2) (10) Sue has a total of $20,000 to invest. She deposits some of her money in an account that returns 12% and the rest in a second account that returns 20%. At the end of the first year, she earned $3460 a) Give the equation that arises from the total amount of money invested. b) give the equation that results from the amount of interest she earned. c) Convert the system or equations into an augmented matrix d) Solve the system using Gauss-Jordan Elimination. Show row operations for all steps e) Answer the question: How much did she invest in each account?

Answer: SSS

Step-by-step explanation:

The lines on the triangles say that 2 of the sides are equal. Th triangles also share a 3rd side that is equal.

So, a side, a side and a side proves the triangles are congruent through, SSS

The values of x, y, and z in the triangle are x = 4, y = 11, and z = 180 - (3x + 4) - (3x - 4).

In the given problem, we are asked to find the values of x, y, and z in a triangle. The information provided states that angle X is equal to 4 degrees and angle N is equal to 11 degrees. Additionally, we have two expressions involving x: (3x + 4) degrees and (3x - 4) degrees.

To find the value of y, we can use the fact that the sum of the interior angles in a triangle is always 180 degrees. In this case, we have x + y + z = 180. Plugging in the given values, we get 4 + 11 + z = 180. Solving for z, we find that z = 180 - 4 - 11 = 165 degrees.

To find the values of x and y, we can use the fact that the sum of the angles in a triangle is always 180 degrees. In this case, we have angle X + angle N + angle K = 180. Plugging in the given values, we get 4 + 11 + K = 180. Solving for K, we find that K = 180 - 4 - 11 = 165 degrees.

Therefore, the values of x, y, and z in the triangle are x = 4, y = 11, and z = 165 degrees.

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The three consecutive even integers are -38, -36, and -34.

Given f(x) = 2x-3 and g(x) = 5x + 4, the composite of f° g(x) = f(g(x)) can be calculated as follows:

Solution: A. Composite (f° g)(x):f(x) = 2x - 3 and g(x) = 5x + 4

Let's substitute the value of g(x) in f(x) to obtain the composite of f° g(x) = f(g(x))f(g(x))

= f(5x + 4)

= 2(5x + 4) - 3

= 10x + 5

B. Composite (g° f)(x):f(x)

= 2x - 3 and g(x)

= 5x + 4

Let's substitute the value of f(x) in g(x) to obtain the composite of g° f(x) = g(f(x))g(f(x))

= g(2x - 3)

= 5(2x - 3) + 4

= 10x - 11

C. Composite (f° g)(-3):

Let's calculate composite of f° g(-3)

= f(g(-3))f(g(-3))

= f(5(-3) + 4)

= -10 - 3

= -13

Given f(x) = x² - 8x - 9 and

g(x) = x²+ 6x + 5,

the composite of f° g(x) = f(g(x)) can be calculated as follows:

Solution: A. Composite (fog)(0):f(x) = x² - 8x - 9 and g(x)

= x² + 6x + 5

Let's substitute the value of g(x) in f(x) to obtain the composite of f° g(x) = f(g(x))f(g(x))

= f(x² + 6x + 5)

= (x² + 6x + 5)² - 8(x² + 6x + 5) - 9

= x⁴ + 12x³ - 31x² - 182x - 184

B. Composite (fog)(1):

Let's calculate composite of f° g(1) = f(g(1))f(g(1))

= f(1² + 6(1) + 5)= f(12)

= 12² - 8(12) - 9

= 111

C. Composite (g° f)(1):

Let's calculate composite of g° f(1) = g(f(1))g(f(1))

= g(2 - 3)

= g(-1)

= (-1)² + 6(-1) + 5= 0

The length and width of an envelope can be calculated as follows:

Solution: Let's assume the width of the envelope to be x.

The length of the envelope will be (x + 4) cm, as per the given conditions.

The area of the envelope is given as 96 cm².

So, the equation for the area of the envelope can be written as: x(x + 4) = 96x² + 4x - 96

= 0(x + 12)(x - 8) = 0

Thus, the width of the envelope is 8 cm and the length of the envelope is (8 + 4) = 12 cm.

Three consecutive even integers whose square difference is 76 can be calculated as follows:

Solution: Let's assume the three consecutive even integers to be x, x + 2, and x + 4.

The square of the third integer is 76 more than the square of the second integer.x² + 8x + 16

= (x + 2)² + 76x² + 8x + 16

= x² + 4x + 4 + 76x² + 4x - 56

= 0x² + 38x - 14x - 56

= 0x(x + 38) - 14(x + 38)

= 0(x - 14)(x + 38)

= 0x = 14 or

x = -38

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The correct answer is B. y=3x-2.

The slope of a line determines its steepness and direction. Parallel lines have the same slope, so for a line to be parallel to 3x+6y=5, it should have a slope of -1/2. Since none of the given options have this slope, none of them are parallel to the line 3x+6y=5. This line has the same slope of 3 as the given line, which makes them parallel.

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The speed of light in diamond is approximately 1.24 x 10⁸ meters per second.

The index of refraction (n) of a given media affects how fast light travels through it. The refractive is given as the speed of light divided by the speed of light in the medium.

n = c / v

Rearranging the equation, we can solve for the speed of light in the medium,

v = c / n

The refractive index of the diamond is given to e 2.42 so we can now replace the values,

v = c / 2.42

Thus, the speed of light in diamond is approximately 1.24 x 10⁸ meters per second.

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If the coefficient of x² in the equation f(x) = 3x² is changed to 3, the graph will be affected if the coefficient of x² is changed to the parabola will be narrower. Thus, option A is correct.

A. The parabola will be narrower.

The coefficient of x² determines the "steepness" or "narrowness" of the parabola. When the coefficient is increased, the parabola becomes narrower because it grows faster in the upward direction.

B. The parabola will not be wider.

Increasing the coefficient of x² does not result in a wider parabola. Instead, it makes the parabola narrower.

C. The parabola will not be translated down.

Changing the coefficient of x² does not affect the vertical translation (up or down) of the parabola. The translation is determined by the constant term or any term that adds or subtracts a value from the function.

D. The parabola will not be translated up.

Similarly, changing the coefficient of x² does not impact the vertical translation of the parabola. Any translation up or down is determined by other terms in the function.

In conclusion, if the coefficient of x² in the equation f(x) = x² is changed to 3, the parabola will become narrower, but there will be no translation in the vertical direction. Thus, option A is correct.

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Complete Question:

If the graph of f(x) = x², how will the graph be affected if the coefficient of x² is changed to 3?

A. The parabola will be narrower.

B. The parabola will be wider.

C. The parabola will be translated down.

D. The parabola will be translated up.

Since dim(U) = 4, which means the dimension of the vector space U is 4, it implies that any element y in U can be represented as the root of a rational polynomial P(x) = Q[x] with a degree less than or equal to 4.

The vector space U is defined as U = {a + b√2 + c√3 + d√6 | a, b, c, d ∈ Q}, where Q represents the field of rational numbers. We are given that the dimension of U is 4, which means that there exist four linearly independent vectors that span the space U.

Since every element y in U can be expressed as a linear combination of these linearly independent vectors, we can represent y as y = a + b√2 + c√3 + d√6, where a, b, c, d are rational numbers.

Now, consider constructing a rational polynomial P(x) = Q[x] such that P(y) = 0. Since y belongs to U, it can be written as a linear combination of the basis vectors of U. By substituting y into P(x), we obtain P(y) = P(a + b√2 + c√3 + d√6) = 0.

By utilizing the properties of polynomials, we can determine that the polynomial P(x) has a degree less than or equal to 4. This is because the dimension of U is 4, and any polynomial of higher degree would result in a linearly dependent set of vectors in U.

Therefore, every element y in U must be the root of some rational polynomial P(x) = Q[x] with a degree less than or equal to 4.

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we have shown that the expression ρ(x,t) = [1/(1 + t^2)] ρ0 [(x/(1 + t^2)) - t] satisfies the advection equation ∂ρ/∂t + v ∂ρ/∂x = -ρ ∂v/∂x.

The density of radioactive material, denoted by ρ(x,t), evolves according to the equation:

∂ρ/∂t + v ∂ρ/∂x = -ρ ∂v/∂x

This equation describes the transport of a substance by a moving medium, where the rate of movement of the radioactive material is influenced by the velocity of the wind, determined by the function v(x,t).

To solve the equation, we use the method of characteristics. We define the characteristic equation as:

x = ξ(t)

and

ρ(x,t) = f(ξ)

where f is a function of ξ.

Using the method of characteristics, we find that:

∂ρ/∂t = (∂f/∂t)ξ'

∂ρ/∂x = (∂f/∂ξ)ξ'

where ξ' = dξ/dt.

Substituting these derivatives into the original equation, we have:

(∂f/∂t)ξ' + v(∂f/∂ξ)ξ' = -ρ ∂v/∂x

Dividing by ξ', we get:

(∂f/∂t)/(∂f/∂ξ) = -ρ ∂v/∂x / v

Letting k(x,t) = -ρ ∂v/∂x / v, we can integrate the above equation to obtain f(ξ,t). Since f(ξ,t) = ρ(x,t), we can express the solution ρ(x,t) in terms of the initial value of ρ and the function k(x,t).

Now, let's solve the advection equation using the method of characteristics. We define the characteristic equation as:

x = x(t)

Then, we have:

dx/dt = v(x,t)

ρ(x,t) = f(x,t)

We need to find the function k(x,t) such that:

(∂f/∂t)/(∂f/∂x) = k(x,t)

Differentiating dx/dt = v(x,t) with respect to t, we have:

dx/dt = (2xt)/(1 + t^2) + 1 + t^2

Integrating this equation with respect to t, we obtain:

x = (x(0) + 1)t + x(0)t^2 + (1/3)t^3

where x(0) is the initial value of x at t = 0.

To determine the function C(x), we use the initial condition ρ(x,0) = ρ0(x).

Then, we have:

ρ(x,0) = f(x,0) = F[x - C(x), 0]

where F(ξ,0) = ρ0(ξ).

Integrating dx/dt = (2xt)/(1 + t^2) + 1 + t^2 with respect to x, we get:

t = (2/3) ln|2xt + (1 + t^2)x| + C(x)

where C(x) is the constant of integration.

Using the initial condition, we can express the solution f(x,t) as:

f(x,t) = F[x - C(x),t] = ρ0 [(x - C(x))/(1 + t^2)]

To simplify this expression, we introduce A(x,t) = (2/3) ln|2xt + (1 + t^2)x|/(1 + t^2). Then, we have:

f(x,t) = [1/(1 +

t^2)] ρ0 [(x - C(x))/(1 + t^2)] = [1/(1 + t^2)] ρ0 [(x/(1 + t^2)) - A(x,t)]

Finally, we can write the solution to the advection equation as:

ρ(x,t) = [1/(1 + t^2)] ρ0 [(x/(1 + t^2)) - A(x,t)]

where A(x,t) = (2/3) ln|2xt + (1 + t^2)x|/(1 + t^2).

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The general solution of the differential equation is: y(t) = c1e^t + c2te^t + c3t²e^t + c4e^(2t) + c5e^(3t)

Thus, c1, c2, c3, c4, and c5 are arbitrary constants.

To find the general solution of the differential equation y⁵ − 8y⁴ + 16y′′′ − 8y′′ + 15y′ = 0, we follow these steps:

Step 1: Substituting y = e^(rt) into the differential equation, we obtain the characteristic equation:

r⁵ − 8r⁴ + 16r³ − 8r² + 15r = 0

Step 2: Solving the characteristic equation, we factor it as follows:

r(r⁴ − 8r³ + 16r² − 8r + 15) = 0

Using the Rational Root Theorem, we find that the roots are:

r = 1 (with a multiplicity of 3)

r = 2

r = 3

Step 3: Finding the solution to the differential equation using the roots obtained in step 2 and the formula y = c1e^(r1t) + c2e^(r2t) + c3e^(r3t) + c4e^(r4t) + c5e^(r5t).

Therefore, the general solution of the differential equation is:

y(t) = c1e^t + c2te^t + c3t²e^t + c4e^(2t) + c5e^(3t)

Thus, c1, c2, c3, c4, and c5 are arbitrary constants.

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For the given continuous data distribution with frequencies, we need to determine the quartile deviation and the value of Q-1.

To calculate the quartile deviation, we first find the cumulative frequencies for the given intervals: 3, 8 (3 + 5), 15 (3 + 5 + 7), and 16 (3 + 5 + 7 + 1). Next, we determine the values of Q1 and Q3.

Using the cumulative frequencies, we find that Q1 falls within the interval 20-30. Interpolating within this interval using the formula Q1 = L + ((n/4) - F) x (I / f), where L is the lower limit of the interval, F is the cumulative frequency of the preceding interval, I is the width of the interval, and f is the frequency of the interval, we obtain Q1 = 22.

For the quartile deviation, we calculate the difference between Q3 and Q1. However, since the options provided do not include the quartile deviation, we cannot determine its exact value.

In summary, the value of Q1 is 22, but the quartile deviation cannot be determined without additional information.

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The correct option is:

c. y¹ = 3 + √(x - 7)

To find the inverse function of y = (x - 3)^2 + 7 for x > 3, we can follow these steps:

Step 1: Replace y with x and x with y in the given equation:

x = (y - 3)^2 + 7

Step 2: Solve the equation for y:

x - 7 = (y - 3)^2

√(x - 7) = y - 3

y - 3 = √(x - 7)

Step 3: Solve for y by adding 3 to both sides:

y = √(x - 7) + 3

So, the inverse function of y = (x - 3)^2 + 7 for x > 3 is y¹ = √(x - 7) + 3.

Therefore, the correct option is:

c. y¹ = 3 + √(x - 7)

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The roots of the equation are;

a. (n +2)(n -8)

b. (x-5)(x-3)

From the information given, we have the expressions as;

f(x) = n² - 6n - 16

Using the factorization method, we have to find the pair factors of the product of the constant and x square, we have;

a. n² -8n + 2n - 16

Group in pairs, we have;

n(n -8) + 2(n -8)

Then, we get;

(n +2)(n -8)

b. y = x² - 8x + 15

Using the factorization method, we have;

x² - 5x - 3x + 15

group in pairs, we have;

x(x -5) - 3(x - 5)

(x-5)(x-3)

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The sequences are:1. Divergent2. Convergent (limit = 4/9)3. Convergent (limit = 1/4)

The following sequences are:

Aₙ = 9 + 4n³/n + 3n²  

Nₙ = Aₙ / N = (9 + 4n³/n + 3n²) / n³/9n+4  

Xₖ = Xₙ = n³ + 3n/Aₙ + n⁴

Let us determine whether each of the given sequences converges or diverges:

1. The first sequence is given by Aₙ = 9 + 4n³/n + 3n²Aₙ = 4n³/n + 3n² + 9 / 1

We can say that 4n³/n + 3n² → ∞ as n → ∞

So, the sequence diverges.

2. The second sequence is  

Nₙ = Aₙ / N = (9 + 4n³/n + 3n²) / n³/9n+4

Nₙ = (4/9)(n⁴)/(n⁴) + 4/3n → 4/9 as n → ∞

So, the sequence converges and its limit is 4/9.3. The third sequence is  

Xₖ = Xₙ = n³ + 3n/Aₙ + n⁴Xₖ = Xₙ = (n³/n³)(1 + 3/n²) / (4n³/n³ + 3n²/n³ + 9/n³) + n⁴/n³

The first term converges to 1 and the third term converges to 0. So, the given sequence converges and its limit is 1 / 4.

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The unique solution to the initial value problem is: y = 1 + x + 6x².

To solve the non-homogeneous problem y" = 12(2x²), let's go through the steps:

1) Homogeneous problem:

The homogeneous equation is y" = 0. The auxiliary equation is ar² + br + c = 0.

2) The roots of the auxiliary equation:

Since the coefficient of the y" term is 0, the auxiliary equation simplifies to just c = 0. Therefore, the root of the auxiliary equation is r = 0.

3) Fundamental set of solutions:

For the homogeneous problem y" = 0, since we have a repeated root r = 0, the fundamental set of solutions is Y₁ = 1 and Y₂ = x. So the complementary solution is Yc = C₁(1) + C₂(x) = C₁ + C₂x, where C₁ and C₂ are arbitrary constants.

4) Particular solution:

To find a particular solution, we can use the method of undetermined coefficients. Since the non-homogeneous term is 12(2x²), we assume a particular solution of the form yp = Ax² + Bx + C, where A, B, and C are constants to be determined.

Taking the derivatives of yp, we have:

yp' = 2Ax + B,

yp" = 2A.

Substituting these into the non-homogeneous equation, we get:

2A = 12(2x²),

A = 12x² / 2,

A = 6x².

Therefore, the particular solution is yp = 6x².

5) General solution and initial value problem:

The general solution is the sum of the complementary solution and the particular solution:

y = Yc + yp = C₁ + C₂x + 6x².

To solve the initial value problem y(0) = 1 and y'(0) = 1, we substitute the initial conditions into the general solution:

y(0) = C₁ + C₂(0) + 6(0)² = C₁ = 1,

y'(0) = C₂ + 12(0) = C₂ = 1.

Therefore, the unique solution to the initial value problem is:

y = 1 + x + 6x².

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he probability of getting one tail when a coin is tossed four times is A.

1/4

When a coin is tossed, there are two possible outcomes: heads (H) or tails (T). Since we are interested in getting exactly one tail, we can calculate the probability by considering the different combinations.

Out of the four tosses, there are four possible positions where the tail can occur: T _ _ _, _ T _ _, _ _ T _, _ _ _ T. The probability of getting one tail is the sum of the probabilities of these four cases.

Each individual toss has a probability of 1/2 of landing tails (T) since there are two equally likely outcomes (heads or tails) for a fair coin. Therefore, the probability of getting exactly one tail is:

P(one tail) = P(T _ _ _) + P(_ T _ _) + P(_ _ T _) + P(_ _ _ T) = (1/2) * (1/2) * (1/2) * (1/2) + (1/2) * (1/2) * (1/2) * (1/2) + (1/2) * (1/2) * (1/2) * (1/2) + (1/2) * (1/2) * (1/2) * (1/2) = 4 * (1/16) = 1/4.

Therefore, the probability of getting one tail when a coin is tossed four times is 1/4, which corresponds to option A.

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Answer: 30 square units

Step-by-step explanation: In quadrilateral EFGH, sides FG ― and EH ― are parallel because they have the same slope. Sides EF ― and GH ― are parallel because they have the same slope. The area of quadrilateral EFGH is closest to 30 square units.

The measure of angle ADB is equal to the square root of ([tex]AB \times BA[/tex]).

In triangle ABC, let the angle bisectors drawn from vertices A and B intersect at point D. To find the measure of angle ADB, we can use the angle bisector theorem. According to this theorem, the angle bisector divides the opposite side in the ratio of the adjacent sides.

Let AD and BD intersect side BC at points E and F, respectively. Now, we have triangle ADE and triangle BDF.

Using the angle bisector theorem in triangle ADE, we can write:

AE/ED = AB/BD

Similarly, in triangle BDF, we have:

BF/FD = BA/AD

Since both angles ADB and ADF share the same side AD, we can combine the above equations to obtain:

(AE/ED) * (FD/BF) = (AB/BD) * (BA/AD)

By substituting the given angle bisector ratios and rearranging, we get:

(AD/BD) * (AD/BD) = (AB/BD) * (BA/AD)

AD^2 = AB * BA

Note: The solution provided assumes that points A, B, and C are non-collinear and that the triangle is non-degenerate.

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185 said they like dogs, 170 said they like cats, 86 said they liked both cats and dogs, and 74 said they don't like cats or dogs. The number of people who were surveyed is 515.

The number of people who were surveyed can be found by adding the number of people who liked dogs, the number of people who liked cats, the number of people who liked both, and the number of people who did not like either. So, the total number of people surveyed can be found as follows:

Total number of people who like dogs = 185

Total number of people who like cats = 170

Total number of people who like both = 86

Total number of people who do not like cats or dogs = 74

The total number of people surveyed = Number of people who like dogs + Number of people who like cats + Number of people who like both + Number of people who do not like cats or dogs

= 185 + 170 + 86 + 74= 515

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The probability of both days being dry is 0.48 (48%), the probability of both days being wet is 0.08 (8%), and the probability of exactly one dry day is 0.44 (44%).

In the given scenario, we have two events: Monday being dry or wet, and Tuesday being dry or wet. We can represent this situation using a tree diagram:

```

         Dry (0.6)

       /         \

  Dry (0.8)    Wet (0.2)

    /               \

Dry (0.8)       Wet (0.4)

```

The branches represent the probabilities of each event occurring. Now we can answer the questions:

1. The probability of both days being dry is the product of the probabilities along the path: 0.6 ˣ 0.8 = 0.48 (or 48%).

2. The probability of both days being wet is the product of the probabilities along the path: 0.4ˣ  0.2 = 0.08 (or 8%).

3. The probability of exactly one dry day is the sum of the probabilities of the two mutually exclusive paths: 0.6 ˣ  0.2 + 0.4 ˣ  0.8 = 0.12 + 0.32 = 0.44 (or 44%).

By using the tree diagram and calculating the appropriate probabilities, we can determine the likelihood of different outcomes based on the given conditional and independent probabilities.

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Mathematics is an interesting subject that is constantly evolving and changing. Researching different areas of Mathematics Teaching can help to advance teaching techniques and increase the knowledge base for both students and teachers.

There are several researchable areas of Mathematics Teaching. One area of research is in the development of new teaching strategies and methods.

Another area of research is in the creation of new mathematical tools and technologies.

A third area of research is in the evaluation of the effectiveness of existing teaching methods and tools.

A fourth area of research is in the identification of key skills and knowledge areas that are essential for success in mathematics.

Finally, a fifth area of research is in the exploration of different ways to engage students and motivate them to learn mathematics.

Overall, there are many different researchable areas of Mathematics Teaching.

By exploring these areas, teachers and researchers can help to advance the field and improve the quality of education for students.

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Step-by-step explanation:

since there is no graph it's a bit hard to answer this question, but I'll try. I can help solve the equation that represents the ratio of the two numbers:

(x + 1/2)/y = 1/3

This can be simplified to:

x + 1/2 = y/3

To graph this equation, you would need to plot points that satisfy the equation. One way to do this is to choose a value for y and solve for x. For example, if y = 6, then:

x + 1/2 = 6/3

x + 1/2 = 2

x = 2 - 1/2

x = 3/2

So one point on the graph would be (3/2, 6). You can choose different values for y and solve for x to get more points to plot on the graph. Once you have several points, you can connect them with a line to show the relationship between x and y.

(Like I said, it was a bit hard to answer this question, so I'm not 100℅ sure this is the correct answer, but if it is then I hoped it helped.)

The partition of matrix B into 2x2 blocks is:

B = [1 2 | 3 4 ;

3 4 | 5 6 ;

------------

1 3 | 4 1 ;

3 4 | 6 3]

To construct the partition of the matrix B into 2x2 blocks, we divide the matrix into smaller submatrices. Each submatrix will be a 2x2 block. Here's how it would look:

B = [B₁ B₂;

B₃ B₄]

where:

B₁ = [1 2; 3 4]

B₂ = [3 4; 5 6]

B₃ = [1 3; 3 4]

B₄ = [4 1; 6 3]

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To find the area of triangle AEB, we use base AB (6 cm) and height 6 cm. Applying the formula (1/2) * base * height, the area is 18 cm².

To find the area of triangle AEB, we need to determine the length of the base AB and the height of the triangle. Since both square ABCD and triangle AABE is standing on the same base AB, the length of AB remains the same for both.

We are given that BD = 6 cm, which means that the length of AB is also 6 cm. Now, to find the height of the triangle, we can consider the height of the square. Since AB is the base of both the square and the triangle, the height of the square is equal to AB.

Therefore, the height of triangle AEB is also 6 cm. Now we can calculate the area of the triangle using the formula: Area = (1/2) * base * height. Plugging in the values, we get Area = (1/2) * 6 cm * 6 cm = 18 cm².

Thus, the area of triangle AEB is 18 square centimeters.

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A bag contains 24 green marbles, 22 blue marbles, 14 yellow marbles, and 12 red marbles. The probability of randomly picking a marble that is not blue is 25/36.

Given,

Total number of marbles = 24 green marbles + 22 blue marbles + 14 yellow marbles + 12 red marbles = 72 marbles
We have to find the probability that we pick a marble that is not blue.

Let's calculate the probability of picking a blue marble:

P(blue) = Number of blue marbles/ Total number of marbles= 22/72 = 11/36

Now, probability of picking a marble that is not blue is given as:

P(not blue) = 1 - P(blue) = 1 - 11/36 = 25/36

Therefore, the probability of selecting a marble that is not blue is 25/36 or 0.69 (approximately). Hence, the correct answer is P(not blue) = 25/36.

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A. Yes, someone can create a design on Desmos on the topic "zero hunger" using at least one of each of the listed functions.

B. To create a design on Desmos related to "zero hunger" using the specified functions, you can follow these steps:

1. Start by creating a set of points that form the outline of a plate or a food-related shape using a polynomial function of an even degree (greater than 2).

For example, you can use a quadratic function like y = ax^2 + bx + c to shape the plate.

Certainly! Here's an example design on Desmos related to the topic "zero hunger" using the given functions:

Polynomial function of even degree (greater than 2):

[tex]\(f(x) = x^4 - 2x^2 + 3\)[/tex]

Polynomial function of odd degree (greater than 1):

[tex]\(f(x) = x^3 - 4x\)[/tex]

Exponential function:

[tex]\(h(x) = e^{0.5x}\)[/tex]

Logarithmic function:

[tex]\(j(x) = \ln(x + 1)\)[/tex]

Trigonometric function:

[tex]\(k(x) = \sin(2x) + 1\)[/tex]

Rational function:

[tex]\(m(x) = \frac{x^2 + 2}{x - 1}\)[/tex]

Sum/difference/product/quotient of two functions:

[tex]\(n(x) = f(x) + g(x)\)[/tex]

These equations represent various functions related to zero hunger. You can plug these equations into Desmos and adjust the parameters as needed to create a design that visually represents the topic.

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We have found that the solutions of the given equation satisfying x > 0, y > 0, and z > 0 are (2, 1, 2√2) and (6, 1, 2√3).

The given equation is x² + 3y² = z², and the conditions are x > 0, y > 0, and z > 0. We need to find all the solutions of this equation that satisfy these conditions.

To solve the equation, let's consider odd values of x and y, where x > y.

Let's start with x = 1 and y = 1. Substituting these values into the equation, we get:

1² + 3(1)² = z²

1 + 3 = z²

4 = z²

z = 2√2

As x and y are odd, x² is also odd. This means the value of z² should be even. Therefore, the value of z must also be even.

Let's check for another set of odd values, x = 3 and y = 1:

3² + 3(1)² = z²

9 + 3 = z²

12 = z²

z = 2√3

So, the solutions for the given equation with x > 0, y > 0, and z > 0 are (2, 1, 2√2) and (6, 1, 2√3).

Therefore, the solutions to the given equation that fulfil x > 0, y > 0, and z > 0 are (2, 1, 22) and (6, 1, 23).

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a) The work done by the force F = 5i + 3j + 2k on a body moving from the origin to the point (3, -1, 2) is 13 units.

b) A vector that is perpendicular to both u = -i + 2j - k and v = 2i - j + 3k is -6i - 7j - 3k.

a) The work done by a force F = 5i + 3j + 2k acting on a body that moves from the origin to the point (3, -1, 2) can be determined using the formula:

Work done = ∫F · ds

Where F is the force and ds is the displacement of the body. Displacement is defined as the change in the position vector of the body, which is given by the difference in the position vectors of the final point and the initial point:

s = rf - ri

In this case, s = (3i - j + 2k) - (0i + 0j + 0k) = 3i - j + 2k

Therefore, the work done is:

Work done = ∫F · ds = ∫₀ˢ (5i + 3j + 2k) · (ds)

Simplifying further:

Work done = ∫₀ˢ (5dx + 3dy + 2dz)

Evaluating the integral:

Work done = [5x + 3y + 2z]₀ˢ

Substituting the values:

Work done = [5(3) + 3(-1) + 2(2)] - [5(0) + 3(0) + 2(0)]

Therefore, the work done = 13 units.

b) To find a vector that is perpendicular to both u = -i + 2j - k and v = 2i - j + 3k, we can use the cross product of the two vectors:

u × v = |i j k|

|-1 2 -1|

|2 -1 3|

Expanding the determinant:

u × v = (-6)i - 7j - 3k

Therefore, a vector that is perpendicular to both u and v is given by:

u × v = -6i - 7j - 3k.

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In Problem 3, the Law of Sines can be used to find the heights of the triangle. The Law of Sines relates the lengths of the sides of a triangle to the sines of their opposite angles. The formula for the Law of Sines is as follows:

a/sin(A) = b/sin(B) = c/sin(C)

where a, b, and c are the side lengths of the triangle, and A, B, and C are the opposite angles.

To find the heights of the triangle using the Law of Sines, we need to know the lengths of at least one side and its opposite angle. In the given problem, the lengths of the sides a = 9 and b = 4 are provided, but the angles A, B, and C are not given. Without the measures of the angles, we cannot directly apply the Law of Sines to find the heights.

To find the heights, we would need additional information, such as the measures of the angles or the lengths of another side and its opposite angle. With that additional information, we could set up the appropriate ratios using the Law of Sines to solve for the heights of the triangle.

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Answer: 33

Step-by-step explanation:

Area ABC = Area of largest triangle - all the other shapes.

Area of largest = 1/2 bh

Area of largest = 1/2 (6+12)(8+5)

Area of largest = 1/2 (18)(13)

Area of largest = 117

Other shapes:

Area Left small triangle = 1/2 bh

Area Left small triangle = 1/2 (8)(6)

Area Left small triangle = (4)(6)

Area Left small triangle = 24

Area Right small triangle = 1/2 bh

Area Right small triangle = 1/2 (12)(5)

Area Right small triangle =30

Area of rectangle = bh

Area of rectangle = (6)(5)

Area of rectangle = 30

area of ABC = 117 - 24 - 30 - 30

Area of ABC = 33