3 Write down the gradient of each line segment.
​

Answer:

58

Step-by-step explanation:

Answer: 58°

Step-by-step explanation:

We know it's a right triangle, one of them must be 90°. The sum of the three interior angles are 180°, so we know the sum of the other two angles is 180 - 90 = 90°.

If one of the angles is 32°, another angle is 90 - 32 = 58°

To answer the questions, we need the value of P% (individual attached data 1) representing the percentage of defective parts produced by the machine.

Assuming we have the value of P%, we can use the binomial distribution formula to find the probabilities. The formula is given by:

[tex]P(x) = C(n, x) * p^x * (1 - p)^{(n - x)}[/tex]

Where:

P(x) is the probability of x successes (defective parts),

C(n, x) is the number of combinations of n items taken x at a time,

p is the probability of success for each trial (P% converted to a decimal),

n is the total number of trials (50 parts in this case).

Using this formula, we can calculate the probabilities for finding 0, 1, 2, 3, and 4 defective parts in a sample of 50 parts.

To visualize the probabilities, we can create a graphical illustration using appropriate computer software, such as a bar chart or a probability distribution plot, showing the probabilities for each number of defective parts.

Additionally, we can find the probability that less than three components will be defective by summing the probabilities of finding 0, 1, and 2 defective parts. Similarly, we can find the probability that no more than three components will be defective by summing the probabilities of finding 0, 1, 2, and 3 defective parts.

Once we have the value of P% (individual attached data 1), we can perform the calculations and provide the graphical illustration to further illustrate the probabilities.

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The Laurent series of cos z centered at z = 1 is: cos(z - 1) = ∑((-1)^n * ((2n C k) * z^(2n - k)))/(2n)!

To obtain the Laurent series of the function cos z centered at z = 1, we can use the known Maclaurin series expansion of the cosine function and then adjust it for the center of expansion.

The Maclaurin series expansion of cos z is given by:

cos z = ∑((-1)^n * z^(2n))/(2n)!

To center the expansion at z = 1, we can substitute z - 1 for z in the series:

cos(z - 1) = ∑((-1)^n * (z - 1)^(2n))/(2n)!

Expanding this expression using the binomial theorem, we have:

cos(z - 1) = ∑((-1)^n * ((-1)^n * (2n C k) * z^(2n - k)))/(2n)!

Simplifying further, we obtain:

cos(z - 1) = ∑((-1)^n * ((2n C k) * z^(2n - k)))/(2n)!

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Answer:

A.

B.

E.

Step-by-step explanation:

hope this helps ❤️

Answer:2 to 3

Step-by-step explanation:

Answer:

Step-by-step explanation:

Answer: 1,145,375 centimeters cubed

Step-by-step explanation:

Answer: 1,145,375cm I think

Step-by-step explanation:

Number line wasn't added to the original question

Answer:

Carlos rode his bike 1 2/3 miles to Tim's house then 1 2/3 to the park. What number line shows u the total number of miles that Carlos rode from house to the park

Step-by-step explanation:

Distance biked to Tim's house = 1 2/3 miles

Distance biked to park = 1 2/3 miles

Total number of miles Carlos rode from house to park :

1 2/3 + 1 2/3

5/3 + 5/3

(5 + 5) / 3

10 /3

= 3 1/3 miles

Answer:

(1/5 mi) / (1/15 hr) = 1/5 * 15/1 = 3 mi/hr

hope this helps

Step-by-step explanation:

Answer:

c=14.87

Step-by-step explanation:

use pythagorean theroem

10^2 + 11^2 =c^2

solve

100+121=c^2

c^2=221

c=14.87(rounded to nearest hundredths )

Answer: 56

Step-by-step explanation: According to AIA(Alternate Interior Angles Congruency) they are equal. So just solve the equation that they're both equal to each other and you get x=-6. Plug this back in to find the angle measure, 56! Hope this helped!

Answer:

x = -6

56 degrees

Step-by-step explanation:

Those two angles that are labeled are equal for a reason that I forgot (but trust me they are). So, -8x+8 = -6x+20

just solve the equation to get x = -6

after plugging in -6 for x, you get that the angles that are labeled are 56 degrees.

Answer:

80 fl oz

2qts = 8 cups

The winding number of a closed contour C about a point zo is defined as the integral of the function 1/(z - zo) over the contour C, divided by 2πi.

The winding number, denoted as n(C, zo), measures how many times the contour C wraps around the point zo in the counterclockwise direction. It is a topological property of the contour and is an integer value.

To calculate the winding number, we evaluate the integral 1/(z - zo)dz along the contour C. The contour must be positively oriented (counterclockwise) and enclose the point zo. The integral measures the net change in the argument of the complex number z - zo as we traverse the contour.

The value of the integral divided by 2πi gives us the winding number, which represents the number of times the contour wraps around the point zo in the counterclockwise direction.

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The function is not symmetric about the y-axis or the origin, which is consistent with the conclusion that it is neither odd nor even. A function can be categorized as odd, even or neither depending on its symmetry about the y-axis and the origin of the graph.

To determine whether a function is odd, even or neither, we need to check whether the function satisfies the following conditions:If f(-x) = f(x), then the function is evenIf f(-x) = -f(x), then the function is oddIf f(-x) ≠ f(x) and f(-x) ≠ -f(x), then the function is neither.

Now let's evaluate whether the given function f(x) = 3 − 4|x| is even, odd or neither. Evaluating f(-x) and f(x) :f(-x) = 3 - 4|(-x)|f(-x) = 3 + 4|x|Comparing the value of f(-x) and f(x) :f(-x) ≠ f(x) and f(-x) ≠ -f(x).

Therefore, the given function is neither odd nor even.Here is the graph of the function. We can see that the function is not symmetric about the y-axis or the origin, which is consistent with the conclusion that it is neither odd nor even.

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Answer:

a) 12:45 am

b) 7:30 pm

c) 20:15

d) 0:00

Step-by-step explanation:

a) We know that the 24-hour clock has no "am" or "pm" because in a day, there are 24 hours, so "pm" would simply be more than 12 hours.

The 12th hour marks noon, which is "12:00 pm" in 12-hour times. Anything after that would start from 1 and would be marked with a pm.

So 12:45 in 12-hour format would be 12:45 pm because it's passed the noon-mark, which is the 12th hour. Anything after noon would be marked with a "pm."

b) Same thing here: 19:30 has also passed the noon mark, the 12th hour. It would be marked with a "pm."

But there is no "19 'o clock" in 12-hour format (hence the 12-hour 12 hours). So to find that, we know that it has already passed noon. We can subtract to find how many hours it has passed noon:

19 - 12 = 7

So it's the 7th hour.

So it would be 7:30 pm.

c) Because there is no "am" or "pm" in the 24-hour clock, we have to see how many hours past noon it has been.

8:15 pm means it has passed noon by 8 hours and 15 minutes. So we add this to the noon mark (first 12 hours of the day).

12 + 8 = 20

This is our hours. We can attach it to the minutes: 20:15.

d) Midnight in 12-hour terms would be 12:00 am. It would be officially the next day, and it's a reset button.

If it were Saturday today, and it's 11:59 pm, it's still Saturday. But once that clock turns 12:00 pm, it's Sunday.

This means that no time has passed during Sunday yet—it just reset.

So it would be 0:00 because no time has passed officially on Sunday yet.

The value of the chi-square statistic for the given sample is 1.846 (rounded to three decimal places).

Chi-square Test Chi-square test is a type of statistical test that is used to find a relationship between two categorical variables.The given table shows the age distribution and location of a random sample of 166 buffalo in a national park.

Age Lamar District Nez Perce District Firehole District Row TotalCalf 14 17 10 41Yearling 13 11 9 33Adult 36 30 26 92Column Total 63 58 45 166Calculation: The formula for the Chi-Square goodness-of-fit test statistic is:χ2 = Σ [ (O − E)2 / E ]Where,χ2 = chi-square statisticO = observed valueE = expected valueExpected frequency formula:E = (row total * column total) / n

Where,n = grand totalExpected Frequency Calf Yearling Adult Lamar District 41*63/166 = 15.590 33*63/166 = 12.530 92*63/166 = 35.879 Nez Perce District 41*58/166 = 14.339 33*58/166 = 10.979 92*58/166 = 32.682 Firehole District 41*45/166 = 11.071 33*45/166 = 9.491 92*45/166 = 25.437

Chi-square test statistic can be calculated by using the below formula:χ2 = Σ [ (O − E)2 / E ]

Chi-square test statistic = (14 - 15.590)^2/15.590 + (17 - 14.339)^2/14.339 + (10 - 11.071)^2/11.071 + (13 - 12.530)^2/12.530 + (11 - 10.979)^2/10.979 + (9 - 9.491)^2/9.491 + (36 - 35.879)^2/35.879 + (30 - 32.682)^2/32.682 + (26 - 25.437)^2/25.437χ2 = 0.390 + 0.557 + 0.082 + 0.043 + 0.079 + 0.022 + 0.009 + 0.534 + 0.130χ2 = 1.846 (rounded to three decimal places)

Thus, the value of the chi-square statistic for the given sample is 1.846 (rounded to three decimal places).

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The value of the chi-square statistic for the sample is 1.396 (rounded to 3 decimal places).

To find the chi-square statistic for the given sample, we need to perform the following steps:

Step 1: Calculate the expected frequency for each cell.

Step 2: Calculate the chi-square statistic using the formula.

The expected frequency for each cell is calculated by multiplying the row total and column total for that cell and dividing by the grand total.

Expected frequency for the cell (1,1) = (41*63)/166

= 15.542.

Expected frequency for the cell (1,2) = (41*58)/166

= 14.458.

Expected frequency for the cell (1,3) = (41*45)/166

= 11.000.

Expected frequency for the cell (2,1) = (33*63)/166

= 12.542.

Expected frequency for the cell (2,2) = (33*58)/166

= 11.458.

Expected frequency for the cell (2,3) = (33*45)/166

= 8.000.

Expected frequency for the cell (3,1) = (92*63)/166

= 35.000.

Expected frequency for the cell (3,2) = (92*58)/166

= 31.542.

Expected frequency for the cell (3,3) = (92*45)/166

= 25.458.

The chi-square statistic is calculated using the formula:

[tex]X^2 = \sum(O - E)^2[/tex] / Ewhere O is the observed frequency and E is the expected frequency.

The calculation is shown in the table below:

Age   Lamar District Nez   Perce District Firehole   District Row Total
Calf      14 17 10 41
Yearling 13 11 9 33
Adult 36 30 26 92
Column Total 63 58 45 166
Expected frequency 15.542 14.458 11.000 12.542 11.458 8.000 35.000 31.542 25.458
[tex](O - E)^2 / E[/tex] 0.022 0.160 0.072 0.154 0.113 0.305 0.067 0.102 0.401
[tex]X^2 = \sum(O - E)^2[/tex] / E = 1.396 (rounded to 3 decimal places).

Therefore, the value of the chi-square statistic for the sample is 1.396 (rounded to 3 decimal places).

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Answer:

First, there are  

3

numbers (6, 7, 8) greater than  

5

on a spinner numbered  

1

-

8

(1, 2, 3, 4, 5, 6, 7, 8). Therefore, there is a:

3

8

probability of spinning a number greater than  

5

.

However, there is only a 50-50 or  

1

2

chance of tossing a tail on a coin.

Therefore the probability of spinning a number greater than  

5

AND tossing a tail is:

3

8

×

1

2

=

3

16

Or

3

in  

16

Or

18.75%

Step-by-step explanation:

Answer:

Part A: In order to find the x-intercepts, you should set f(x)=0. Then, .  and .

Part B: From the function, it is visible that it is going to be a minimum, because the function is cup-size. Vertex coordinates can be calculated by the formula . Then  and . The vertex coordinates are (-1.25, -0.125)

Part C: By using the vertex coordinates, we can construct the vertex of the function and then using the information about the x-intercept we can complete the function. The function looks like in the picture below.

Step-by-step explanation:

The volume (V) of the solid obtained by rotating the region bounded by the curves y = 5x^3, y = 5x, x ≥ 0 about the x-axis is V = ∫[0,1] 2πx((5x) - (5x^3))dx.

To find the volume of the solid, we can use the method of cylindrical shells. We will integrate the volume of each shell as it rotates around the x-axis.

First, let's sketch the region bounded by the curves. The curve y = 5x^3 intersects with the line y = 5x at two points: (0, 0) and (1, 5). The region between these curves is bounded by the x-axis and the curves. It looks like a "bowl" shape, opening upwards, with the bottom touching the x-axis.

Next, let's visualize a typical cylindrical shell. Imagine taking a thin strip of thickness Δx at a distance x from the x-axis. When this strip rotates around the x-axis, it forms a cylindrical shell. The height of this shell is the difference between the two curves: (5x) - (5x^3). The circumference of the shell is 2πx since it is the distance around the axis of rotation. The thickness of the shell is Δx.

The volume of the shell is given by V_shell = 2πx((5x) - (5x^3))Δx. To find the total volume, we need to sum up all these shells by integrating with respect to x.

Integrating V_shell from x = 0 to x = 1, we get V = ∫[0,1] 2πx((5x) - (5x^3))dx.

Evaluating this integral will give us the volume of the solid obtained by rotating the region about the x-axis.

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Answer:

The answer is a

Step-by-step explanation:

Answer:

y

=

x

2

−

2

x

,  

y

=

x

Step-by-step explanation:

Answer: 336

Step-by-step explanation:

8 * 3 * 14

a) The random variable is X, which represents the number of 27 randomly selected people that are left-handed.

b) Given values: n = 27  p = 0.09

c)  The correct interpretation of the mean is: Out of every 27 people, on average, 2.43 of them are left-handed.

d) The standard deviation is approximately 1.49

a) The random variable is X, which represents the number of 27 randomly selected people that are left-handed.

b) Given values:

n = 27 (sample size)

p = 0.09 (probability of a person being left-handed)

c) To compute the mean, you can multiply the sample size by the probability:

Mean (μ) = n * p

μ = 27 * 0.09 = 2.43

The correct interpretation of the mean is:

Out of every 27 people, on average, 2.43 of them are left-handed.

d) To compute the standard deviation (σ), you can use the formula for the binomial distribution:

Standard Deviation (σ) = √(n * p * (1 - p))

σ = √(27 * 0.09 * (1 - 0.09))

σ = √(2.43 * 0.91)

σ ≈ √2.2153

σ ≈ 1.49 (rounded to 2 decimal places)

Therefore, the standard deviation is approximately 1.49

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The interpretation of the given confidence interval (CI) is:

B. The true value of μ₁ - μ₂ lies somewhere between -30 and -20.

A confidence interval provides a range of values within which the true population parameter is likely to fall with a certain level of confidence. In this case, the 95% confidence interval for the difference between the two population means, μ₁ - μ₂, is from -30 to -20. This means that based on the sample data and the calculations performed, we can be 95% confident that the true value of μ₁ - μ₂ lies within this range.

Option A is incorrect because it states that the value of μ₁ is between 20 and 30 less than μ₂, which is not supported by the confidence interval.

Option C is incorrect because it states that the value of μ₁ is between 20 and 30 greater than μ₂, which is also not supported by the confidence interval.

Option D is incorrect because it suggests that there is no significant difference between μ₁ and μ₂, which is not necessarily the case. The confidence interval indicates a range of plausible values for the difference, but it does not directly address the presence or absence of a significant difference.

Therefore, the correct interpretation is that the true value of μ₁ - μ₂ is expected to lie between -30 and -20 with 95% confidence.\

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When the company insists on producing 140 units then the selling price per unit required to break even is approximately $14.60.

To calculate the selling price per unit required to break even, we need to consider the fixed costs, variable cost per unit, and the desired production quantity.

Given:

Fixed costs = $1,596.00 per month

Variable cost per unit = $3.20

Production quantity = 140 units

To break even, the total revenue should cover both the fixed costs and the variable costs.

The total cost can be calculated as follows:

Total cost = Fixed costs + (Variable cost per unit × Production quantity)

Plugging in the given values:

Total cost = $1,596.00 + ($3.20 × 140)

Total cost = $1,596.00 + $448.00

Total cost = $2,044.00

To break even, the total revenue should be equal to the total cost.

The selling price per unit required to break even can be calculated as:

Selling price per unit = Total cost / Production quantity

Plugging in the values:

Selling price per unit = $2,044.00 / 140

Selling price per unit ≈ $14.60

Therefore, the selling price per unit required to break even is approximately $14.60.

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Answer:

88 inches

Step-by-step explanation:

Well the bike will travel the distance of the circumference of the tire.

Circumference is 2*pi*radius or pi*diameter since the diameter is twice the radius

I guess they want is to use 22/7 for pi, which is weird, but whatever.

C = pi*d

C = 22/7*28

This gets you [tex]C = \frac{616}{7}[/tex] or 88 inches

Answer:

d (or V in the picture) = 16

Step-by-step explanation:

Because the two triangle are similar, the ratios of each of the side lengths should be equal.  Therefore, 8/1 should be equal to d/2.

1.) Set up equality of ratios: 8/1 = d/2

2.) Cross multiply: 8*2 = d*1

3.) 16 = d

Answer:

201.06in²

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