beyond struggling pls help
FIND THE FOLLOWING MEASUREMENTS

If a person owns 2/3 of a land and sells 1/4 of it, the fraction of the whole land sold can be expressed as 1/4 divided by 2/3.

To divide fractions, we invert the second fraction and multiply. Therefore, we have:

1/4 ÷ 2/3 = 1/4 × 3/2 = 3/8

So, the fraction of the whole land sold is 3/8. This means that the person has 2/3 - 3/8 = 5/24 of the original land remaining after selling 1/4 of it.

To see why this is the case, we can visualize the original land as a pie chart. If the person owns 2/3 of the land, then 1/3 of the land belongs to someone else. If the person sells 1/4 of their share, they are effectively selling 1/4 of 2/3 of the land, or 2/12 of the land. This represents a portion of the pie chart that is 2/12 of the total pie, or 1/6. Therefore, the person now owns 5/6 of the pie chart, or 5/24 of the original land.

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To find the equation in slope-intercept form, y = mx + b, we need to first find the slope using
    [tex]m=\dfrac{y_2-y_1}{x_2-x_1}[/tex]

In this case we have the two points (1,2) and (4,4), so our calculation looks like:

    [tex]m=\dfrac{4-2}{4-1} = \dfrac{2}{3}[/tex]
Notice this is the same "rise over run" that we can count out on the graph.  If we start at (1,2) and go "up 2 units, right 3 units", then we end up at the point (4,4).

Now we need to find b.  We have [tex]y = \frac{2}{3}x+b[/tex], so we need to substitute in one of the points to find b.  Let's use (1,2):

           [tex]2 = \frac{2}{3}\cdot 1+b[/tex]

           [tex]2 = \frac{2}{3}+b[/tex]

    [tex]2 - \frac{2}{3} =b[/tex]

           [tex]\frac{4}{3} =b[/tex]

This gives us our equation: [tex]y = \frac{2}{3}x+\frac{4}{3}[/tex]

The area of the small and large sectors are about 11,760 feet² and 23,520 feet² respectively.

We have to given that;

A circle is shown in image.

Here, We have;

For small sector,

Angle = 120 deg

Radius = 14 feet

Since, Area of sector of circle is,

⇒ A = 1/2 (θr²)

Hence, For small sector,

Area = 1/2 (120 × 14²)

Area = 11,760 feet²

For large sector is,

Area = 1/2 (θr²)

Area = 1/2 (360 - 120) × 14²

Area = 1/2 × 240 × 14²

Area = 23,520 feet²

Thus, The area of the small and large sectors are about 11,760 feet² and 23,520 feet² respectively.

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Answer:

1.1. 3(2a-7)

1.2. 3x(2x+3)

Step-by-step explanation:

Put the common factor on the outside of the parentheses.

1.1. 6a-21

The lowest common factor for 6a and -21 is 3.

     3(2a-7)

1.2. [tex]6x^{2} +9x[/tex]

The lowest common factor for [tex]6x^{2}[/tex] and 9x is 3x.

      3x(2x+3)

To find the first term of an arithmetic sequence, use the formula: first term = last term - (number of terms - 1) * common difference.

To find the first term of an arithmetic sequence given the number of terms, the last term, and the common difference, you can use the following formula

First term = Last term - (Number of terms - 1) * Common difference

Here's how to use this formula

Identify the number of terms, the last term, and the common difference of the arithmetic sequence.

Plug these values into the formula.

Simplify the formula using order of operations (PEMDAS) to find the first term.

For example, let's say we have an arithmetic sequence with 10 terms, a last term of 50, and a common difference of 5. Using the formula above, we get

First term = 50 - (10 - 1) * 5

First term = 50 - 9 * 5

First term = 50 - 45

First term = 5

Therefore, the first term of the arithmetic sequence is 5.

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The equation to find the number of minutes m is 12000 - 100m = 4000

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

Initial volume  = 12000 gallons

Rate of draining = 100 gallons per minute

Final volume of water = 4000 gallons

The equation to find the number of minutes m is represented as

f(m) = Initial volume - Rate of draining * m

So, we have

f(m) = 12000 - 100m

When the volume is at 4000 gallons, we have

12000 - 100m = 4000

Hence, the equation to find the number of minutes m is 12000 - 100m = 4000

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To find the number of vinyl tiles needed to tile a kitchen measuring 24 ft. by 18 ft. with tiles measuring 8 in. each side, we need to convert all measurements to the same units.

First, we need to convert the kitchen measurements from feet to inches:

- 24 ft. = 24 x 12 = 288 in.
- 18 ft. = 18 x 12 = 216 in.

Next, we need to divide the length and width of the kitchen by the length of each tile to find the number of tiles needed in each direction:

- Length: 288 in. ÷ 8 in. = 36 tiles
- Width: 216 in. ÷ 8 in. = 27 tiles

Finally, we multiply the number of tiles needed in each direction to find the total number of tiles needed:

- Total tiles: 36 tiles x 27 tiles = 972 tiles



To tile a kitchen, it is important to accurately calculate the number of tiles needed to ensure that there is enough material to complete the job. In this case, we converted all measurements to the same units and then used division and multiplication to find the total number of tiles needed.



To tile a kitchen measuring 24 ft. by 18 ft. with vinyl tiles measuring 8 in. each side, we need a total of 972 tiles.

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Answer:

46°

Step-by-step explanation:

180-136= 44

x = 180 -90-44

x = 46

The value of the excretion is equal to 15 / 16 inches of precipitation per hour.

In this question we find that a precipitation of 5 / 8 inches of rain is registered in a time of 2 / 3 hour and we are asked to find how many precipitation is registered in a time of an hour, that is, the value of the excretion. The excretion can be found by cross multiplication:

r = (5 / 8 in) / (2 / 3 h)

r = 15 / 16 in / h

A precipitation of 15 / 16 inches in a time of an hour is the value of the excretion.

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The mean expenses of the XYZ Corporation is 9,811.22.

To compute for the mean expenses of the XYZ Corporation, we need to add up all the total expenses of each city and divide it by the total number of cities.

Total Expenses = 4,933.50 + 6,035.70 + 12,276.00 + 6,237.00 + 14,850.00 + 7,590.00 + 7,260.00 + 6,930.00 + 21,780.00 + 11,220.00
Total Expenses = 98,112.20

Number of Cities = 10

Mean Expenses = Total Expenses / Number of Cities
Mean Expenses = 98,112.20 / 10
Mean Expenses = 9,811.22

The mean expenses of the XYZ Corporation is 9,811.22. Since the answer does not require decimals, we do not need to express it in two decimal places. However, we need to follow the reminder that if the answer is more than three digits, we should not include the comma.

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Answer:

-x² + 5x - 1

Step-by-step explanation:

separate the x², the x, and the constants (numbers without any x).

3x² - 4x² = -x²

2x - -3x = 2x + 3x = 5x

-5 - -4 = -5 + 4 = -1.

we have -x² + 5x - 1

If circumference of circle is 8 units then the radius of circle is 1.27 units

The circumference of the circle is 8 units.

We have to find the radius of the circle.

The formula for circumference of cirlce is two times of pi and radius.

Circumference = 2πr.

Where r is the radius of the circle.

The value of radius we have to find.

The circumference is 8 units.

Plug in the values of circumference to find r:

8=2×3.14 r

When 2 is multiplied with three point one four we get six point two eight.

8=6.28 r

Divide both sides by 6.28:

r = 8/6.28

When eight is divided by six point two eight we get one point two seven.

r=1.27 units

Hence,  the radius of circle is 1.27 units when circumference is 8 units.

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Complete question

If circumference of circle is 8 units then find the radius of circle?

Jan created a pattern using the rule "add 3," and Bill created a pattern using the rule "add 6." In arithmetic sequences, the nth term is given by the formula a + (n-1)d, where a is the first term and d is the common difference between any two consecutive terms.

The common difference is the difference between each pair of consecutive terms in a sequence. Because Jan's pattern has a common difference of 3, the nth term in her sequence is given by a + (n-1)3, and because Bill's pattern has a common difference of 6, the nth term in his sequence is given by a + (n-1)6.The nth term in both Jan and Bill's sequence is a linear function of n. The slope of a line is the common difference between any two consecutive terms in a sequence.

As a result, the slopes of Jan and Bill's patterns are 3 and 6, respectively. In general, two patterns are in a linear relationship if their slopes are constant multiples of one another. In this case, Bill's pattern is the result of multiplying Jan's pattern by a factor of 2. As a result, their patterns have a linear relationship. Answer: The patterns have a linear relationship because Bill's pattern is the result of multiplying Jan's pattern by a factor of 2.

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The number of servings of the stew the club can make is 24

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

The dot plot

From the dot plot, we have

Total = 4/8 * 2 + 6/8 + 1 * 3 + 1 2/8 * 1

Evaluate

Total = 6

Each serving can take 1/4 pounds

So, we have

Total = 6/(1/4)

Evaluate

Total = 24

Hence, the servings of the stew the club can make is 24

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Answer:

C) Perfect correlation

The stopping distance of D40 is 2.56 times the stopping distance of D25.

Given that are two initial velocities: 40 mph and 25 mph, with which the car's stopping distance is D40 and D25.

The final velocity for both is 0 mph (as the car to a stops).

We need to compare the stopping distance D40 to the stopping distance D25.

Use the third equation of motion for both cases to get the comparison.

The equation is given by:

[tex]v^2 - u^2 = 2as.[/tex]

Case 1)

[tex]0 - 40^2 = 2a(D40)[/tex]

Case 2)

[tex]0 - 25^2 = 2a(D25)[/tex]

Comparing the obtained expressions.

[tex]\frac{40^2}{25^2} = \frac{2a(D40)}{2a(D25)}[/tex]

[tex]2.56 = \frac{D40}{D25}[/tex]

[tex]2.565 \times D25 = D40[/tex]

Hence the stopping distance of D40 is 2.56 times the stopping distance of D25.

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Answer:

6/9 67%

Step-by-step explanation:

Answer:

2/3

Step-by-step explanation:

66,6% are 2/3 -> 67%

From the 9 parts are 6 left - > 9/6 = 2/3

Answer:

We have congruent alternate interior angles.

39° + 96° + x° = 180°

135° + x° = 180°

x = 45

Calculating this expression, we find that the probability of the service time being one minute or less is approximately 0.6321.

Calculating this expression, we find the probability of the service time being between three and seven minutes is approximately 0.1849.

To answer the questions, we will use the exponential probability distribution formula:

f(x) = λ * e^(-λx)

Where λ is the rate parameter (mean service rate) and x is the service time.

a. To find the probability that the service time is one minute or less, we substitute x = 1 and λ = 100/60 (since there are 60 minutes in an hour and the mean service rate is given per hour):

P(X ≤ 1) = λ * e^(-λx)

P(X ≤ 1) = (100/60) * e^(-(100/60) * 1)

b. To find the probability that the service time is two minutes or less, we substitute x = 2 and λ = 100/60:

P(X ≤ 2) = λ * e^(-λx)

P(X ≤ 2) = (100/60) * e^(-(100/60) * 2)

Calculating this expression, we find that the probability of the service time being two minutes or less is approximately 0.8647.

c. To find the probability that the service time is more than two minutes, we subtract the probability of the service time being two minutes or less from 1:

P(X > 2) = 1 - P(X ≤ 2)

Calculating this expression, we find that the probability of the service time being more than two minutes is approximately 0.1353.

d. To find the probability that the service time is between three and seven minutes, we subtract the probability of the service time being less than three minutes from the probability of the service time being less than seven minutes:

P(3 ≤ X ≤ 7) = P(X ≤ 7) - P(X < 3)

P(3 ≤ X ≤ 7) = (100/60) * e^(-(100/60) * 7) - (100/60) * e^(-(100/60) * 3)

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To find the length of the curve y = ln(cos(x)) from 0 to π/3, we can use the arc length formula for a curve defined by a function y = f(x):

L = ∫[a to b] √(1 + (f'(x))²) dx.

In this case, the function is y = ln(cos(x)). Let's first find the derivative:

y' = d/dx ln(cos(x)).

Using the chain rule, we have:

y' = -tan(x).

Now we can calculate the arc length:

L = ∫[0 to π/3] √(1 + (-tan(x))²) dx.

Simplifying the integrand, we have:

L = ∫[0 to π/3] √(1 + tan²(x)) dx.

Using the trigonometric identity tan²(x) + 1 = sec²(x), we can rewrite the integrand as:

L = ∫[0 to π/3] √(sec²(x)) dx.

Taking the square root of sec²(x), we have:

L = ∫[0 to π/3] sec(x) dx.

Integrating sec(x), we get:

L = ln|sec(x) + tan(x)| [0 to π/3].

Evaluating the integral at the upper and lower limits, we have:

L = ln|sec(π/3) + tan(π/3)| - ln|sec(0) + tan(0)|.

Simplifying further, we have:

L = ln|2 + √3| - ln|1 + 0|.

Since ln|1| = 0, the second term on the right-hand side becomes 0, and we are left with:

L = ln|2 + √3|.

Therefore, the length of the curve y = ln(cos(x)) from 0 to π/3 is ln|2 + √3|.

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It's important to note that without the actual data, I cannot provide a definitive assessment of the model's appropriateness. I recommend conducting the analysis with the provided dataset to draw accurate conclusions about the suitability of the linear regression model.

To develop an estimated regression equation and assess the appropriateness of a simple linear regression model, we need the specific data from the "productioncost" dataset. Since the data is not provided, I cannot perform the analysis or construct the standardized residual plot.

However, I can provide you with a general approach to determine the appropriateness of a simple linear regression model based on a standardized residual plot. After fitting the regression model, you can calculate the standardized residuals by dividing the residuals by their estimated standard deviation. Plotting these standardized residuals against the predicted values can help assess the model's appropriateness.

In a standardized residual plot, if the residuals exhibit random scatter around the horizontal line at zero, with no discernible patterns or trends, it suggests that the linear regression model is appropriate. On the other hand, if there are systematic patterns or trends in the residuals, such as a curved shape or unequal spread, it indicates that the linear regression model may not adequately capture the relationship between the variables.

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To find the volume of the solid with equilateral triangular cross-sections, we need to integrate the area of each equilateral triangle over the interval [0,π]. The area of an equilateral triangle with side length s is given by (s^2√3)/4. Since the triangles have bases running from the x-axis to the curve y=2√sin x, their side lengths will be 2√sin x. Therefore, the volume is given by the integral:

V = ∫[0,π] (2√sin x)^2√3/4 dx

Simplifying, we get:

V = √3∫[0,π] sin x dx

Using the substitution u = cos x, we get:

V = √3∫[-1,1] √(1 - u^2) du

Using the formula for the integral of the half-circle, we get:

V = (√3/2)π

Therefore, the volume of the solid is (√3/2)π.

To find the volume of the solid with square cross-sections, we need to integrate the area of each square over the interval [0,π]. Since the squares have bases running from the x-axis to the curve y=2√sin x, their side lengths will be 2√sin x.

Therefore, the volume is given by the integral:

V = ∫[0,π] (2√sin x)^2 dx

Simplifying, we get:

V = 4∫[0,π] sin x dx

Using the identity ∫sin x dx = -cos x + C, we get:

V = -4cos x ∣[0,π]

Since cos π = -1 and cos 0 = 1, we get:

V = -4(-1 - 1) = 8

Therefore, the volume of the solid is 8.

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Answer:

For 1 is it 1 hour and 15 mins?

Step-by-step explanation:

6 by 32 = 30 mins

12 by 32 = 1 hr

13 by 32 = 15

1hr + 15 mins = 1hr 15 mins

Sorry if incorrect

To find the lower quartile of a set of numbers, we need to determine the value that separates the lowest 25% of the data from the rest. In the given set of numbers, the lower quartile can be found by arranging the data in ascending order and identifying the value at the 25th percentile.

First, let's arrange the data in ascending order: 1 5 6 6 7 7 8 8 8 8 9 9 18 20 20 20 20 20 24 32 50 50 68 100.

To find the lower quartile, we need to determine the position of the 25th percentile. Since there are 23 data points, the 25th percentile corresponds to the value at the (25/100) * 23 = 5.75th position.

Since the position is not a whole number, we need to find the value between the fifth and sixth data points. The fifth data point is 7, and the sixth data point is also 7. Therefore, the lower quartile is 7.

The lower quartile represents the value below which 25% of the data lies. In this case, 25% of the data points are less than or equal to 7. It indicates that a quarter of the values in the dataset are smaller than or equal to 7, while the remaining 75% are larger.

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what do u need help with

Answer:

IDONTKNOW  but your answer might be 35 .

Step-by-step explanation:

i think the answer is

5 x 7

So basically you have 4 and 3 so you want to multiply that and idontrealyknow the rest. eh sorry idontknow i tried.

The value of $\#(\&4)$ is 81. We first evaluated $\&4$ using the definition given, which gave us the value 9. Then, we substituted this value into the definition of $\#x$ to find the final answer of 81.

To find the value of $\#(\&4)$, we first need to evaluate $\&4$. Using the given definition of $\&x$, we have:

$$\&4 = 4 + 5 = 9$$

Now, we can substitute this value into the definition of $\#x$:

$$\#(\&4) = \#9 = 9^2 = 81$$

Therefore, the value of $\#(\&4)$ is 81. We first evaluated $\&4$ using the definition given, which gave us the value 9. Then, we substituted this value into the definition of $\#x$ to find the final answer of 81.
To find the value of #(&4), let's first compute &4.

According to the definition, &x = x + 5. So, &4 = 4 + 5 = 9.

Now we need to find the value of #9. The definition of #x is x², which means #9 = 9² = 81.

Therefore, the value of #(&4) is 81.

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Therefore, the probability that Smith wins 8 dollars before losing all of his money is approximately 0.0479.

To solve this problem, we can use a probability tree diagram to visualize the different possible outcomes.

At each stage, Smith either wins a dollars or loses a dollars, until he either reaches 8 dollars (and wins) or 0 dollars (and loses). We can calculate the probability of each outcome by multiplying the probabilities of the branches leading to that outcome.

Starting with 3 dollars, there are two possible outcomes:

Smith wins a dollar with probability 0.4, leaving him with 4 dollars.

Smith loses a dollar with probability 0.6, leaving him with 2 dollars.

From 4 dollars, there are three possible outcomes:

Smith wins a dollar with probability 0.4, leaving him with 5 dollars.

Smith loses a dollar with probability 0.6, leaving him with 3 dollars.

Smith wins 4 dollars with probability 0.4 * 0.4 = 0.16, leaving him with 7 dollars.

From 5 dollars, there are two possible outcomes:

Smith wins a dollar with probability 0.4, leaving him with 6 dollars.

Smith wins 3 dollars with probability 0.4 * 0.4 = 0.16, leaving him with 8 dollars.

From 6 dollars, there are two possible outcomes:

Smith wins 2 dollars with probability 0.4 * 0.4 = 0.16, leaving him with 8 dollars.

Smith loses a dollar with probability 0.6, leaving him with 5 dollars.

From 7 dollars, there is one possible outcome:

Smith wins 1 dollar with probability 0.4, leaving him with 8 dollars.

Therefore, the probability that Smith wins 8 dollars before losing all of his money is the sum of the probabilities of the outcomes that lead to winning 8 dollars, which is:

0.4 * 0.6 * 0.4 * 0.4 + 0.4 * 0.6 * 0.4 * 0.6 * 0.4 + 0.4 * 0.6 * 0.4 * 0.4 * 0.6 * 0.16 + 0.4 * 0.6 * 0.4 * 0.4 * 0.4 * 0.4 * 0.16 = 0.047872

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