)

n = 30 (the number of terms)

Using the formula, we can calculate the 30th term:

a30 = 156 + (30-1)(-3)

a30 = 156 + (-87)

a30 = 69

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Answer:

9.22

Step-by-step explanation:

pythagorean theorem is C squared= A squared +B squared. because C is 11 and if you square 11 its 121 and 6 squared is 36 so if u do 121-36 its 85

and if u root 85 it comes out as 9.22

There are two free variables, so the dimension of the eigenspace is 2. So the dimensions of the associated eigenspaces are 2 for all three eigenspace.

To determine which of the given values are complete eigenvalues, we need to find the characteristic polynomial of the matrix. This is done by finding the determinant of (A - λI), where A is the matrix and λ is the eigenvalue:

| 3-λ   2    0   -4    1 |
| 0     1-λ  3    1    0 |
| 1     -1   -1-λ 4    0 |
| -1    0    2    -4-λ 0 |
| 1     1    -1   0    1-λ|

Expanding along the first row, we get:

(3-λ) | 1-λ  3   1   0 |
    |-1   2-λ 4   0 |
    |1    -1  -4-λ 0 |
    |1    -1  0    1-λ |

= (3-λ)[(2-λ)(1-λ)(1-λ) + 4(-1)(1-λ) + 0(4-λ)] - (-1)[(1-λ)(1-λ)(4-λ) + 0(1-λ) + 0(-1)] + (1)[(1-λ)(4-λ)(0) - (2-λ)(1-λ)(-1)] - (1)[(1-λ)(-1)(-1) - (2-λ)(-1)(0)]

= (3-λ)[λ^3 - 6λ^2 + 9λ - 4] + (λ-1)[4λ^2 - 10λ + 6] + (λ-1)(λ-4) - (λ-2)

= λ^5 - 11λ^4 + 44λ^3 - 78λ^2 + 60λ - 16

Now we can check which of the given values satisfy the characteristic polynomial:

(a) 3, († 2), 0, 1
Substituting each value into the polynomial, we get:
3^5 - 11(3^4) + 44(3^3) - 78(3^2) + 60(3) - 16 = 0
2^5 - 11(2^4) + 44(2^3) - 78(2^2) + 60(2) - 16 ≠ 0
0^5 - 11(0^4) + 44(0^3) - 78(0^2) + 60(0) - 16 ≠ 0
1^5 - 11(1^4) + 44(1^3) - 78(1^2) + 60(1) - 16 = 0

So the complete eigenvalues for this matrix are 3, 0, 1.

To find the dimension of the associated eigenspace for each eigenvalue, we need to find the nullspace of (A - λI). For each eigenvalue, we can do this by row reducing the matrix (A - λI) and finding the number of free variables. The dimension of the associated eigenspace is then equal to the number of free variables.

(a) λ = 3:

| 0 -1  1  1 -1 |
| 0 -2  4  0  1 |
| 1 -1 -4  2  1 |
|-1  0  2 -7  1 |
| 1  1 -1  0 -2 |

RREF:

| 1  0 -2  0  0 |
| 0  1 -2  0  0 |
| 0  0  0  1  0 |
| 0  0  0  0  1 |
| 0  0  0  0  0 |

There are two free variables, so the dimension of the eigenspace is 2.

(a) λ = 0:

| 3  2  0 -4  1 |
| 0  1  3  1  0 |
| 1 -1 -1  4  0 |
|-1  0  2 -4  0 |
| 1  1 -1  0  1 |

RREF:

| 1  0 -2  0  0 |
| 0  1 -2  0  0 |
| 0  0  0  1  0 |
| 0  0  0  0  0 |
| 0  0  0  0  0 |

There are two free variables, so the dimension of the eigenspace is 2.

(a) λ = 1:

| 2  2  0 -4  1 |
| 0  0  3  1  0 |
| 1 -1 -2  4  0 |
|-1  0  2 -5  1 |
| 1  1 -1  0  0 |

RREF:

| 1  0 -1  0  0 |
| 0  1 -1  0  0 |
| 0  0  0  1 -1 |
| 0  0  0  0  0 |
| 0  0  0  0  0 |

There are two free variables, so the dimension of the eigenspace is 2.

So, the dimensions of the associated eigenspaces are 2 for all three eigenvalues.

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The projection of f onto the subspace W, we need to take the inner product of f with each of the basis vectors in W and multiply by the basis vectors. Then we add the results together. Therefore, the projection of f onto W is 2/3 + √2.

So, first we need to find the inner products of f with g1 and g2:

(f, g1) = integral -1 to 1, f(x)g1(x) dx

= integral -1 to 1, ([tex]x^2[/tex] + 5x)(1/√2) dx

= (1/√2) integral -1 to 1, [tex]x^2[/tex] dx + (5/√2) integral -1 to 1, x dx

= (1/√2) (2/3) + (5/√2) (0)

= √2/3

(f, g2) = integral -1 to 1, f(x)g2(x) dx

= integral -1 to 1, ([tex]x^2[/tex] + 5x)√(3/2) dx

= √(3/2) integral -1 to 1, [tex]x^2[/tex] dx + √(3/2) integral -1 to 1, 5x dx

= √(3/2) (2/3) + √(3/2) (0)

= √(2/3)

Now we can find the projection of f onto W:

projW(f) = (f, g1) g1 + (f, g2) g2

= (√2/3) (1/√2) + (√(2/3)) (√(3/2))

= 2/3 + √2

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Answer:

  (b)  2

Step-by-step explanation:

You want the mean absolute deviation of the data ...

  {12, 10, 10, 8, 6, 7, 7, 12}

The mean absolute deviation (MAD) is the mean of the absolute values of the differences between the data values and their mean. The calculation of this is shown in the attachment.

The mean absolute deviation is 2.

<95141404393>

The image of the point after the reflection over the y-axis is (-3, 6)

For any point of the form (x, y), a reflection across the y-axis just changes the sign of the x-value.

Then the reflection gives:

(x, y) ---> (-x, y)

Here we apply this reflection to the point (3, 6), then we will get:

(3, 6) ---> (-3, 6)

That is the image after the reflection over the y-axis, then the correct option is the fourth one.

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The length of line segment EB is Option C- 65 units .

In a parallelogram, opposite sides are equal. Therefore, AE = CB = p-8 and CE = AB = 2p-58. Also, AD and BE are diagonals of the parallelogram, and they bisect each other. Thus, we can say that DE = EB. So, we have DE = p+15 and EB = p+15.

AE + EB + CE + DE = perimeter of parallelogram

(p-8) + (p+15) + (2p-58) + (p+15) = 4p - 56

4p - 56 = 4(p - 14)

Therefore, the perimeter of the parallelogram is 4(p-14). Since opposite sides are equal in a parallelogram, we can say that:

2(p-8) + 2(2p-58) = 4(p-14)

p = 50

Substituting the value of p in the equation EB = p+15, we get:

EB = 50 + 15 = 65.

However, we need to remember that DE = EB. Therefore, the length of line segment EB is 65 units (Option C).

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the complete question is:

AE = p 8, CE = 2p 58, and DE = p + 15 in the parallelogram illustrated. How long is the line segment EB?

A - 40units

B.50 units

C.65 units

D.73 units

Answer:

c) 65 units

Step-by-step explanation:

2023 on edge

As per the functions given, (f+g)(x) = f(x) + g(x) adding the two functions (f+g)(x) = 3x^2 - 5x + 9.

Adding the two functions, we get:

(f+g)(x) = (2x^2 - 5x + 5) + (x^2 + 4)

(f+g)(x) = 3x^2 - 5x + 9

Therefore, (f+g)(x) = 3x^2 - 5x + 9.

b) (f-g)(x) = f(x) - g(x)

Subtracting the two functions, we get:

(f-g)(x) = (2x^2 - 5x + 5) - (x^2 + 4)

(f-g)(x) = x^2 - 5x + 1

Therefore, (f-g)(x) = x^2 - 5x + 1.

c) (f x g)(x) = f(x) * g(x)

Multiplying the two functions, we get:

(f x g)(x) = (2x^2 - 5x + 5) * (x^2 + 4)

(f x g)(x) = 2x^4 - 5x^3 + 5x^2 + 8x^2 - 20x + 20

(f  x g)(x) = 2x^4 - 5x^3 + 13x^2 - 20x + 20

Therefore, (f x g)(x) = 2x^4 - 5x^3 + 13x^2 - 20x + 20.

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To determine how attractive a particular market is using the BCG portfolio analysis, Market profit potential is(are) established as the vertical axis.

Market profit potential is established as the vertical axis in the BCG portfolio analysis to determine how attractive a particular market is.

The BCG (Boston Consulting Group) portfolio analysis is a framework used to analyze a company's business units or product lines based on their market growth rate and relative market share. The relative market share is established as the horizontal axis, and the market growth rate is established as the vertical axis. The resulting four quadrants are named: "Stars," "Cash Cows," "Question Marks," and "Dogs."

However, in some modified versions of the BCG matrix, such as the GE-McKinsey Matrix, the vertical axis may be replaced with other factors such as market attractiveness, industry strength, or competitive position. Nevertheless, in the original BCG matrix, the vertical axis represents the market growth rate, which is a measure of the market's potential for growth and profitability.

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The negative critical point is approximately -1.812.

The critical values for a two-tailed hypothesis test with a significance level of α = 0.10 and 10 degrees of freedom (sample size - 1) can be found using a t-distribution table or a statistical software.

a) The positive critical point can be found by looking up the t-distribution table or using a statistical software to find the t-value that corresponds to a cumulative probability of 0.95 with 10 degrees of freedom. The value is approximately 1.812.

b) The negative critical point can be found by finding the t-value that corresponds to a cumulative probability of 0.05 with 10 degrees of freedom. Since the t-distribution is symmetric, this value is the negative of the positive critical point. Therefore, the negative critical point is approximately -1.812.

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The angle of the rhombus is given as 54 degrees (alternate angles)

A rhombus, a four-sided polygon dotted with sides of the corresponding length, has adjacent angles with equal measure and all four edges culminating in 360 degrees.

If one is seeking to identify the measurements of each angle within a rhombus, they may do so by employing the following formula:

angle measurement = (180 - diagonal angle)/2

To begin, single out one of the diagonal angles; then, take 180 minus that angel and subsequently halve it--this is the measure of each neighboring angle.

Repetition of this procedure on the opposing diagonal angle should enable you to uncover all four side lengths of the rhombus.

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The value of angle 1, 2, 3, and 4 is 42⁰, 48⁰, 42⁰ and 42⁰ respectively.

The value of angle 1, 2, 3, and 4 is calculated as follows;

angle 3 = angle 4 (alternate angles are equal)

angle 3 = 42⁰

let the angle adjacent to 3 = y

y = 90 - 42⁰

y = 48⁰

angle 4 + adjacent angle = 180 - (42 + 48)

angle 4 + angle 2 = 180 - 90

angle 4 + angle 2 = 90

angle 4 = 42⁰ (vertical opposite angles)

angle 2 = 90 - 42⁰

angle 2 = 48⁰

angle 1 = angle 4 = 42⁰ (alternate angles).

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The measure of center that would be best to use for this distribution is the median

If the distribution is generally symmetric, the mean is the appropriate measure of center to use. This is because the mean considers every value in the distribution and is affected equally by each value.

As a result, if the dot plot has a skewed distribution, the median is the best measure of center to employ, whereas the mean is the best measure of center to use if the distribution is nearly symmetric.

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At the end of the code, max contains the value of the larger of x and y.

The correct fragment of code that assigns the larger of x and y to another integer variable max is:int max;

if (x > y) {

   max = x;

} else {

   max = y;

}

In this code fragment, we first declare the integer variable max without assigning it a value. We then use an if statement to compare x and y. If x is greater than y, we assign x to max, otherwise, we assign y to max. At the end of the code, max contains the value of the larger of x and y.

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Answer:

We can find the LCM (Least Common Multiple) of these numbers by finding the prime factorization of each number and then multiplying the highest power of each prime factor together.

Prime factorization of 2: 2

Prime factorization of 4: 2^2

Prime factorization of 6: 2 * 3

Prime factorization of 9: 3^2

Prime factorization of 10: 2 * 5

The highest power of 2 is 2^2.

The highest power of 3 is 3^2.

The highest power of 5 is 5^1.

Multiplying these numbers together gives us:

2^2 * 3^2 * 5^1 = 180

Therefore, the LCM of 2, 4, 6, 9, and 10 is 180.

Step-by-step explanation: