How many solutions can be found for the equation 5x + 3(x − 1) = 10x − 2x − 3? (4 points) None
One
Two
Infinitely many​​

Answer:

C

Step-by-step explanation:

C is the answer because a1=7 , d=-4 and so it's

an=an+(n-1)d

a. Paired t-test – Dependent samples. Relevant parameter: mean sales. (b) Independent samples t-test – Independent samples. Relevant parameter: rating score. (c) Chi-squared test – Independent samples. Relevant parameter:   positive/negative ratings

a. For scenario a, where Hughes records the mean sales before and after the menu change, a paired t-test would be an appropriate statistical method. The samples in this scenario are dependent because they come from the same group of customers (i.e., sales before and after the menu change). The relevant parameter in this case would be the mean sales. To determine whether the difference in mean sales before and after the change is statistically significant, a paired t-test would be used for inference.

b. In scenario b, where Hughes randomly samples 100 people and asks them to rate both menus, an independent samples t-test would be suitable for analyzing the problem. The samples in this scenario are independent because each person rates both menus separately. The relevant parameter would be the rating score. To determine if there is a significant difference in ratings between the two menus, an independent samples t-test can be used for inference.

c. In scenario c, where Hughes randomly samples 100 people and separates them into two groups, asking for positive/negative ratings for the old and new menus, a chi-squared test would be appropriate for analyzing the problem. The samples in this scenario are independent because each person belongs to either group 1 or group 2 and rates only one menu. The relevant parameter would be the proportion of positive and negative ratings for each menu. A chi-squared test can be used to assess whether there is a significant association between the menu (old or new) and the positive/negative ratings.


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Answer:

I think it's 56 is the answer

Answer:

700members

Step-by-step explanation:

36%=252

100%=?

100×252/36

=700

Answer:

700 members in the gym

Step-by-step explanation:

Answer:

the answer should be 24ft

Step-by-step explanation:

Answer:

24 ft

Step-by-step explanation:

1/2hb

4=h

12=b

plug in

1/2(4)(12)= 24

57.594 kilos are equal to 127 pounds. Divide the weight in pounds by 2.2 to get the equivalent weight in kilogram .

1 lb is equal to 0.45359237 kg.

127 lbs is equal to 127 x 0.45359237 kg, or 57.594 kg.

57.594 kilos are equal to 127 pounds. Divide the weight in pounds by 2.2 to get the equivalent weight in kilogrammes. Given that one pound is equivalent to 0.45359237 kilogrammes, this is true. Thus, multiply the weight in pounds by 0.45359237 to get the precise number of kilos.Let's use 127 pounds as an example. Multiply this by 0.45359237 to convert to kilos. 57.594 kg is the outcome, according to this. This is precisely how many kilogram are needed to weigh 127 pounds.Pounds to kilogram translation is a straightforward operation. All you have to do is multiply 0.45359237 by the weight in pounds after dividing it by 2.2. You will receive the kilogramme result for the specified weight in pounds as a result. It's vital to remember that only weights measured in pounds and kilogrammes can be converted using this method. Other computations may be needed if you want to convert between different measuring units.

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Step-by-step explanation:

Example given 0.987.

0.987 = 987/1000

now, to convert the decimal in percentage.

(987/1000 ×100)% = 98.7%.

hope this helps you.

Answer:

12x+4

Step-by-step explanation:

Research has shown that competent communicators achieve effectiveness by adjusting their behaviors to the person and situation (option e).

Effective communication involves being adaptable and responsive to the specific context, individual preferences, and the needs of the situation.

Competent communicators recognize that different people have different communication styles, preferences, and expectations. They understand the importance of tailoring their communication approach to effectively connect and engage with others.

This may involve using appropriate language, tone, non-verbal cues, and listening actively to understand the needs and perspectives of others.

By adapting their behaviors, competent communicators can build rapport, foster understanding, and promote effective communication exchanges. They are mindful of the social and cultural dynamics at play, and they strive to communicate in a way that is respectful, inclusive, and conducive to achieving mutual goals.

In summary, competent communicators understand that effective communication is not a one-size-fits-all approach. They adjust their behaviors to the person and situation, demonstrating flexibility and adaptability in order to enhance communication effectiveness.

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Competent communicators achieve effectiveness mostly by adjusting their behaviors to suit the person they are communicating with and the situation they find themselves in. While other factors, like having a broad vocabulary or giving feedback, play a part in effective communication, the former is considered the most crucial.

Research suggests that competent communicators achieve effectiveness mostly through adjusting their behaviors depending on the person they are communicating with and the situation they are in. This is option e. of your question. Communicating effectively involves behaviors like active listening, understanding the other person's point of view, being able to express thoughts and ideas clearly, and being polite and respectful. While a broad vocabulary (option b.) can be useful, it is not as crucial as adapting your behavior to fit the situation. Moreover, giving feedback (option d.) is a part of effective communication but not the sole defining factor. Apologizing when offending others (option c.) is also important but it doesn't necessarily make one a competent communicator. Using the same type of behavior in various situations (option a.) might not always work, as different situations and individuals require different communication styles.

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The required z-score is -0.5 and the probability that the firm WILL have a negative EPS is 30.85%.

Firm has a loss level EBIT of $175m and an expected EBIT of $200m with a standard deviation of $50m.

Z-score = (EBIT - Expected EBIT) / Standard deviation= (175 - 200) / 50= -0.5

Probability of having a negative EPS:

To find the probability that the firm will have a negative EPS, we need to find the area to the left of Z-score. As the Z-score is negative, we will be finding the left-tail probability using the standard normal table from the link below:

The area to the left of Z-score (0.5) is 0.3085 or 30.85%.

Therefore, the probability that the firm WILL have a negative EPS is 30.85%.

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Answer:

i rly hate graph them but what ever heres the graph

(8,9)

Hope This Helps!!!

Answer:

-12p^7q^9

Step-by-step explanation

-\left(-\frac{2}{3}pq^4\right)^2\cdot \:27p^5q

-27\cdot \frac{2^2p^2q^8}{3^2}p^5q

Multiply the fractions

\frac{2^2p^2q^8\cdot \:27p^5q}{3^2}

-\frac{2^2\cdot \:27p^7q^9}{3^2}

-2^2\cdot \:3p^7q^9

Answer:

Step-by-step explanation:

18: 1, 2, 3, 6, 9, 18

66:, 1,2,3,6,11,22,33,66

the GCF is 6

Poppy's sister used approximately 3.14 inches more wire per wall hanging than Poppy.

To find the amount of wire used by both Poppy and her sister, we'll calculate the circumference of their respective wall hangings using the formula:

C = 2πr

Since the diameter is twice the radius, we can find her sister's radius as follows:

Poppy's radius = 6.25 inches

Poppy's diameter = 2 * 6.25 = 12.5 inches

Sister's diameter = Poppy's diameter + 1 = 12.5 + 1 = 13.5 inches

Sister's radius = 13.5 / 2 = 6.75 inches

Now, we'll calculate the circumferences using the given value for π:

Poppy's circumference = 2 x 3.14 x 6.25 ≈ 39.25 inches

Sister's circumference = 2 x 3.14 x 6.75 ≈ 42.39 inches

Difference = Sister's circumference - Poppy's circumference

Difference = 42.39 - 39.25 = 3.14 inches

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Answer: 5

Step-by-step explanation:

these two triangles are a dilation of each other. triangle QRS is a dilation of triangle ABC times two

Answer:

Area of sector: 48π in^2; Option D

Step-by-step explanation:

~ We can see that the bolded portion of the circle must be the the sector that we need to compute the area of... ~

Let us plan out this problem. If we were to find the area of the circle provided a radius of 12 inches, we could create a proportionality between the degree of the sector, and the degree of the circle ( 360 ) and the area of the sector and the area of the circle.

1. To calculate the area of this circle, let us apply the formula πr^2, such that r is 12 inches ( and let us keep π in terms of π ) ⇒ π * ( 12 )^2 ⇒ 144 * π ⇒ Area of Circle: 144π

2. Let us see this as a proportionality:

Degree of sector/ Degree of circle = Area of sector/ Area of circle

3. Now let us say x ⇒ Area of the sector. Substitute values into this formula, and solve for x through algebra:

120 / 360 = x / 144π,

120 * 144π = 360 * x,

17,280π = 360 * x,

x = 17,280π / 360,

Area of sector: 48π in^2

To evaluate this integral, we need the limits of integration for r and θ, which are not given in the question. Once we have the limits, we can integrate ∫r^4cos(θ)sin(θ) with respect to r and then integrate the result with respect to θ.

To sketch the region of integration, r, we need to analyze the limits of integration. Since the integral is in polar coordinates, we'll have an outer limit, r, and an inner limit, θ. However, the equation of the region is not provided, so we cannot sketch it accurately without more information.

To evaluate the integral ∫∫r^2xy da over r using polar coordinates, we need to express x and y in terms of r and θ. Since r = √(x^2 + y^2) and x = rcos(θ), y = rsin(θ), we can substitute these into the integral.

The integral becomes ∫∫r^2(rcos(θ))(rsin(θ)) r dr dθ. Simplifying further, we have ∫∫r^4cos(θ)sin(θ) dr dθ.

Therefore, to evaluate this integral, we need the limits of integration for r and θ, which are not given in the question. Once we have the limits, we can integrate ∫r^4cos(θ)sin(θ) with respect to r and then integrate the result with respect to θ.

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To calculate the unit race price per copy, we can divide $6.00 by 200 copies:

Each copy cost $0.03, to determine how much will cost 150 copies, we have to multiply the unit rate price by 150:

150 copies will cost $4.5

Hi king,

Write \(4x^{2} + 16x - 9\) in vertex form:

f(x)=\(4x^{2} + 16x - 9\)

f(x)=\(4(x+2)^{2} -25\)

Write \(5x^{2} - 10x + 4\) in vertex form:

g(x)=\(5x^{2} - 10x + 4\)

g(x)=\(5(x-1)^{2} -1\)

Have a great day.

Answer:

48 and 32 6 hours clearing tables and 2 hours tutoring

Step-by-step explanation:

we can rewrite this as a fraction. we will use 1/10s because 80 can be divided by 8 which is in the problem. we then have to find out what two numbers add up to 8 but one is 3 times the other. 6 and 2 fit into this problem so we plug it into the equation and we write it as this 6x+4x=80 where x is 8. we get 48 and 32.

a 21.8 g sample of osmium would occupy a volume of approximately 0.9646 cm³.

To calculate the volume occupied by a sample of osmium, we can use the formula:

Volume = Mass / Density

Given:

Mass = 21.8 g

Density = 22.6 g/cm³

Substituting these values into the formula:

Volume = 21.8 g / 22.6 g/cm³

Simplifying:

Volume = 0.9646 cm³

what is volume?

Volume is a measure of the amount of space occupied by a three-dimensional object or substance. It quantifies the extent or capacity of an object or substance in terms of how much space it occupies.

In mathematical terms, volume is typically measured in cubic units (such as cubic meters, cubic centimeters, or cubic inches). It is calculated by multiplying together the three dimensions of the object (length, width, and height) or by using specific formulas depending on the shape of the object.

For example, the volume of a rectangular box can be calculated by multiplying its length, width, and height. The volume of a cylinder can be calculated using the formula πr²h, where r is the radius of the base and h is the height.

Volume is an essential measurement in various fields such as physics, engineering, chemistry, and everyday life. It helps determine capacities, quantities, displacements, and the amount of space occupied by objects or substances.

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The probability that a person selected randomly from the survey group does not have a two-handed backhand swing, given that the person is male is given as follows:

P(no two-handed backhand/male) = 0.81 = 81%.

The probability of an event in the context of an experiment is obtained as the number of desired outcomes of the experiment divided by the number of total outcomes of the experiment.

In the context of this problem, these amounts are given as follows:

The number of males that have a two-handed backhand is of:

256 - 176 = 80.

Hence the number that does not have is of:

421 - 80 = 341.

Then the probability is of:

p = 341/421 = 0.81 = 81%.

The problem is given by the image at the end of the answer.

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Answer:

Step-by-step explanation:

V=m/d

V=8.4g/(2g/cm³)=4.2cm³

V=4 π R³/3 ;  π≅3.14

R³ =3V/(4 π)=3*4.2cm³/(4*3.14)=12.6cm³/12.56 ≅ 1.0 cm³

=>R=∛(1.0 cm³) =1.0 cm

The radius of the spherical grape is 1.0 cm.

Density refers to the measurement of the amount of mass of a substance per unit of volume.

This measurement of a pure substance has the same value as its mass concentration. Densities vary with different materials or substances.

i.e., V=m/d

Given that, the mass of a spherical grape is 8.4 grams and its density is 2 grams per cubic centimeter.

V = 8.4g/(2g/cm³) = 4.2cm³

V = 4 π R³/3  

R³ =3V/(4 π) = 3*4.2cm³/(4*3.14)=12.6cm³/12.56 ≅ 1.0 cm³

R =1.0 cm

Hence the radius of the spherical grape is 1.0 cm.

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Probability of none of them say they will vote for Trudeau = 0.0123.

To answer this question, we need to first calculate the probability of an individual not voting for Trudeau. Since the probability of someone voting for Trudeau is 31.01%, the probability of someone not voting for Trudeau would be:

1 - 0.3101 = 0.6899

We can use this probability to find the probability that none of the 4 individuals we ask will say they will vote for Trudeau. This is a binomial probability problem where the number of trials is 4, the probability of success (not voting for Trudeau) is 0.6899, and we want to find the probability of 4 failures (none of the 4 individuals say they will vote for Trudeau).

We can use the binomial probability formula:

P(X=k) = (n choose k) * \(p^k * (1-p)^{(n-k)}\)

Where P(X=k) is the probability of k successes in n trials, (n choose k) is the binomial coefficient, p is the probability of success, and (1-p) is the probability of failure. In this case, k=0 (4 failures), n=4, p=0.6899, and (1-p)=0.3101.

P(X=0) = (4 choose 0) * 0.6899^0 * 0.3101^4

P(X=0) = 0.0123 (rounded to 4 decimal places)

Therefore, the probability, after asking 4 individuals, that none of them say they will vote for Trudeau is 0.0123.

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Answer:

A relation is a set of ordered pairs that represent a connection between two variables, where the first value of the pair is the independent variable, and the second value is the dependent variable.

A function is a specific type of relation where for each input value (independent variable), there is exactly one output value (dependent variable). This means that there cannot be two different outputs for the same input value in a function.

In the given graph, we can see that there are two points with the same x-coordinate, -1, but different y-coordinates, 3 and -2. Therefore, for the input value of -1, there are two different output values, violating the definition of a function.

Hence, the relation represented by the given graph is not a function.

Therefore the answer is: No, because for each input there is not exactly one output.

Answer:

(63a+54b) and (2xy+11yz)

Step-by-step explanation:

9*7a is 63a

9*6b is 54b

2x*y is 2xy

11z*y is 11yz

See below for the vocabularies and their correct definition

Match the following vocabulary

The terms are given as:

To get the inverse of a conditional, the hypothesis and the conclusion are negated, without interchanging them.

So, we have:

Inverse of a conditional ⇒ A new statement formed by negating both the hypothesis and the conclusion.

To get the contrapositive of a conditional, the hypothesis and the conclusion are negated, after interchanging them.

So, we have:

Contrapositive of a conditional ⇒ Formed by exchanging the hypothesis and the conclusion and negating both of them.

To get the converse of a conditional, we simply interchange the hypothesis and the conclusion, without negating them

So, we have:

Converse of a conditional ⇒ A statement formed by interchanging the hypothesis and the conclusion in a conditional statement.

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Answer:

The answer is Convers because it literally takes the hypothesis and the conclusion and interchanges them.

Step-by-step explanation:

The equation of line that passes a point (–3, 7) and has slope of 4, in the point-slope form is y - 7 = 4 (x + 3)

A linear equation can be expressed in three forms:

- slope intercept form : y = mx + c

- point-slope form: y - y₁ = m (x - x₁)

- standard form: Ax + By + C = 0

Where:

m = slope

(x₁, y₁) = point on the line

A, B, C are constant

In this problem, the point is (–3, 7) and the slope is 4. Hence,

x₁ = –3

y₁ = 7

m = 4

Plug these parameters into the equation:

y - y₁ = m (x - x₁)

y - 7 = 4 (x - (-3))

y - 7 = 4 (x + 3)

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