A. Find the measure of YZ if Y is the midpoint of XZ and X Y=2 x-3 and YZ=27-4x.

The man will move faster if he is moving from a position of 0 m to 6 m in 3 seconds than he would have if he moved from a position of -4 m to 0 m in 3 seconds.

In both cases, the man is moving a distance of 6 m in 3 seconds. However, in the first case, the man is starting from a position of rest, while in the second case, he is starting from a position of -4 m. This means that the man will have a higher velocity in the first case than in the second case.

To calculate the velocity of the man in each case, we can use the following equation:

velocity = distance / time

In the first case, the velocity of the man is:

velocity = 6 m / 3 s = 2 m/s

In the second case, the velocity of the man is:

velocity = 6 m / 3 s = 2 m/s

As you can see, the velocity of the man is the same in both cases. However, the man will have a higher acceleration in the first case, since he is starting from a position of rest.

The average velocity of the man would be zero.

The average velocity of an object is calculated by dividing the total distance traveled by the total time taken. In this case, the man traveled a total distance of 0 m, since he started and ended at the same position. The total time taken was 8 seconds. Therefore, the average velocity of the man is 0 m/s.

It will take 6 seconds for the man to reach a position of 12 m.

The man is moving at a constant velocity of 2 m/s. This means that he will travel a distance of 2 m in 1 second. Therefore, it will take 6 seconds for the man to reach a position of 12 m.

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The corresponding likelihood of p(θ,y) is proportional to p(θ,w).

To show that the likelihoods are proportional, demonstrate that the likelihood function of θ given y, denoted as p(θ,y), is proportional to the likelihood function of θ given w, denoted as p(θ,w).

We'll start by applying the change of variables formula to the joint density of y and θ:

p(y, θ) = p(y,θ) p(θ)

Next, we'll use the inverse function theorem to express the joint density in terms of the transformed variables:

[tex]p(y, θ) = p(w(y),θ) p(θ) det(dy,dw)[/tex]

where w(y) is the transformation function and det(dy, dw) is the determinant of the Jacobian matrix of the transformation.

Now, let's calculate the likelihood function of θ given y:

[tex]p(θ,y) = p(y, θ)p(y)\\= [p(w(y),θ) p(θ) det(dy, dw)] [p(w(y)) det(dw, dy)][/tex]

Here, we've also used the fact that p(y) = p(w(y)) det(dw/dy), which is the change of variables formula for the density of y.

Now, let's calculate the likelihood function of θ given w:

[tex]p(θ,w) = p(w, θ) p(w)\\= [p(w,θ) p(θ) det(dw, dy)] [p(w) det(dy, dw)][/tex]

We've used the same logic as before, but this time replacing y with w.

To show that p(θ,y) is proportional to p(θ,w), we need to demonstrate that the ratio of the two likelihood functions is constant:

[tex]p(θ,y) p(θ,w) = [p(w(y),θ) p(θ) det(dy, dw)] [p(w,θ) p(θ) det(dw, dy)]\\= [p(w(y),θ) det(dy, dw)] [p(w,θ) det(dw, dy)][/tex]

Notice that det(dy, dw) det(dw, dy) is the absolute value of the determinant of the Jacobian matrix of the inverse function, which is the inverse of the absolute value of the determinant of the Jacobian matrix of the original transformation.

Since this ratio is a constant, we conclude that p(θ,y) is proportional to p(θ,w).

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Therefore, Wine and Cork Enterprises' required rate of return is 7% for the given information.

The Capital Asset Pricing Model (CAPM) is used to calculate the required rate of return for an investment. It considers the risk-free rate, the market return, the market risk premium, and the beta of the investment.

In this case, the risk-free rate (RF) is given as 5%, the market return (RM) is 7%, and the market risk premium (RPM) is 2%. The beta value for WCE is 1.

Using the CAPM formula, the required rate of return (RR) can be calculated as follows:

[tex]RR = RF + (beta × RPM)[/tex]

Substituting the given values:

RR = 5% + (1 × 2%) = 5% + 2% = 7%

To calculate Wine and Cork Enterprises' (WCE) required rate of return, we need to use the Capital Asset Pricing Model (CAPM). Given the risk-free rate (RF) of 5%, the market return (RM) of 7%, and the market risk premium (RPM) of 2%, along with a beta value of 1 for WCE, we can determine the required rate of return. The required rate of return for WCE is 7%.

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(h⁰g)(-5) = 104. To find the value of (h⁰g)(-5), we need to evaluate the composition of functions h and g.

First, let's find g(-5) by substituting -5 into the function g(x):

g(-5) = 2(-5) = -10

Next, let's find h(g(-5)) by substituting g(-5) into the function h(x):

h(g(-5)) = h(-10)

To find the value of h(-10), we substitute -10 into the function h(x):

h(-10) = (-10)² + 4 = 100 + 4 = 104

Therefore, (h⁰g)(-5) = 104.

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Comparing two iterators s and t with the same value of 42 using the == operator will return false unless they are the same iterator object. To compare values pointed to by iterators, use *s == *t.

Yes, calling `s == t` will return `false` if the iterators `s` and `t` are not the same iterator object, even if both `*s` and `*t` have the same value of 42. This is because iterators are objects that represent positions in a container, and even if two iterators point to the same element in the container, they are still separate objects.

To compare the values pointed to by two iterators, you can use `*s == *t`. This will return `true` if the values pointed to by `s` and `t` are the same, which is the case in this example where both `*s` and `*t` are 42.

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Answer:

h(t) is dependent and 2t is independent. 3 is not a variable at all.

Step-by-step explanation:

Albedo refers to the fraction of incoming solar radiation that is reflected by a surface.

Albedo is a term used to describe the amount of solar radiation that is reflected by a surface. It represents the fraction of incoming radiation that is not absorbed but instead bounced back into space.

Different surfaces have different albedo values; for example, surfaces with high reflectivity, such as snow or ice, have high albedo values, reflecting a significant portion of the incoming radiation. On the other hand, surfaces with low reflectivity, such as dark asphalt or forests, have low albedo values, absorbing more radiation and converting it into heat.

Absorption of radiation refers to the process by which radiation is absorbed by a molecule or surface. When radiation interacts with a molecule or surface, it transfers its energy to that molecule or surface, causing an increase in its temperature.

This process occurs when the energy of the radiation matches the energy levels of the absorbing material. The absorbed radiation is converted into heat energy, which can lead to an increase in temperature of the absorbing material or the surrounding environment.

In summary, albedo represents the fraction of solar radiation reflected by a surface, while absorption of radiation refers to the process of radiation being absorbed by a molecule or surface, raising its temperature through the conversion of energy into heat.

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The eccentricity of the ellipse whose coordinates of vertex are (±10, 0) and foci coordinates are (±1, 0) is 0.1

Given,

Foci (± 1,0) and vertices (± 10,0) .

Here,

Eccentricity : Measure of how nearly circular it is. Eccentricity is defined as c/a, where c is the distance from the center to a focus and a is the distance from the center to a vertex.

Thus to measure the eccentricity firstly measure c and a.

a = distance from center to vertex

a = 10

c = distance from center to focus .

c = 1

Now ,

e = c/a

e = 1/10

e = 0.1

Thus eccentricity is 0.1 .

Eccentricity of ellipse is always in the range 0 < e < 1 .

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The 100 students from a large university represent a sample.

In statistics, a sample is a subset of individuals or observations taken from a larger group known as the population. The purpose of taking a sample is to make inferences and draw conclusions about the population based on the characteristics observed in the sample.

In this scenario, the 100 students from a large university who were asked about their opinion on the new health care program represent a sample. The sample is a smaller group of individuals selected from the larger population of all students at the university. The intention is to gather insights and information about the opinions of the broader population based on the responses obtained from the sample. Statistical inference techniques can be applied to analyze the data collected from the sample and make conclusions or predictions about the entire population.

It is important to note that the sample should be representative of the population to ensure that the conclusions drawn from the sample can be generalized to the larger population accurately. The process of selecting a sample and conducting statistical analyses is an essential part of studying and understanding populations using data and statistics.

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The value of g(f(2)) is 2.The value will be determined using the given functions.

To find the value of g(f(2)), we need to substitute the value of 2 into the function f(x) and then substitute the resulting value into the function g(x). To find g(f(2)), we first need to evaluate the function f(x) at x = 2.

Plugging in the value of 2 into the function f(x) = (x - 2) / 3,

we get,

f(2) = (2 - 2) / 3 = 0 / 3 = 0.

Now that we have the value of f(2), we can substitute it into the function g(x) = 3x + 2. Plugging in f(2) = 0 into g(x),

we get,

g(f(2)) = g(0) = 3(0) + 2 = 0 + 2 = 2.

Therefore, the value of g(f(2)) is 2. By substituting the value of 2 into the given functions, we have determined that the composition g(f(2)) evaluates to 2.

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The statement "The equation 2x + 7 = 2(x + 5) has one solution" is false because we would get 7 = 10 when we simplify the equation.

The equation 2x + 7 = 2(x + 5) can be simplified as shown below:

2x + 7 = 2(x + 5)

Distribute the 2 on the right side:

2x + 7 = 2x + 10

Isolate the variable x by subtracting 2x from both sides:

2x - 2x + 7 = 2x - 2x + 10 [subtraction property of equality]

Simplify:

7 = 10

Since we get 7 = 10, which is not true, it implies that the equation has no solution. Therefore, the statement is "The equation 2x + 7 = 2(x + 5) has one solution" is false.

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Complete Question:

(True or False). The equation 2x + 7 = 2(x + 5) has one solution.

$18,750 was invested in the 4% fund, and $6,250 was invested in the 6% fund, resulting in a total interest of $1,300.

To find the amounts invested in each fund, we set up an equation based on the interest earned.

The interest from the 4% fund is 0.04x, and the interest from the 6% fund is 0.06(25,000 - x).

The total interest earned is 1300, so we have the equation 0.04x + 0.06(25,000 - x) = 1300.

Solving this equation, we find x = 18,750, which represents the amount invested in the 4% fund. Therefore, the amount invested in the 6% fund is 25,000 - 18,750 = 6,250.

Hence, $18,750 was invested in the 4% fund, and $6,250 was invested in the 6% fund.

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Answer:

Step-by-step explanation:

The given system of equations is:

y = x² + c

y = x² + d

To determine whether this system always, sometimes, or never has solutions, we need to analyze the equations and their relationship.

From the equations, we can observe that both equations are quadratic equations in the form y = x² + constant. The key observation is that the coefficients of the x² terms are the same (which is 1) in both equations.

Since the coefficients of the x² terms are equal and the constants (c and d) are different, the graphs of the two equations will always be parallel. This means that the two quadratic equations will never intersect each other.

Therefore, the system of equations y = x² + c and y = x² + d will never have solutions. The reason is that there are no common points of intersection for the two quadratic curves.

In other words, for any values of c and d, the system will never have simultaneous solutions where both equations are satisfied simultaneously.

Hence, the system of equations never has solutions.

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Answer:

Yes they’re independent.

Step-by-step explanation:

The distance of planet x from the earth in kilometers is 63000000000 km.

Light-year is the distance light travels in one year. Light zips through interstellar space at 186,000 miles (300,000 kilometers) per second and 5.88 trillion miles (9.46 trillion kilometers) per year.

For most space objects, we use light-years to describe their distance. A light-year is the distance light travels in one Earth year. One light-year is about 6 trillion miles (9 trillion km).

Since one light-year is 9 × 10⁹ km

The distance of planet x is 7 light-year from earth.

Therefore;

7 × 9× 10⁹

= 63× 10⁹km

= 63000000000 km

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The height of the roller coaster when it reaches the top of the first hill is approximately 80.22 feet.

The height of the roller coaster when it reaches the top of the first hill is approximately 75.77 feet.

the height of the roller coaster at the top of the first hill, we can use trigonometry. Let's denote the height as 'h.'

In a right triangle formed by the height, the length of the track, and the angle of ascent, the angle of ascent (55°) is the angle between the height (opposite side) and the length of the track (hypotenuse). Therefore, we can use the sine function to find the height:

sin(angle) = opposite / hypotenuse

sin(55°) = h / 98

Rearranging the equation, we have:

h = sin(55°) * 98

Using a scientific calculator or table of trigonometric values, we can find that sin(55°) is approximately 0.8192. Plugging this value into the equation, we get:

h = 0.8192 * 98

h ≈ 80.22 feet

Therefore, the height of the roller coaster when it reaches the top of the first hill is approximately 80.22 feet.

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The approximate values of the non-integral roots of the polynomial equation are -5.57, -1.95, 0.21, 1.27, and 4.73. These values represent the values at which the polynomial equation evaluates to zero, indicating the roots of the equation.

To find the roots of a polynomial equation, we set the equation equal to zero and solve for the unknown variable. In this case, we have a polynomial equation with non-integral roots.

To obtain the approximate values of these roots, numerical methods such as iterative methods or numerical approximation techniques can be used. These methods involve making educated guesses and refining the guesses until the equation evaluates to zero.

The resulting approximate values for the non-integral roots of the polynomial equation are -5.57, -1.95, 0.21, 1.27, and 4.73. These values are not exact, but they are close approximations to the actual roots of the equation.

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Answer:

Step-by-step explanation:

To find the indefinite integral ∫(x^6) dx by making a change of variables, we can let u = x^7. Then, we can express dx in terms of du using differentiation.

Differentiating both sides of the equation u = x^7 with respect to x, we get:

du/dx = 7x^6

dx = du / 7x^6

Substituting dx in terms of du in the integral, we have:

∫(x^6) dx = ∫(x^6) (du / 7x^6)

Simplifying the expression, the x^6 terms cancel out:

∫(x^6) dx = ∫(1 / 7) du

Now we can integrate with respect to u:

∫(1 / 7) du = (1/7) ∫ du

The indefinite integral of du is simply u, so we have:

(1/7) ∫ du = (1/7) u + c

Finally, substituting u back in terms of x, we get:

(1/7) u + c = (1/7) (x^7) + c

Therefore, the indefinite integral of x^6 dx, with the change of variables, is (1/7) (x^7) + c, where c represents the constant of integration.

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10 miles is approximately equal to 16.09 kilometers.

To convert miles to kilometers, we can use the conversion factor that 1 mile is approximately equal to 1.609 kilometers. Therefore, to convert 10 miles to kilometers, we can multiply 10 by 1.609:

10 mi * 1.609 km/mi = 16.09 km.

So, 10 miles is approximately equal to 16.09 kilometers.

The conversion factor for miles to kilometers is approximately 1.609. To convert miles to kilometers, you can multiply the number of miles by 1.609. In this case, multiplying 10 miles by 1.609 gives us approximately 16.09 kilometers. So, if you have a distance of 10 miles, it is roughly equivalent to 16.09 kilometers.

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To determine the number of combinations of settings for the three factors, we can use the concept of multiplication principle.

The multiplication principle states that if there are n₁ choices for the first factor, n₂ choices for the second factor, and n₃ choices for the third factor, then the total number of combinations is obtained by multiplying the number of choices for each factor together.

In this case, there are 6 temperature settings, 4 humidity settings, and 6 material choices. Therefore, the total number of combinations is given by: 6 (temperature settings) × 4 (humidity settings) × 6 (material choices) = 144 combinations. Hence, there are 144 different combinations of settings for the engineer to analyze.

By using the multiplication principle, we can determine the number of combinations by multiplying the number of choices for each factor together. In this case, with 6 temperature settings, 4 humidity settings, and 6 material choices, there are a total of 144 combinations of settings available for the engineer to analyze.

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A number's distance from zero on the number line is its absolute value.

The absolute value of a number is its distance from zero on the number line, regardless of whether the number is positive or negative.

It represents the magnitude or size of the number without considering its direction.

For example, the absolute value of -5 is 5, and the absolute value of 5 is also 5. Mathematically, the absolute value of a number "x" is denoted as |x|.

The concept of absolute value is used to measure distances, differences, or magnitudes in various mathematical and real-world contexts.

It allows us to focus solely on the numerical value, independent of its sign or direction.

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The decimal construction of 5 /13 repeats and can be written as 0 384615384615 .The 99th digit to the right of the decimal point in the decimal construction of 5/13 is 4.

To find the 99th digit to the right of the decimal point in the repeating decimal construction of 5/13, we need to determine the repeating pattern of the decimal representation.

The pattern in the decimal construction of 5/13 is 384615 repeating. This pattern consists of six digits: 3, 8, 4, 6, 1, and 5, which repeat indefinitely.

Since the pattern repeats every six digits, we can divide 99 by 6 to find the number of complete repetitions. The quotient is 16, and the remainder is 3.

The first three digits in the repeating pattern are 3, 8, and 4. Therefore, the 99th digit to the right of the decimal point will be the third digit of the repeating pattern, which is 4.

The 99th digit to the right of the decimal point in the decimal construction of 5/13 is 4.

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Answer:

i don't know why (ii) question is asked because the answers is in the question..

Step-by-step explanation:

i hope this is helpful...

if it is then pls mark my answer as brainliest

The solutions to the equation 64x³ - 1 = 0 are x = 1/4 and x = -1/2.

Here, we have,

To find the solutions of the equation 64x³ - 1 = 0 by factoring, we can use the difference of cubes formula:

a³ - b³ = (a - b)(a² + ab + b²).

In this case, we have 64x³ - 1 = (4x)³ - 1³, so we can rewrite it as:

(4x)³ - 1³ = (4x - 1)((4x)² + (4x)(1) + 1²).

Therefore, we have:

(4x - 1)((4x)² + 4x + 1) = 0.

Now, we can set each factor equal to zero and solve for x:

4x - 1 = 0

4x = 1

x = 1/4

(4x)² + 4x + 1 = 0

To solve the quadratic equation (4x)² + 4x + 1 = 0, we can use the quadratic formula:

x = (-b ± √(b² - 4ac)) / (2a).

In this case, a = 4, b = 4, and c = 1.

Substituting these values into the formula, we have:

x = (-4 ± √(4² - 4(4)(1))) / (2(4))

x = (-4 ± √(16 - 16)) / 8

x = (-4 ± √0) / 8

x = (-4 ± 0) / 8

Since the discriminant (b² - 4ac) is zero, we only have one solution:

x = -4/8

x = -1/2

Therefore, the solutions to the equation 64x³ - 1 = 0 are x = 1/4 and x = -1/2.

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Answer:

y = 1/43x + 167/43.

Step-by-step explanation:

y = -43x - 2 is in the slope-intercept form of a line, whose general equation is given by:

y = mx + b, where

Thus, we want the equation of the other line to also be in slope-intercept form.

The slopes of perpendicular lines are negative reciprocals of each other as shown by the formula;

m2 = -1/m1, where

Finding m2:

Thus, we can find m2, the slope of the other line, by plugging in -43 for m1:

m2 = -1/-43

m2 = 1/43

Thus, the slope of the other line is 1/43

Finding b:

We can find b, the y-intercept of the other line by plugging in (5, 4) for (x, y) and 1/43 for m in the slope-intercept form:

4 = 1/43(5) + b

(4 = 5/43 + b) - 5/43

167/43 = b

Thus, the y-intercept of the other line is 167/43.

Therefore, the equation of the line through the point (5, 4) and perpendicular to y = -43x - 2 is y = 1/43x + 167/43.

The lateral area of the cone is approximately 34.6 square centimeters, and the surface area is approximately 43.8 square centimeters.

Given that,

Diamtere of cone = 3.4 cm

Slant height = 6.5 cm

Find the radius of the cone.

The diameter is given as 3.4 centimeters, so the radius is half of that, which is 1.7 centimeters.

Now, use the Pythagorean theorem to find the height of the cone.

The slant height and radius form a right triangle, so we have:

height² + radius² = (slant height)²

⇒ height² + 1.7² = 6.5²

⇒ height² = 6.5² - 1.7²

⇒ height = √(6.5² - 1.7²)

⇒ height ≈ 6.1 centimeters

Now that we have the radius and height,

We can find the lateral area and surface area of the cone.

The lateral area is given by the formula L = πrs,

Where r is the radius and s is the slant height.

Plugging in the values we have, we get:

L = π(1.7)(6.5)

L ≈ 34.6 square centimeters

The surface area is given by the formula

A = πr² + πrs,

Where r is the radius and

s is the slant height.

Plugging in the values we have, we get:

A = π(1.7)²+ π(1.7)(6.5)

A ≈ 43.8 square centimeters

Hence, the lateral area of the cone is approximately 34.6 square centimeters, and the surface area is approximately 43.8 square centimeters.

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The complete question is;

Find the lateral area and surface area of a cone with a

diameter of 3.4 centimeters and a slant height of 6.5

centimeters. Round to the nearest tenth, if necessary.

In this scenario, the financial administrator is interested in determining whether the average cost of tuition plus room and board at small private liberal arts colleges is higher than the reported value of $9,350 per term. To test this hypothesis, we can set up a hypothesis test with the following null and alternative hypotheses:

Null Hypothesis (H₀): The average cost is 9,350 per term.

Alternative Hypothesis (H₁): The average cost is higher than $9,350 per term.

To perform the hypothesis test, we can use the Z-test since we have the population standard deviation. The formula for the Z-test is given by:

where is the sample mean, is the population mean (in this case,   is the population standard deviation  and n is the sample size (350). Using the given values, we can calculate the Z-score:

The next step is to compare the calculated Z-score with the critical value or find the corresponding p-value. Based on the significance level (α) chosen by the administrator, we can make a decision to reject or fail to reject the null hypothesis. Since the significance level  is not provided in the question, we cannot determine the final decision without this information. The choice of α is crucial in hypothesis testing as it determines the level of confidence required to reject the null hypothesis.

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The weight of water in the aquarium can be calculated by determining the volume of water and multiplying it by the weight of a cubic foot of water.

The given dimensions of the aquarium are 36 inches (length) by 24 inches (width) by 16 inches (height). The water level is at 12 inches. To calculate the volume of water, we multiply the length, width, and height of the water-filled portion, which is 36 inches by 24 inches by 12 inches.

Converting the volume to cubic feet (since the weight is given in pounds per cubic foot), we divide the volume by 12^3 (since 12 inches make up a foot) to get the volume in cubic feet.

Finally, we multiply the volume in cubic feet by the weight of a cubic foot of water, which is 62.4 pounds, to find the total weight of water in the aquarium.

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The sets that have no members are: B and F.

Given are 6 sets we need to determine which of them do not have any members in it,

Considering the sets B and F first,

B. The set of all days whose name does not end in the letter Y.

Explanation: There are no days that do not end in Y, such as Monday, Tuesday, Wednesday, Thursday, and Friday. Therefore, this set has no members.

F. The set of all even prime numbers larger than 27.

Explanation: There are no even prime numbers larger than 2. Therefore, this set has no members.

The sets A, C, D, E, G all have members:

A. The set of all odd numbers between 100 and 110 that are a multiple of 3.

105, is an odd multiple of 3 between 100 and 110.

D. The set of states in the United States that have a common border with Massachusetts has members such as New Hampshire, Vermont, New York, Connecticut, and Rhode Island.

E. The set of all negative integers larger than 16 has members such as -17, -18, -19, and so on.

G. The set of all fractions between 1 and 2 has members such as 1/2, 3/4, 7/8, and so on.

Hence the sets with no member are B and F.

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Answer:

104

Step-by-step explanation:

8·[7-2·(6-9)]

= 8·[7-2·(-3)]

= 8·[7 + 6]

= 8·[13]

= 104