Write the decimal 2. 6 as a simplified fraction

A = ∫(from 0 to 2π) ∫(from 4 to 6) (r * dr * dθ) is the area inside the curve r = 5 + sin(θ).

To find the area inside the curve r = 5 + sin(θ) using double integrals, we will convert the polar equation into Cartesian coordinates and then set up a double integral for the area.

First, recall the conversion formulas for polar to Cartesian coordinates: x = r * cos(θ) and y = r * sin(θ). The given polar equation is r = 5 + sin(θ). Now, we need to find the bounds of integration for both r and θ.

To find the bounds for θ, we observe the curve r = 5 + sin(θ) is a limaçon. Since sin(θ) oscillates between -1 and 1, the curve will have an inner loop when r = 5 - 1 = 4 and an outer loop when r = 5 + 1 = 6. Thus, the bounds for θ are from 0 to 2π.

Now, we need to find the bounds for r. Since r varies from the inner loop to the outer loop, the bounds for r will be from 5 - 1 = 4 to 5 + 1 = 6.

Now we set up the double integral for the area inside the curve. The area element in polar coordinates is given by dA = r * dr * dθ. Therefore, the area A can be found using the double integral:

A = ∫(∫(r * dr * dθ))

With the bounds for r and θ, the double integral becomes:

A = ∫(from 0 to 2π) ∫(from 4 to 6) (r * dr * dθ)

Solving this double integral will give us the area inside the curve r = 5 + sin(θ)

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The test statistic for this problem is given as follows:

t = (242 - 250)/(12/sqrt(24))

The equation for the test statistic in the context of the problem is defined as follows:

[tex]t = \frac{\overline{x} - \mu}{\frac{s}{\sqrt{n}}}[/tex]

In which:

The parameters for this problem are given as follows:

[tex]\overline{x} = 242, \mu = 250, s = 12, n = 24[/tex]

Hence the test statistic is given as follows:

t = (242 - 250)/(12/sqrt(24))

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The volume of the solid obtained by rotating the region bounded by the curves y=67x² and y=137 about the line y=0 is 12,432,384π/5.

To find the volume of the solid, we need to use the method of cylindrical shells. The formula for the volume of a cylindrical shell is V = 2πrhΔx, where r is the distance from the axis of rotation to the shell, h is the height of the shell, and Δx is the thickness of the shell.

Since the line of rotation is y=0, the distance from the axis of rotation to the shell is simply x. The height of the shell is the difference between the two curves, which is y=137 - 67x². The thickness of the shell is Δx, which is a small change in x.

Therefore, the volume of the solid is given by the integral:

V = ∫(2πx)(137-67x²)dx from x=0 to x=√(137/67)

Evaluating this integral gives:

V = 12,432,384π/5

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The given statement only applies to the specific sample that was used in the study and may not be representative of the entire adult American population.

Based on the information provided, it may not be reasonable to conclude that more than one-third of adult Americans would select a wrong answer to this question. Additionally, the sample size is not provided, so it is difficult to accurately estimate the proportion of the entire population that would choose the wrong answer. However, the information does suggest that there is a significant percentage of individuals who may not fully understand the question or the answer choices. It would be necessary to conduct further research with a larger and more diverse sample to determine a more accurate estimate of the proportion of the population that would select a wrong answer to this question.

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As per the unitary method, we can make 40 servings from two quarts of milk.

A unitary method is a mathematical technique used to find out the value of a single unit based on the value of multiple units. In this problem, we need to find out how many servings can be made from two quarts of milk.

Firstly, we need to convert two quarts into cups. As given in the problem, 1 quart = 2 pints and 1 pint = 2 cups. Therefore, 1 quart = 2 x 2 = 4 cups. Hence, 2 quarts = 2 x 4 = 8 cups.

Now, we can use the unitary method to find out the number of servings that can be made from 8 cups of milk. We know that 3 cups of milk are used to make 15 servings. Therefore, 1 cup of milk is used to make 15/3 = 5 servings.

Hence, 8 cups of milk will be used to make 8 x 5 = 40 servings.

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from 2007 to 2012 is only 5 years, so we can see this as a compound interest with a rate of 1.2% per annum for 5 years, so

hope this helped!

The sums and products of the given questions are :

(a) [7] + [5] = [1]

(b) [7] · [5] = [2]

(c) [-82] + [207] = [4]

(d) [-82] · [207] = [9]

We will express the sums and products as [r], where 0 ≤ r < 11.
(a) [7] + [5]
To find the sum, simply add the two numbers together and then take the result modulo 11.
[7] + [5] = 7 + 5 = 12
12 modulo 11 = 1
So, the sum is [1].

(b) [7] · [5]
To find the product, multiply the two numbers together and then take the result modulo 11.
[7] · [5] = 7 × 5 = 35
35 modulo 11 = 2
So, the product is [2].

(c) [-82] + [207]
To find the sum, add the two numbers together and then take the result modulo 11.
[-82] + [207] = -82 + 207 = 125
125 modulo 11 = 4
So, the sum is [4].

(d) [-82] · [207]
To find the product, multiply the two numbers together and then take the result modulo 11.
[-82] · [207] = -82 × 207 = -16974
-16974 modulo 11 = 9
So, the product is [9].

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Answer:

The maximum amount of water that the rectangular container will hold can be calculated by finding its volume.

The volume of a rectangular container is given by the formula:

Volume = length x width x height

In this case, the length is 30 inches, the width is 24 inches, and the height is 25.8 inches. So we have:

Volume = 30 in x 24 in x 25.8 in

Volume = 18,576 cubic inches

Therefore, the maximum amount of water that the rectangular container can hold is 18,576 cubic inches.

So the answer is 18,576 in3.

Answer:

The answer to your problem is, 18,576 [tex]ft^{3}[/tex]

Step-by-step explanation:

In order to find the area of the rectangular container. We will use the formula down below:

l × w × h

So replace step by step:

30 × w × h

30 × 24 × h

30 × 24 × 25.8

Then that will equal:

= 18,576 represented as option a.

Thus the answer to your problem is, 18,576 [tex]ft^{3}[/tex]

1.) The quantity of the wall space that is being pennant covers would be = 10.85cm.

To calculate the area covered by the pennant is to use the formula for the area of triangle which is the shape of the pennant.

That is ;

Area = ½ base× height.

Base = 6.2 cm

height = 3.5

Area = 1/2 × 6.2 × 3.5

= 21.7/2

= 10.85cm

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Answer:

Each side of square ACEG has length 10 since √(6^2 + 8^2) = √(36 + 64) = √100 = 10, so the area of square ACEG is 100.

To calculate a 95% confidence interval for the slope on the line, we would need to perform linear regression on the data to obtain an estimate for the slope and its standard error. In summary, we can use the confidence interval for the slope as evidence for a linear relationship between GRE score and chance of admission if the interval does not contain zero.

We can then use this estimate and standard error to construct the confidence interval. Assuming α = 0.05, if the confidence interval does not contain zero, we can use this as evidence that there is a linear relationship between GRE score and chance of admission. This is because if the slope is significantly different from zero, it suggests that there is a non-zero relationship between the two variables.
To calculate a 95% confidence interval for the slope of a linear regression line, you'll need to know the standard error of the slope and the critical t-value. Here are the steps:
1. Calculate the slope (b) and the standard error of the slope (SEb) using your dataset. This usually requires a statistical software package, as it involves complex calculations.
2. Find the critical t-value (t*) corresponding to α/2 (0.025) and the degrees of freedom (df) of the dataset. You can use a t-distribution table or online calculator for this.
3. Calculate the lower and upper bounds of the confidence interval for the slope:

  Lower Bound = b - (t* × SEb)
  Upper Bound = b + (t* × SEb)
If the calculated 95% confidence interval for the slope contains zero, it means that there's a possibility the true slope is zero, and thus, there might not be a linear relationship between GRE score and chance of admission. On the other hand, if the interval doesn't contain zero, it serves as evidence of a linear relationship between the variables.
Remember that the confidence interval only provides evidence for a relationship, and not a definitive conclusion.

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The suitable equation for n in terms of t is: n(t) = [tex]Ce^{(kt)[/tex], where C and k are constants.

Since the rate of increase of n is proportional to n, we can write this as dn/dt = kn, where k is the proportionality constant. Solving this differential equation, we get n(t) =  [tex]Ce^{(kt)[/tex], where C is the constant of integration. We can determine the value of C from an initial condition, such as the number of phones sold at time t=0.

The value of k can be determined from the rate of increase of n over a given time interval. The resulting equation can be used to predict the number of phones sold at any time t after the release of the smartphone.

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After performing the calculation, we find that there are 85,900,584 possible combinations of 7 numbers out of the 49 available in the Washington Lotto.

In the Washington Lotto, there are 49 possible numbers and you need to choose 7 of them. As you mentioned, the order does not matter, so we will use the concept of combinations to find the number of possible outcomes. In general, the number of combinations of n items taken r at a time is given by the formula:

C(n, r) = n! / (r!(n-r)!)

In this case, we have n = 49 and r = 7, so we can plug these values into the formula:

C(49, 7) = 49! / (7!(49-7)!)

Calculating the factorials and simplifying, we get:

C(49, 7) = 49! / (7!42!)

After performing the calculation, we find that there are 85,900,584 possible combinations of 7 numbers out of the 49 available in the Washington Lotto. Remember that this assumes the order of the numbers drawn does not matter, so each unique combination of 7 numbers is considered a single possibility.

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On a hot summer day, you visit an ice cream shop that offers 15 ice cream flavors, 3 types of cones, and 8 toppings. If you want one ice cream flavor, one cone, and one topping, there are a total of 360 possible combinations you can create.

To find the total number of possible combinations, you simply multiply the number of options for each category. In this case, you have 15 ice cream flavors, 3 types of cones, and 8 toppings.

So, the total combinations would be: 15 (flavors) × 3 (cones) × 8 (toppings) = 360 possible combinations. You can create 360 different ice cream combinations at the shop on a hot summer day.

This is calculated by multiplying the number of ice cream flavors (15) by the number of cone types (3) and the number of toppings (8), which equals 360. So, there are plenty of delicious options to choose from to cool off on a hot summer day.

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Answer:

Step-by-step explanation:

Have you heard of PEMDAS

The second partial derivatives of the following function, so the mixed partial derivatives of f(x,y) are equal.

To find the second partial derivatives of f(x,y) = ln(1+xy), we first need to find the first partial derivatives:

f_x = (1/(1+xy)) * y

f_y = (1/(1+xy)) * x

To find the second partial derivatives, we differentiate each of these partial derivatives with respect to x and y:

f_xx = -y/(1+xy)^2

f_xy = 1/(1+xy) - y/(1+xy)^2

f_yx = 1/(1+xy) - x/(1+xy)^2

f_yy = -x/(1+xy)^2

To show that the mixed derivatives f_xy and f_yx are equal, we can compare their expressions:

f_xy = 1/(1+xy) - y/(1+xy)^2

f_yx = 1/(1+xy) - x/(1+xy)^2

We can see that these expressions are equal, so:

f_xy = f_yx

Therefore, the mixed partial derivatives of f(x,y) are equal.

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In the polar coordinate system, the region R corresponds to 0 ≤ r ≤ (2 - 9sin(θ))/(9cos(θ) + 9sin(θ)) and 0 ≤ θ ≤ π/2.

To evaluate the given iterated integral ∫∫R (1 - y²)/(9(x + y)) dA, where R is the region in the xy-plane bounded by the curves x = 0, y = 1, and 9(x + y) = 2, we can convert it to polar coordinates for easier computation.

In polar coordinates, we have x = rcos(θ) and y = rsin(θ), where r represents the distance from the origin and θ is the angle measured counter clockwise from the positive x-axis.

The integral becomes ∫∫R (1 - r²sin²(θ))/(9(rcos(θ) + rsin(θ))) r dr dθ. In the polar coordinate system, the region R corresponds to 0 ≤ r ≤ (2 - 9sin(θ))/(9cos(θ) + 9sin(θ)) and 0 ≤ θ ≤ π/2.

In the given integral, we substitute x and y with their respective polar coordinate representations. The numerator becomes 1 - r²sin²(θ), and the denominator becomes 9(rcos(θ) + rsin(θ)). Multiplying the numerator and denominator by r, we have (1 - r²sin²(θ))/(9(rcos(θ) + rsin(θ))) = (1 - r²sin²(θ))/(9r(cos(θ) + sin(θ))). We then rewrite the double integral as two separate integrals: the outer integral with respect to θ and the inner integral with respect to r. The limits of integration for θ are 0 to π/2, while the limits for r are determined by the curve 0 = (2 - 9sin(θ))/(9cos(θ) + 9sin(θ)).

We can simplify this curve to 2cos(θ) - 9sin(θ) = 9, which represents an ellipse in the xy-plane. The limits of r correspond to the radial distance within the ellipse for each value of θ. By evaluating the double integral using these limits, we can determine the result of the given iterated integral.

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The integral of the function f(x, y) = 1/ln(x) over the given region is equal to 2. To integrate the function f(x,y) = 1/ln x over the given region, we need to set up a double integral.

First, let's find the limits of integration. The region is bounded by the x-axis, line x=3 and curve y=ln x. So, we can integrate with respect to x from 1 to 3 and with respect to y from 0 to ln 3.

Thus, the double integral is:

∫∫R (1/ln x) dy dx

Where R is the region bounded by the x-axis, line x=3 and curve y=ln x.

We can integrate this by reversing the order of integration and using u-substitution:

∫∫R (1/ln x) dy dx = ∫0^ln3 ∫1^e^y (1/ln x) dx dy

Let u = ln x, then du = (1/x) dx.

Substituting for dx, we get:

∫0^ln3 ∫ln1^ln3 (1/u) du dy

Integrating with respect to u, we get:

∫0^ln3 [ln(ln x)] ln3 dy

Finally, integrating with respect to y, we get:

[ln(ln x)] ln3 (ln 3 - 0) = ln(ln 3) ln3

Therefore, the value of the double integral is ln(ln 3) ln3.
To integrate the function f(x, y) = 1/ln(x) over the given region bounded by the x-axis (y=0), the line x=3, and the curve y=ln(x), we will set up a double integral.

The integral can be expressed as:

∬R (1/ln(x)) dA,

where R is the region defined by the given boundaries. We can use the vertical slice method for this problem, with x ranging from 1 to 3 and y ranging from 0 to ln(x):

∫(from x=1 to x=3) ∫(from y=0 to y=ln(x)) (1/ln(x)) dy dx.

First, integrate with respect to y:

∫(from x=1 to x=3) [(1/ln(x)) * y] (evaluated from y=0 to y=ln(x)) dx.

This simplifies to:

∫(from x=1 to x=3) (ln(x)/ln(x)) dx.

Now integrate with respect to x:

∫(from x=1 to x=3) dx.

Evaluating the integral gives:

[x] (evaluated from x=1 to x=3) = (3 - 1) = 2.

So, the integral of the function f(x, y) = 1/ln(x) over the given region is equal to 2.

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There are over 22 billion possible license plates with the given restrictions.

To find the number of different license plates possible in 2020 with the given restrictions, we need to use the principle of multiplication.

There are a total of 26 letters in the English alphabet, but we cannot use the letters d, t, or x in the fourth position, or the letters i, o, or q in any position.

For the first three positions, we have 26 options for each position, since we can use any letter. Therefore, the number of possible combinations for the first three positions is 26 x 26 x 26 = 17,576.

For the fourth position, we cannot use the letters d, t, or x, so we have 23 options.

For the fifth position, we have 26 options again, since we can use any letter.

For the sixth position, we cannot use the letters i, o, or q, so we have 23 options.

Therefore, the total number of possible license plates is:

17,576 x 23 x 26 x 23 = 22,075,269,568

So, there are over 22 billion possible license plates with the given restrictions.

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The sketch will look like a set of coordinate axes with a horizontal line passing through the point (2,3), a diagonal line increasing as we move to the right passing through the points (2,3) and (3,4), a steeper diagonal line increasing as we move to the right passing through the points (2,3) and (3,5), and a diagonal line decreasing as we move to the right passing through the points (2,3) and (3,0).

To sketch the lines through the given point and slopes, we first plot the point (2,3) on a set of coordinate axes. (a) When the slope is 0, the line will be a horizontal line passing through the point (2,3). Any point on this line will have a y-coordinate of 3, so we can draw the line as a straight line parallel to the x-axis passing through the point (2,3).

(b) When the slope is 1, the line will be a diagonal line passing through the point (2,3) and increasing as we move to the right. We can start by plotting another point on the line, such as (3,4), which has a slope of 1 from the point (2,3). Then, we can draw a straight line passing through both points.

(c) When the slope is 2, the line will be a steeper diagonal line passing through the point (2,3) and increasing as we move to the right. We can again start by plotting another point on the line, such as (3,5), which has a slope of 2 from the point (2,3). Then, we can draw a straight line passing through both points.

(d) When the slope is -3, the line will be a diagonal line passing through the point (2,3) and decreasing as we move to the right. We can start by plotting another point on the line, such as (3,0), which has a slope of -3 from the point (2,3). Then, we can draw a straight line passing through both points.

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[tex]\sf P =\dfrac{A}{1+rt}[/tex].

[tex]\sf A=P+Prt[/tex]

[tex]\sf \dfrac{A}{P} =\dfrac{P+Prt}{P} \\ \\\\ \dfrac{A}{P} =\dfrac{P}{P}+\dfrac{Prt}{P}\\ \\ \\\dfrac{A}{P} =1+rt[/tex]

What we're doing here is basically switching places between numerators and denominators.

[tex]\sf \dfrac{P}{A} =\dfrac{1}{1+rt}[/tex]

[tex]\sf (A)\dfrac{P}{A} =\dfrac{1}{1+rt}(A)\\ \\ \\\sf P =\dfrac{A}{1+rt}[/tex]

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To find the work done by pumping out water over the top of the tank until the water level inside the tank is at 2 meters, we first need to find the volume of water in the tank when it is filled to a level of three-quarters of the height of the tank.

The volume of a pyramid is given by the formula V = (1/3)Ah, where A is the area of the base and h is the height of the pyramid. In this case, the base is a 2 meter by 2 meter square, so its area is 4 square meters. The height of the pyramid is 8 meters, so the volume of the pyramid is V = (1/3)(4)(8) = 32/3 cubic meters.

When the water is filled to a level of three-quarters of the height of the tank, the volume of water in the tank is (3/4)(32/3) = 8 cubic meters.

The mass of the water in the tank is given by m = ρV, where ρ is the mass density of water. In this case, ρ = 1000 kg/m3, so the mass of the water in the tank is m = (1000)(8) = 8000 kg.

The weight of the water in the tank is given by W = mg, where g is the gravitational acceleration. In this case, g = 9.8 m/s2, so the weight of the water in the tank is W = (8000)(9.8) = 78400 N.

To pump out water over the top of the tank until the water level inside the tank is at 2 meters, we need to remove a volume of water equal to the difference in volume between the water level at three-quarters of the height of the tank and the water level at 2 meters.

The volume of water we need to remove is (1/3)(4)(6) - (1/3)(4)(2) = 4 cubic meters.

The mass of the water we need to remove is m = ρV = (1000)(4) = 4000 kg.

The work done to pump out the water is equal to the weight of the water times the distance it is pumped, which is the height of the water that is pumped out. In this case, the height of the water that is pumped out is 8 - 2 = 6 meters.

So the work done is W = mgd = (4000)(9.8)(6) = 235200 J.

Therefore, the work done by pumping out water over the top of the tank until the water level inside the tank is at 2 meters is 235200 J.

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The calculated value of the mean of a and b is 10

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

20 - b = a

a = 16

Substitute the known values in the above equation, so, we have the following representation

20 - b = 16

Evaluate the like terms

b = 4

The mean of a and b is calculated as

Mean = (a + b)/2

So, we have

Mean = (16 + 4)/2

Evaluate

Mean = 10

Hence, the mean value of a and b is 10

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(a) The Laplace Transform of f(t) = te^(at) is defined as:

Lf(t) = ∫₀^∞ f(t) e^(-st) dt

Substituting f(t) into this formula, we get:

Lf(t) = ∫₀^∞ te^(at) e^(-st) dt

= ∫₀^∞ t e^((a-s)t) dt

We can integrate this expression by parts, using u = t and dv = e^((a-s)t) dt. Then du = dt and v = (1/(a-s)) e^((a-s)t).

The integral becomes:

Lf(t) = [t (1/(a-s)) e^((a-s)t)] ∣₀^∞ - ∫₀^∞ (1/(a-s)) e^((a-s)t) dt

Since e^((a-s)t) goes to 0 as t goes to infinity, the first term evaluates to 0. The second term is an integral we can easily evaluate:

Lf(t) = [-1/(a-s)] [e^((a-s)t)] ∣₀^∞

= [1/(s-a)]

Therefore, the Laplace Transform of f(t) = te^(at) is:

Lf(t) = [1/(s-a)]

(b) Let f(t) = t cosh(at) for t > 0. Using the identity cosh(at) = (1/2) (e^(at) + e^(-at)), we can express f(t) as:

f(t) = (t/2) (e^(at) + e^(-at))

Using linearity and the result from part (a), the Laplace Transform of f(t) is:

Lf(t) = (1/2) Lt e^(at) + (1/2) Lt e^(-at)

= (1/2) [1/(s-a)^2] + (1/2) [1/(s+a)^2]

= [(s^2 + a^2)/(2s^2 - 2as + 2a^2)]

Therefore, the Laplace Transform of f(t) = t cosh(at) is:

Lf(t) = [(s^2 + a^2)/(2s^2 - 2as + 2a^2)]

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Answer:

Step-by-step explanation:

Answer:

The distance measure is 4.2 ft

Step-by-step explanation:

Here, we want to get the distance from the bottom of the ladder to the side of the house

To get this, we can see that what we have is a right-angled triangle

We need to apply the appropriate trigonometric identity to get the value of what we want

Let us call the measure we want to calculate x

Mathematically;

Tan 72 = 13/x

x = 13/tan 72

x = 4.2 ft

Therefore, both plans are the same when 200 minutes are used in a month.

Let's assume that the business charges is the number of minutes used in a month is represented by "m".

For the first cell phone company that charges $50 for unlimited usage, the cost per month is always $50, regardless of the number of minutes used.

For the second cell phone company that charges $30 and 10 cents per minute, the cost per month is given by the equation:

Cost = $30 + $0.10 × m

We want to find out when the cost for the second cell phone company equals the cost for the first cell phone company. In other words, we want to solve the equation:

$50 = $30 + $0.10 × m

Subtracting $30 from both sides, we get:

$20 = $0.10 × m

Dividing both sides by $0.10, we get:

m = 200

If the number of minutes used is less than 200, the second cell phone company's plan is cheaper, and if the number of minutes used is greater than 200, the first cell phone company's plan is cheaper.

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The number of cylindrical container that will fill the box is approximately 10.

Each cylindrical container has a height of 8 inches and a base with a radius of 3 inches.

The box is 24 inches long, 12 inches wide, and 8 inches high.

Therefore, let's find the number of cylindrical container that will contain the boxes.

Therefore,

volume of the box = lwh

volume of the box = 24 × 12 × 8

volume of the box = 2304 inches³

volume of the cylindrical container = πr²h

where

Therefore,

volume of the cylindrical container =  3.14 × 3² × 8

volume of the cylindrical container =  3.14 × 9 × 8

volume of the cylindrical container =  226.08 inches³

Hence,

number of cylindrical containers that will fill the boxes = 2304 / 226.08 ≈ 10

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Hi!

Requirement: An 80meter long rope was cut into four pieces. The four pieces were distributed among Form One, Form Two, Form Three and Form Four students. In this distribution, Form One got 15 metres, Form Two got 20 metres, Form Three got 40 metres and the rest of the pieces was given to Form Four.

a) write the fraction of the piece of rope distributed into each class.

b) Which fraction is the largest of all the fractions?

c) Find the different between the largest fraction and the smallest fraction​

Answer:

a) To write the fractions of the pieces of rope distributed into each class, we need to first determine the total length of the rope distributed, which is:

15 + 20 + 40 + x = 80

Where x is the length of the rope given to Form Four. Solving for x, we get:

x = 80 - 15 - 20 - 40 = 5

Therefore, Form Four got 5 meters of the rope. Now we can write the fractions as follows:

b) To determine which fraction is the largest, we can compare the fractions using a common denominator. In this case, the common denominator is 16, so we can rewrite the fractions as:

From this, we can see that the fraction 8/16, which is equivalent to 1/2, is the largest.

c) The difference between the largest fraction and the smallest fraction is:

8/16 - 3/16 = 5/16

Therefore, the difference between the largest and smallest fractions is 5/16 of the total length of the rope, which is equivalent to:

(5/16) * 80 = 25 meters.

I hope I helped you!

Answer: 0

Step-by-step explanation:

Given 4c-y when 4c = 3 and -y = -3

Now on substitution, we get

3-3 = 0

The parts are explained in the solution.

Given is a figure, where MP bisects the angle OML, angles N and L are equal,

a) To prove MP║NL :-

Since, MP bisects ∠OML,

So, ∠OMP = ∠LMP

Since,

∠OMP = 70°,

Therefore,

∠OMP = ∠LMP = 70°

Also,

∠L = 70°

Angles ∠LMP and ∠L are alternate angles and are equal therefore,

MP║NL by the converse of alternate angles theorem.

Proved.

b) Given that, ∠NML = 40°,

∠OMP = ∠LMP = x

∠NML + ∠OMP + ∠LMP = 180° [angles in a straight line]

x + x + 40° = 180°

2x = 140°

x = 70°

Therefore,

∠OMP = ∠LMP = 70°

Since

∠LMP and ∠L are alternate angles therefore, ∠LMP = ∠L = 70°,

According to angle sum property of a triangle,

∠LMN + ∠L + ∠N = 180°

∠N = 70°

c) No, the measure of the angles will be not true.

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