Raj lent out Rs 65,000 for 3 years at 25% per annum and borrowed Rs 60,000 for 2 years at 15% per annum. How mach did he gain or lose?

Answer: -4

Basically, just plug in m and n as the values you were given:

The solution is given by [tex](18r^4+30r^3+25r^2-154r)/(r^6-5r^5+16r^4-45r^3-126r^2+3969r)[/tex]

To perform the indicated operations, we need to find a common denominator for all of the fractions. The common denominator will be the product of the three denominators: [tex](r^2-7r)(r^2+9r)(r^2+2r-63)[/tex].

Next, we will multiply each fraction by the appropriate factor to make the denominators equal. For the first fraction, we will multiply by [tex](r^2+9r)(r^2+2r-63)/(r^2+9r)(r^2+2r-63)[/tex].

For the second fraction, we will multiply by [tex](r^2-7r)(r^2+2r-63)/(r^2-7r)(r^2+2r-63)[/tex]. For the third fraction, we will multiply by [tex](r^2-7r)(r^2+9r)/(r^2-7r)(r^2+9r)[/tex].

After multiplying, we will combine the numerators and keep the common denominator:

[tex](9(r^2+9r)(r^2+2r-63)+10(r^2-7r)(r^2+2r-63)-1(r^2-7r)(r^2+9r))/(r^2-7r)(r^2+9r)(r^2+2r-63)[/tex]

Finally, we will simplify the numerator and denominator as much as possible to get the final answer:

[tex](9r^4+72r^3-567r^2+18r^3+162r^2-1134r+10r^4-70r^(3)+630r^2-20r^3-140r^2+980r-r^4+7r^3-9r^2)/(r^6-7r^5+9r^4-63r^3+2r^5-14r^4+18r^3-126r^2-63r^4+441r^3-567r^2+3969r)[/tex]

[tex](18r^4+30r^3+25r^2-154r)/(r^6-5r^5+16r^4-45r^3-126r^2+3969r)[/tex]

So the final answer is [tex](18r^4+30r^3+25r^2-154r)/(r^6-5r^5+16r^4-45r^3-126r^2+3969r)[/tex]

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Lomasi's rate is 2 miles per hour. She traveled 4 miles in 2 hours, so her rate is 2 miles per hour.

To find Lomasi's current rate, we can subtract the distance she has traveled so far (22 miles) from the total distance (26 miles) to get the distance she traveled in the last 2 hours, which is 4 miles.

Then, we can divide the distance she traveled in the last 2 hours (12 - 10) by the time taken (2 hours) to get her current rate, which is 2 miles per hour.

Therefore, Lomasi's current rate is 2 miles per hour.

Take note that this question is simply ask for Lomasi's current rate, not an average rate.

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Answer:

y=-2x+6

Step-by-step explanation:

When it comes to parallel lines the slopes are the same they just have different y-intercepts.

Our slope for the equation is -2x so we just make a new equation with the same slope.

Since we are asked to put it with a y-intercept of 6 we just add +6 at the end.

Giving us y=-2x+6.

The worth of the equipment after 7 years will be $3145.7

A geometric sequence is a special type of sequence where the ratio of every two successive terms is a constant.

Given is table with values of product for 3 years, we need to find its worth after 7 years, using the formula given,

aₙ = a₁rⁿ⁻¹

The given formula is of geometric sequence,

r = 9600 / 12000 = 0.8

a₁ = 12000

a₇ = 12000(0.8)⁷⁻¹

a₇ = 12000(0.8)⁶

a₇ = 3145.7

Hence, the worth of the equipment after 7 years will be $3145.7

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The another independent solution y2(x) can be found by multiplying y1(x) with the obtained [tex]v(x): y2(x) = y1(x)v(x) = sinh(27x)v(x).[/tex]

To find another independent solution to the given differential equation, [tex]y(x) + p(x)y'(x) + q(x)y(x) = 0[/tex], with one solution [tex]y1(x) = sinh(27x)[/tex], we can use the formula for finding a second linearly independent solution using the Wronskian.

The Wronskian of two independent solutions is given by [tex]W(y1, y2) = y1(x)y2'(x) - y1'(x)y2(x)[/tex]. Since [tex]W(y1, y2)[/tex] is a constant, we can define W as a constant value, let's say c.

Introduce a new function v(x) such that [tex]y2(x) = y1(x)v(x), so y2(x) = sinh(27x)v(x).[/tex] Compute the derivative of y2(x): [tex]y2'(x) = 27cosh(27x)v(x) + sinh(27x)v'(x)[/tex]. Substitute [tex]y1(x), y1'(x), y2(x), and y2'(x)[/tex]into the Wronskian equation: c = [tex]sinh(27x)[27cosh(27x)v(x) + sinh(27x)v'(x)] - 27cosh(27x)sinh(27x)v(x)[/tex]

Divide by [tex]sin(27x)cos(27x)[/tex] to simplify the equation: c / [tex](27sinh(27x)cosh(27x)) = v(x) + (1/27)v'(x).[/tex] Rearrange the equation to obtain a first-order linear differential equation:  [tex]v'(x) - 27v(x) = 27c / sinh(27x)cosh(27x)[/tex]

Solve the differential equation for[tex]v(x)[/tex] (you can use an integrating factor or another method). Finally, the second independent solution [tex]y2(x)[/tex] can be found by multiplying [tex]y1(x)[/tex]with the obtained [tex]v(x): y2(x) = y1(x)v(x) = sinh(27x)v(x).[/tex]

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The mode of the set of variables "17,7,6,3,17,17,4,3,9,5,17,17" is 17 .

The Mode of a data set is defined as the value that appears most frequently in the dataset. The mode is one of the measures of central tendency, along with the mean and median.

The mode is useful in describing the most common value in a dataset, and can be specially helpful when dealing with categorical or discrete data.

The mode can be more than one value or may not exist at all in some datasets.

From the given set of variables "17,7,6,3,17,17,4,3,9,5,17,17",

The number 17 appears 6times, which is more than any other number in the dataset.

Therefore, the mode is 17.

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Answer: He has 80 pages in his book.

The equivalent of the expression is w⁴z⁵/s⁶r⁵

From the question, we have the following parameters that can be used in our computation:

s⁻⁶r⁻⁵w⁵z⁵w⁻⁹

Evaluate the like factors using the law of indices

So, we have the following representation

s⁻⁶r⁻⁵w⁴z⁵

Rewrite the expression without negative exponents.

So, we have

w⁴z⁵/s⁶r⁵

hence, the expression is w⁴z⁵/s⁶r⁵

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a. The null hypothesis for this test is that the intervention has no effect on substance abuse scores and that there is no difference between the scores before and after the intervention. The alternative hypothesis is that the intervention has an effect on substance abuse scores and that there is a statistically significant difference between the scores before and after the intervention.

b. The statistical conclusion of this test is that the intervention had a significant effect on substance abuse scores, with a t-test of -5.918 and a p-value of <0.001. This suggests that there is a statistically significant difference between the scores before and after the intervention.

a. The null hypothesis of this test is that there is no difference in substance abuse scores before and after completing the intervention, or H0: μ1 = μ2. The alternative hypothesis is that there is a difference in substance abuse scores before and after completing the intervention, or Ha: μ1 ≠ μ2.

b. The statistical conclusion of this test is that there is a statistically significant difference in substance abuse scores before and after completing the intervention, t(19) = 4.38, p < 0.001. This means that the intervention was effective in reducing substance abuse behaviors among the clients in the sample. The statistical values that support this conclusion are the t-value of 4.38 and the p-value of less than 0.001, which indicate that the difference in substance abuse scores before and after the intervention is not due to chance.

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The model that represents the answer is a rectangle divided into three pieces with one shaded, which indicates that each friend will receive 1/3 of the candy bar.

What is rectangle?

A rectangle is a four-sided flat shape that has four right angles, where opposite sides are parallel and congruent (i.e., of equal length).

The model that represents the answer to the given problem is a rectangle divided into three pieces with one shaded.

Each friend will receive an equal portion of the candy bar, so the candy bar needs to be divided into three equal parts.

Each part represents the fraction of the candy bar that each kid will receive.

Therefore, the model that represents the answer is a rectangle divided into three pieces with one shaded, which indicates that each friend will receive 1/3 of the candy bar.

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The equation of the function is f(x) = 1/2cos(x)

From the question, we have the following parameters that can be used in our computation:

The sinusoidal graph

The sinusoidal graph is a cosine function

The parent function of a cosine function is

y = cos(x)

Based on the points on the graph, we can see that the graph is shrinked by 2

Mathematically, this is represented as

f(x) = 1/2y

So, we have

f(x) = 1/2cos(x)

Hence, the function is f(x) = 1/2cos(x)

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$630,463.17

The revenue function in dollars from the sale of x campers is given by:

R(x) = 66,000x + 46,000(10+x)^(-1) - 8000

We can simplify this function as follows:

R(x) = 66,000x + 46,000/(10+x) - 8000

= 66,000x + 4600/(1+x/10) - 8000

To find the x-value that maximizes revenue, we need to find the critical points of the function R(x) and then determine whether each critical point corresponds to a local maximum, local minimum, or neither.

Taking the derivative of R(x) with respect to x, we get:

R'(x) = 66,000 - 4600/(1+x/10)^2

Setting R'(x) equal to zero, we get:

66,000 - 4600/(1+x/10)^2 = 0

Multiplying both sides by (1+x/10)^2, we get:

66,000(1+x/10)^2 - 4600 = 0

Expanding and simplifying, we get:

(x+10)^2 = 44/3

Taking the square root of both sides, we get:

x+10 = ±(2*sqrt(11))/3

Subtracting 10 from both sides, we get:

x = -10 ± (2*sqrt(11))/3

So the critical points of R(x) are:

x = -10 + (2sqrt(11))/3 and x = -10 - (2sqrt(11))/3

To determine whether each critical point corresponds to a local maximum, local minimum, or neither, we can use the second derivative test. Taking the second derivative of R(x), we get:

R''(x) = 9200/(1+x/10)^3

At the critical point x = -10 + (2*sqrt(11))/3, we have:

R''(-10 + (2sqrt(11))/3) = 9200/(1+(-10+(2sqrt(11))/3)/10)^3

= 9200/(1+2*sqrt(11)/30)^3

≈ -318.68

Since R''(-10 + (2sqrt(11))/3) is negative, the critical point x = -10 + (2sqrt(11))/3 corresponds to a local maximum of R(x).

Similarly, at the critical point x = -10 - (2*sqrt(11))/3, we have:

R''(-10 - (2sqrt(11))/3) = 9200/(1+(-10-(2sqrt(11))/3)/10)^3

= 9200/(1-2*sqrt(11)/30)^3

≈ 318.68

Since R''(-10 - (2sqrt(11))/3) is positive, the critical point x = -10 - (2sqrt(11))/3 corresponds to a local minimum of R(x).

Therefore, the x-value that maximizes revenue is x = -10 + (2*sqrt(11))/3, and the maximum revenue is:

R(-10 + (2sqrt(11))/3) = 66,000(-10 + (2sqrt(11))/3) + 46,000/(10-10+(2*sqrt(11))/3) - 8000

≈ $630,463.17

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To find the distance between two complex numbers, we use the formula:

|z2 - z1| = sqrt((Re(z2) - Re(z1))^2 + (Im(z2) - Im(z1))^2)

where Re(z) is the real part of z and Im(z) is the imaginary part of z.

Using this formula, we can find the distance between z1 = 3+7i and z2 = -5-2i as follows:

Re(z1) = 3, Im(z1) = 7

Re(z2) = -5, Im(z2) = -2

|z2 - z1| = sqrt((-5 - 3)^2 + (-2 - 7)^2)

= sqrt((-8)^2 + (-9)^2)

= sqrt(64 + 81)

= sqrt(145)

Therefore, the distance between z1 = 3+7i and z2 = -5-2i is sqrt(145).

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The profit function is obtained by subtracting the cost function from the revenue function. In other words, Profit = Revenue - Cost.

In the given question, the profit function is already given as P(x) = -x^(2) + 1230x - 36000. This means that the profit is a function of x, which could represent the number of units sold or produced.

To find the profit for a specific value of x, simply substitute the value of x into the profit function and simplify. For example, if x = 100, then the profit would be:

P(100) = -(100)^(2) + 1230(100) - 36000
P(100) = -10000 + 123000 - 36000
P(100) = 77000

Therefore, the profit when x = 100 is $77,000.

Similarly, you can find the profit for any value of x by substituting the value into the profit function and simplifying.

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Check the picture below.

We can conclude that xᵀy = 0, which means that the eigenvectors x and y are mutually orthogonal. We have proved that for a real auto correlation matrix R, all the eigenvalues are real and eigenvectors corresponding to distinct eigenvalues are mutually orthogonal.

For a real auto correlation matrix R all the eigen values are must be real and eigen vector corresponding to distinct eigenvalues of R are mutually orthogonal.Explanation:Let R be the real auto correlation matrix and λ be the eigenvalues of R. Since R is a real matrix, we know that λ must also be real. Now, let x and y be the eigenvectors corresponding to distinct eigenvalues λ1 and λ2 of R. We can write the following equations:Rx = λ1xRy = λ2yTaking the transpose of the first equation and multiplying both sides by y, we get:xᵀRᵀy = λ1xᵀySince R is a real auto correlation matrix, we know that Rᵀ = R. Therefore, we can rewrite the equation as:xᵀRy = λ1xᵀySubstituting Ry = λ2y into the equation, we get:xᵀ(λ2y) = λ1xᵀySimplifying and rearranging the terms, we get:(λ1 - λ2)xᵀy = 0Since λ1 and λ2 are distinct eigenvalues, we know that λ1 - λ2 ≠ 0. Therefore, we can conclude that xᵀy = 0, which means that the eigenvectors x and y are mutually orthogonal. Thus, we have proved that for a real auto correlation matrix R, all the eigenvalues are real and eigenvectors corresponding to distinct eigenvalues are mutually orthogonal.

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Answer: 85.41 percent

Step-by-step explanation:

2882.45 / 3374.60 = 0.8541 or 85.41%

Answer:

85.416%

Step-by-step explanation:

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I chose the Quadratic Formula and Factoring to solve the quadratic equation 2x squared - 2x - 7 = 0 because they are the two most commonly used methods when solving a quadratic equation.

The Quadratic Formula is an algebraic formula used to solve a quadratic equation, and it is a very useful tool in determining the solutions of a quadratic equation quickly. It is particularly helpful when the quadratic equation has a more complicated form.

Factoring is also a very useful tool when solving a quadratic equation. It involves breaking the equation down into its component parts, and then solving the equation by finding the factors of the equation that add up to zero.

This method is especially helpful in cases where the equation cannot be easily solved using the Quadratic Formula. Both of these methods are very useful in solving a quadratic equation, and I chose them as the two methods to use in this particular example.

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A sunscreen with SPF 15 blocks 93.33% of the sun's UV rays. A sunscreen that blocks 80% of the sun's UV rays blocks 4/5 of the sun's UV rays.The SPF for the sunscreen in part (b) is 5. The sunscreen with SPF 30 blocks 96.67% of the sun's UV rays.

a) To find the percentage of UV rays that a sunscreen with SPF 15 blocks, we can simply divide 14 by 15 and then multiply by 100 to get the percentage:

14/15 * 100 = 93.33%

So a sunscreen with SPF 15 blocks 93.33% of the sun's UV rays.

b) If a sunscreen blocks 80% of the sun's UV rays, we can write this as a fraction by simply dividing 80 by 100:

80/100 = 4/5

So a sunscreen that blocks 80% of the sun's UV rays blocks 4/5 of the sun's UV rays.

c) To find the SPF for the sunscreen in part (b), we can use the formula:

SPF = 1 / (1 - fraction of UV rays blocked)

Plugging in the fraction of UV rays blocked from part (b), we get:

SPF = 1 / (1 - 4/5) = 1 / (1/5) = 5

So the SPF for the sunscreen in part (b) is 5.

d) To determine if the claim on Carol's sunscreen is true, we can use the formula:

fraction of UV rays blocked = 1 - (1 / SPF)

Plugging in the SPF from the label, we get:

fraction of UV rays blocked = 1 - (1 / 30) = 29/30

Converting this fraction to a percentage, we get:

29/30 * 100 = 96.67%

So the sunscreen with SPF 30 blocks 96.67% of the sun's UV rays. This is close to the claim of 97%, but not exactly the same. Therefore, the claim is not completely accurate, but it is close.

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The number of weeks it will take Isla to complete her assignments is 2.

The unitary method is a method for solving a problem by the first value of a single unit and then finding the value by multiplying the single value. Unitary method is a technique by which we find the value of a single unit from the value of multiple devices and the value of more than one unit from the value of a single unit. It is a method that we use for most of the calculations in math.

We are given that;

Number of assignments=27

Time needed by isla=2.5 hrs

hour limit per day=5

Now,

To find out how many hours Isla will spend on her English assignments, we can multiply the number of assignments by the time it takes her to complete each assignment:

27 assignments * 2.5 hours per assignment = 67.5 hours

So Isla will spend a total of 67.5 hours on her English assignments.

To find out how many days it will take Isla to complete her assignments, we need to divide the total number of hours by the number of hours she can work per day:

67.5 hours / 5 hours per day = 13.5 days

Since Isla cannot complete a fraction of a day, she will need to round up to 14 days. So it will take Isla 14 days to complete her assignments.

To find out how many weeks it will take Isla to complete her assignments, we need to divide the total number of days by the number of days per week. Assuming a standard 7-day week, we have:

14 days / 7 days per week = 2 weeks

Therefore, by unitary method the answer will be 2 weeks.

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The distance from a point to a plane can be found by using the formula d = |ax + by + cz + d|/√(a^2 + b^2 + c^2), where (a, b, c) are the coefficients of the plane equation and (x, y, z) are the coordinates of the point.

For the first part of the question, the distance from the point (-1, 3, -5) to the plane 4x – 4y + 3z = -2 can be found by plugging in the values into the formula:
d = |(4)(-1) + (-4)(3) + (3)(-5) + (-2)|/√(4^2 + (-4)^2 + 3^2)
d = |-4 - 12 - 15 - 2|/√(16 + 16 + 9)
d = |-33|/√41
d = 33/√41

For the second part of the question, an equation of the plane through the point (-1, -2, 2) and perpendicular to the vector (5, -1, -2) can be found by using the formula ax + by + cz = d, where (a, b, c) are the components of the vector and (x, y, z) are the coordinates of the point. Plugging in the values gives:
(5)(x - (-1)) + (-1)(y - (-2)) + (-2)(z - 2) = 0
5x + 5 - y - 2 - 2z + 4 = 0
5x - y - 2z = -7

Therefore, the equation of the plane is 5x - y - 2z = -7.

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Answer:

1. 1hour 10minutes = 70 minutes

2. 190 miles

Step-by-step explanation:

1.
*Fraction*

Feet/minutes

- Divide

4/1 - 4feet over 1minute

4/1 = 280/x

4x70=280

1x70= 70

70 minutes = 1 hour 10 minutes

2.
1 hour = 65 miles

65x2hours=130miles

2hours= 130 miles

65x3hours= 195miles

3hours = 195miles

tell me if you still have questions

The required probabilities are,

1. P(A and B) = 7/100.

2. P(AIB) = 16/25

3. P(AIB) = 0.495

4. P(A and B) = 0.7.

Conditional probability is a term used in probability theory to describe the likelihood that one event will follow another given the occurrence of another event.

1. Given:

The probabilities are,

P(A) = 1/5, P(BIA) = 7/20.

P(A and B) = P(A ∩ B) = P(BIA) x P(A)

Now, P(A and B) = 7/20 x 1/5 = 7/100.

2. Given:

P(B) = 3/4, P(A and B) = P(A ∩ B) = 12/25

P(AIB) = P(A ∩ B) /P(B) = 12/25 x 4/3 = 16/25

3. Given:

P(B) = 0.5, P(A and B) = P(A ∩ B) = 0.2475

P(AIB) = P(A ∩ B) /P(B) = 0.2475/0.5 = 0.495

4.  Given:

P(A) = 0.5, P(BIA) = 0.35.

P(A and B) = P(A ∩ B) = P(BIA) x P(A)

Now, P(A and B) = 0.35/0.5 = 0.7.

Therefore, all the required values are given above.

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Answer: The given vector can be expressed as a linear combination of u, v, and w as (14, 9, 14) = u - v + 3w.

Question: Express the following as a linear combination of u =(3, 1,6), v = (1.-1.4) and w=(8,3,8). (14, 9, 14) = ____ u- _____ v+ _____

Current Progress: To express the given vector as a linear combination of u, v, and w, we need to find scalars a, b, and c such that (14, 9, 14) = a*u + b*v + c*w.

Step 1: Write the equation in component form:
(14, 9, 14) = (3a + b + 8c, a - b + 3c, 6a + 4b + 8c)

Step 2: Equate the corresponding components and solve for a, b, and c:
3a + b + 8c = 14
a - b + 3c = 9
6a + 4b + 8c = 14

Step 3: Solve the system of equations using any method (substitution, elimination, etc.). One possible solution is a = 1, b = -1, and c = 3.

Step 4: Plug the values of a, b, and c back into the linear combination equation:
(14, 9, 14) = 1*u + (-1)*v + 3*w

Step 5: Simplify the equation:
(14, 9, 14) = u - v + 3w

Answer: The given vector can be expressed as a linear combination of u, v, and w as (14, 9, 14) = u - v + 3w.

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Step-by-step explanation:

The conjecture that I am trying to convince the skeptic of is that the length of segment BC is greater than the length of segment MN.

First, let us consider the slopes of the lines AC and MN. Since both lines slope slightly down from left to right, we can conclude that the slope of AC is steeper than that of MN. This means that the distance between points A and C is greater than the distance between points M and N.

Next, let us consider the position of point B. Since point B is below the lines, we know that segment BA is shorter than segment BC. This is because segment BC is the hypotenuse of the right triangle BNC, while segment BA is just one of the legs of that triangle.

Finally, we can use the fact that segment BA intersects both lines AC and MN to show that segment MN is shorter than segment BC. This is because segment MN is just one of the legs of the right triangle AMN, while segment BC is the hypotenuse of the larger right triangle ABC. Since the hypotenuse of a triangle is always longer than its legs, we can conclude that segment BC is longer than segment MN.

Therefore, based on the above reasoning, we can conclude that the length of segment BC is indeed greater than the length of segment MN, which confirms our conjecture.

By completing the square, the expression x²+10x+140 can be rewritten in the form (x+A)²+B. Where A=5 and B=-115.

To do this, we need to find the values of A and B.

Start with the original expression: x²+10x+140
Move the constant term to the right side of the equation: x²+10x = -140
Take half of the coefficient of the x term and square it: (10/2)²= 25
Add this value to both sides of the equation: x²+10x+25 = -140+25
Simplify the right side of the equation: x²+10x+25 = -115
Factor the left side of the equation: (x+5)² = -115

Therefore, the expression x²+10x+140 can be rewritten as (x+5)²-115, where A=5 and B=-115.

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The angles of the diagram of a triangle is given by the statements ,

a) m∠5 + m∠6 = 180°

b) m∠2 + m∠3 = m∠6

c) m∠2 + m∠3 + m∠5 = 180°

A triangle is a plane figure or polygon with three sides and three angles.

A Triangle has three vertices and the sum of the interior angles add up to 180°

Let the Triangle be ΔABC , such that

∠A + ∠B + ∠C = 180°

The area of the triangle = ( 1/2 ) x Length x Base

For a right angle triangle

From the Pythagoras Theorem , The hypotenuse² = base² + height²

if a² + b² = c² , it is a right triangle

if a² + b² < c² , it is an obtuse triangle

if a² + b² > c² , it is an acute triangle

Given data ,

Let the triangle be represented as ΔABC

Now , the measures of angles of a triangle are

Let the Triangle be ΔABC , such that

∠A + ∠B + ∠C = 180°

So , the measure of m∠2 + m∠3 + m∠5 = 180°

And , for a straight line = 180° ( angles in a straight line is 180° )

So , m∠5 + m∠6 = 180°

And , the exterior angle of a triangle = sum of the interior opposite angles

So , m∠2 + m∠3 = m∠6

Hence , the angles of a triangle are solved

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The complete question is attached below :

Which statements are always true regarding the diagram? Select three options.

m∠5 + m∠3 = m∠4

m∠3 + m∠4 + m∠5 = 180°

m∠5 + m∠6 =180°

m∠2 + m∠3 = m∠6

m∠2 + m∠3 + m∠5 = 180°