Vik is constructing a spherical model of Earth
for his science fair project. His model has a
radius of 24 inches. Since roughly 75% of
Earth's surface is covered by water, he wanted
to paint 75% of his model blue to illustrate
this fact. Approximately how many square
inches on his model will be painted blue?

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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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 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:

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.

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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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

what do u need help with

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 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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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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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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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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Answer:

We have congruent alternate interior angles.

39° + 96° + x° = 180°

135° + x° = 180°

x = 45

Doris needs to complete a total of 30 hours of continuing education to renew her real estate license for the first time. As she has already completed 20.5 hours of CE, she needs to complete an additional 9.5 hours of CE.

It's important to note that continuing education requirements vary by state and licensing board, so it's always a good idea to check with the relevant authorities to ensure you meet all the requirements for license renewal. Real estate agents are typically required to complete a certain number of continuing education hours within a specific time frame in order to maintain their license and stay up-to-date with industry developments and best practices. This is important to ensure they are equipped with the necessary knowledge and skills to provide quality services to their clients.
In summary, Doris needs to complete an additional 9.5 hours of CE to meet the 30-hour requirement for renewing her real estate license for the first time.

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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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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:

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:

C) Perfect correlation

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

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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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?

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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Alang can buy at most 10 hamburgers if he buys 15 drinks.

Let's say Alang buys x hamburgers. Then, he must buy (18 - x) drinks to meet the requirement of buying a minimum of 18 hamburgers and drinks altogether.

The cost of x hamburgers is 7.5x dollars.

The cost of (18 - x) drinks is 2.5(18 - x) = 45 - 2.5x dollars.

The total cost must be less than or equal to $95:

7.5x + (45 - 2.5x) ≤ 95

Simplifying and solving for x, we get:

5x ≤ 50

x ≤ 10

So Alang can buy at most 10 hamburgers if he buys 15 drinks.

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The amount of the loan Cher took out to buy the motorcycle is $9839.

Here, we have,

To find the amount of the loan, we need to calculate Cher's total assets and then subtract her total liabilities (debts).

Given:

Value of motorcycle = $11,357

Cash = $605

Savings account = $1,811

Net worth =$3,934

Total assets = Value of motorcycle + Cash + Savings account

Total assets = $11,357 + $605 + $1,811

Total assets = $13,773

To find the amount of the loan, we subtract the total assets from the net worth:

Loan amount = Total assets - Net worth

Loan amount = $13,773 -$3,934

Loan amount = $9839

Hence, The amount of the loan Cher took out to buy the motorcycle is $9839.

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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)

Answer:

------------------------

Use a combination formula.

We want to select 2 pennies from a set of 6 and 2 dimes from a set of 8.

The number of ways to do this is:

Therefore, there are 420 possible sets of 4 coins that contain 2 pennies and 2 dimes.

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