Find the coordinates of the missing endpoint if M is the midpoint of Ab B(-7 , 16) and M (-2 , 8)

The mean of the data is 30 and the median of the data is 27.5.

Mean is defined as the ratio of the sum of the number of the data sets to the total number of the data. The mean of the data will be calculated by adding all the numbers and dividing it by the quantity of the numbers.

The median of the data generally refers to the middle most value of the series. The median of the data is calculated by arranging the numbers in increasing order and getting the middle value of the numbers.

Given data is 26, 29, 27, 28, 29, 27, 27, 53, 25, 29 arrange all the numbers in increasing order.

25,26,27,27,27,28,29,29,29,53

Mean = Sum of all the numbers / Total numbers

Mean =  (25 + 26 + 27 + 27 + 27 + 28 + 29 + 29 + 29 + 53 ) / 10

Mean = 300 / 10

Mean = 30

Median = ( 27 + 28 ) / 2 = 27.5

Therefore, the mean of the data is 30 and the median of the data is 27.5.

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Answer:

15%

Step-by-step explanation:

0.15 x 100 = 15%

Answer:

91

Step-by-step explanation:

You add the two measures of the intercepted arcs and divide by 2 to get the measure of the central angle.

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Answer:

91

Step-by-step explanation:

You add the two measures of the intercepted arcs and divide by 2 to get the measure of the central angle.

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Answer:

Step-by-step explanation:

Average rate of change between x = 2 and x = 4 is:

\(\boxed{\sf Average\: change=\dfrac{f(a)-f(b)}{a-b}}\)

\(\\ \sf\longmapsto f(x)=3x^3-1\)

\(\\ \sf\longmapsto f(4)=3(4)^3-1=3(64)-1=192-1=191\)

\(\\ \sf\longmapsto f(2)=3(2)^3-1=3(8)-1=24-1=23\)

Average change

\(\\ \sf\longmapsto \dfrac{192-23}{4-2}\)

\(\\ \sf\longmapsto \dfrac{168}{2}\)

\(\\ \sf\longmapsto 84\)

Answer:

Only B,

Step-by-step explanation:

Because it is all addition it does not mater what order they are in,..

The p-value is less than the level of significance alpha = 0.05, we reject the null hypothesis. Therefore, there is sufficient evidence to support the claim that this model of the engine is less reliable than it is supposed to be.

a) X is a binomial random variable because:

1. Each engine either performs properly or it doesn't, representing a "success" or a "failure."

2. The probability of a success remains constant at p = 0.999 for every engine.

b) Let X be the number of engines out of 450 that operate for an hour without failure. The mean (mu) and the standard deviation (sigma) of the binomial distribution are:

Mean, mu = n * p = 450 * 0.999 = 449.55

Standard deviation, sigma = sqrt(n * p * q) = sqrt(450 * 0.999 * 0.001) = 0.463.

μ = 449.55.

σ = 0.463.

c) P(X = 40) = 0.00013. This means that the probability of exactly 40 engines operating for an hour without failure is extremely small.

d) Hypotheses:

H0: p = 0.999, the claimed probability of performing properly for an hour of flight.

Ha: p < 0.999, the true probability is less than the claimed value.

Test Statistic:

Z = (X - mu) / (sigma / sqrt(n)) = (38 - 449.55) / (0.463 / sqrt(450)) = -8.39

Using the normal distribution table, the p-value associated with the test statistic is p = 4.03e-17.

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The definite integral can be approximated as:0.51

∫ ln(1+x^2) dx ≈ 2[(0.51^3)/3 - (0.51^7)/(73) + (0.51^11)/(113*5)]≈ 0.335 (rounded to three decimal places).

We can use a Taylor series expansion of ln(1+x^2) to approximate the definite integral:

ln(1+x^2) = 2∑(-1)^n (x^2)^(2n+1) / (2n+1)

Integrating both sides from 0 to 0.51, we get:

∫ ln(1+x^2) dx = 2∑(-1)^n ∫ x^(4n+2) / (2n+1) dx

Evaluating the integral and plugging in the limits of integration, we get:

∫ ln(1+x^2) dx ≈ 2∑(-1)^n (0.51)^(4n+3) / [(2n+1)(4n+3)]

To ensure that the error is less than 10^-3, we need to determine how many terms we need to include in the series. We can use the remainder term of the Taylor series to estimate the error:

Rn(x) = ln(1+x^2) - 2∑(-1)^n x^(4n+2) / (2n+1)

The remainder term can be bounded by:

|Rn(0.51)| ≤ M * (0.51)^(4n+3+1) / (4n+4)!

where M is a constant upper bound for the (4n+4)th derivative of ln(1+x^2) on the interval [0, 0.51]. We can use a computer algebra system or calculator to find that M ≈ 12.8.To ensure that |Rn(0.51)| < 10^-3, we can solve the inequality:

M * (0.51)^(4n+4) / (4n+4)! < 10^-3

Using trial and error or a calculator, we find that n = 2 gives a sufficiently small error.

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The approximate value of the definite integral is 0.186, accurate to within 10^-3.

We can start by finding the Taylor series for ln(1+x^2) about x=0:

ln(1+x^2) = 0 + 1x^2 - 1/2x^4 + 1/3x^6 - 1/4x^8 + ...

Integrating this series term by term, we get:

∫ ln(1+x^2) dx = C + 1/3 x^3 - 1/10 x^5 + 1/21 x^7 - 1/36 x^9 + ...

where C is the constant of integration.

To ensure that the error is less than 10^-3, we need to bound the remainder term Rn(x) = |f(x) - Tn(x)| by 10^-3, where Tn(x) is the nth-degree Taylor polynomial for ln(1+x^2) centered at x=0.

Using the Lagrange form of the remainder term, we have:

|Rn(x)| ≤ (M/[(n+1)!]) |x-a|^(n+1)

where M is an upper bound on the absolute value of the (n+1)th derivative of ln(1+x^2) on the interval [0,0.51].

Since the (n+1)th derivative of ln(1+x^2) is:

(-1)^n (2^n-1)! / (x^2+1)^n+1

we can see that the absolute value of this derivative is maximized at x=0.51 when n=3. Therefore, we have:

M = |fⁿ⁺¹(ξ)| = 39.0625

where ξ is some point in the interval [0,0.51].

Thus, we need to find the minimum value of n such that:

(39.0625/(n+1)!) (0.51)^(n+1) ≤ 10^-3

We can solve this inequality numerically or by trial and error to find that n=3 is sufficient. Therefore, the fourth-degree Taylor polynomial for ln(1+x^2) is accurate to within 10^-3 on the interval [0,0.51].

Using this polynomial, we have:

∫ ln(1+x^2) dx ≈ C + 1/3 x^3 - 1/10 x^5 + 1/21 x^7

Evaluating this integral from 0 to 0.51 and solving for C using the fact that ln(1+0) = 0, we get:

C = 0

∫0.51 ln(1+x^2) dx ≈ 0 + 1/3 (0.51)^3 - 1/10 (0.51)^5 + 1/21 (0.51)^7

≈ 0.186

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Answer:

16.43

Step-by-step explanation:

gib brainlest or else:0

Therefore, Andrea has 25 dimes in 37 coins, all nickels and dimes and the value of the 37 coins is $3.10.

Let's represent the number of nickels by "n" and the number of dimes by "d".

From the problem, we know that:

n + d = 37 (equation 1) ---(the total number of coins)

0.05n + 0.1d = 3.10 (equation 2) ---(the total value of the coins in dollars)

To solve for d, we can rearrange equation 1 to get:

n = 37 - d

Substitute this expression for n into equation 2 and simplify:

0.05(37-d) + 0.1d = 3.10

1.85 - 0.05d + 0.1d = 3.10

0.05d = 1.25

d = 25

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The time the mechanic is away from the shop is 2 hours.

To find the time the mechanic is away from the shop, we need to know either the distance of the round trip or the speed of the mechanic on one of the legs of the trip.

For example, if we know that the distance of the round trip is 30 miles, we can use the formula:

time = distance / speed

where speed is the average speed for the round trip, which is given as 15 miles per hour.

So, the time the mechanic is away from the shop would be:

time = 30 miles / 15 miles per hour = 2 hours

But without knowing the distance of the round trip or the speed of the mechanic on one of the legs of the trip, we cannot calculate the time the mechanic is away from the shop.

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Answer:

2 awnser is the right on

Answer:

18 days

Step-by-step explanation:

Answer:

7/8

Step-by-step explanation:

Use the Pythagorean Identity

\(( \sin(x) ) {}^{2} + ( \cos(x) ) {}^{2} = 1\)

Plug in

\( \frac{ \sqrt{15} }{8} \)

for cos x.

\( (\sin(x) ) {}^{2} + ( \frac{ \sqrt{15} }{8} ) {}^{2} = 1\)

\(( \sin(x) ) {}^{2} + \frac{15}{64} = 1\)

\(( \sin(x) ) {}^{2} = \frac{49}{64} \)

\( \sin(x) = \frac{7}{8} \)

Answer:

D

Step-by-step explanation:

fastest way to find out the answer is to replace each solution with the xs of the equation and see if it is Equal to 4. the only solution that is equal to 4 is D)1/3

1. Three examples of situations where consistency is important:

Healthcare: when treating patients, healthcare providers must follow consistent procedures and protocols to ensure that every patient receives the same level of care.

Financial transaction: when making financial transactions, it is important to follow regular security rules to prevent fraud.

Support rules: Adherence to consistent rules and regulations in sports is essential to ensure fair play and the safety of all participants.

2. The number 0 is important in mathematical systems because it represents the absence of a number and serves as a placeholder. Without zero, our mathematical system would be affected in many ways. For example, writing the number 100 would be difficult without the zero. Without the invention of zero, progress in mathematics would have been delayed.

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The correct answer is option b. 15.77%. The annual discount rate, also known as the discount rate or the rate of return, can be calculated using the present value formula.

Given that a cash flow of £52 million in 5 years' time is currently valued at £25 million, we can use this information to solve for the discount rate.

The present value formula is given by PV = CF / (1 + r)^n, where PV is the present value, CF is the cash flow, r is the discount rate, and n is the number of years.

In this case, we have PV = £25 million, CF = £52 million, and n = 5. Substituting these values into the formula, we can solve for r:

£25 million = £52 million / (1 + r)^5.

Dividing both sides by £52 million and taking the fifth root, we have:

(1 + r)^5 = 25/52.

Taking the fifth root of both sides, we get:

1 + r = (25/52)^(1/5).

Subtracting 1 from both sides, we obtain:

r = (25/52)^(1/5) - 1.

Calculating this value, we find that r is approximately 0.1577, or 15.77%. Therefore, the annual discount rate is approximately 15.77%, corresponding to option b.

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Answer:

14. a = 16 14. b = No she doesn't have enough money to buy it

Step-by-step explanation:

14. a = 45 - 17 - 8 - 4 = 16

14.b she only got 16 dollars left and the T-shirt cost 19 dollar

Answer:

tor buda igffv ety our acc oohv

Answer:

x^2-6x+5

Step-by-step explanation:

To have roots at x=5 and x=1 you need to write is as follows

(x-5)(x-1)

you then need to multiply these two and get

x^2-6x+5

Answer with step-by-step explanation:

Linear Equation

This because linear equations have parallel lines that go up-and-down directions.

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The addition inequality 37 + x ≥ 42 can be used to determine how much taller William must be to ride the coaster, where x represents the additional height he needs to meet the height requirement.

To write an addition inequality to determine how much taller William must be to ride the coaster, we first need to convert his height to inches. Since he is 3 feet 1 inch tall, his height is (3 x 12) + 1 = 37 inches.

Let x be the amount of additional height William needs to ride the roller coaster. The inequality can be written as:

37 + x ≥ 42

This inequality ensures that William's total height after adding x must be greater than or equal to the required height of 42 inches to ride the roller coaster.

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The mass of salt in the tank at time t.

dS/dt = 10 - S/400

S(0) = 100 grams

The solution is S(t) = 4000 - 3900\(e^{\frac{-t}{400}}\)

A tank holds water V(0) = 4000 liters in which salt S(0) = 100 grams.

So dS/dt = S(in) - S(out)

S(in) = 1 × 10 = 10 gram/liters

S(out) = S/V × 10 = 10S/V gram/liters

V = V(0) + q(in) - q(out)

V = 4000 + 10t - 10t

V = 4000 liters

dS/dt = 10 - 10S/V

dS/dt = 10 - 10S/4000

dS/dt = 10 - S/400

Now given; S(0) = 100.

Here, p(t) = 1/400, q(t) = 10

\(\int p(t)dt = \int\frac{1}{400}dt\)\(\int p(t)dt = \frac{1}{400}t\)

\(\mu=e^{\int p(t)dt}\)

\(\mu=e^{\frac{t}{400}}\)

So, S(t) = \(\frac{\int\mu q(t)dt+C}{\mu}\)

S(t) = \(\frac{\int e^{\frac{t}{400}} \cdot10dt+C}{e^{\frac{t}{400}}}\)

S(t) = \(e^{\frac{-t}{400}} \left({\int e^{\frac{t}{400}} \cdot10dt+C}\right)\)

S(t) = \(e^{\frac{-t}{400}} \left({10\times\frac{e^{\frac{t}{400}}}{1/400} +C}\right)\)

S(t) = \(e^{\frac{-t}{400}} \left({4000\times{e^{\frac{t}{400}} +C}\right)\)

Now solving the bracket

S(t) = 4000 + \(e^{\frac{-t}{400}}\)C.....(1)

At S(0) = 100

100 = 4000 + \(e^{\frac{-0}{400}}\) C

100 = 4000 + \(e^{0}\) C

100 = 4000 + C

Subtract 4000 on both side, we get

C = -3900

Now S(t) = 4000 - 3900\(e^{\frac{-t}{400}}\)

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The complete question is:

A tank holds 4000 liters of water in which 100 grams of salt have been dissolved. Saltwater with a concentration of 1 grams/liter is pumped in at 10 liters/minute and the well mixed saltwater solution is pumped out at the same rate. Write initial the value problem for:

The mass of salt in the tank at time t.

dS/dt =

S(0) =

The solution is S(t) =

Answer:

I dont understand spanish

Step-by-step explanation:

The nearest whole number to which the new height of the image is enlarged is 9cm.

By scaling, we can create a drawing of an object that corresponds to the object's true size. In geometry, scaling refers to either growing or reducing figures in order to preserve their fundamental shape. Similar figures are what we call scaled figures.

Given that the original size was in the ratio 4: 3.

When the image is enlarged the enlarged image will be in the similar ratio to the original size.

Hence, the ratio in which the enlarged image will be increased is 4x : 3x.

The new width is given as 12,

The value of 4x = 12

x = 3

Then the new height of the image is:

3 (3) = 9cm.

Hence, the new height of the image is 9cm.

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Answer:

Length = 6 inches, Width = 10 inches

Step-by-step explanation:

A rectangular roof shingle has a perimeter of 32 inches and an area of 60 square inches. What are the dimensions of the shingle?

Note :

L = Length

W = Width

The perimeter of a rectangle = 2( L + W)

The area of a rectangle = LW.

A rectangular roof shingle has a perimeter of 32 inches and an area of 60 square inches.

32 = 2( L + W)

Divide both sides by 2

16 = L + W.... Equation 1

L = 16 - W

Also:

LW = 60....... Equation 2

Let us substitute 16 - W for L in Equation 2

(16 - W)W = 60

16W - W² = 60

W² - 16W + 60 = 0

W² - 6W - 10W + 60 = 0

W(W - 6) - 10(W - 6) = 0

W - 6 = 0, W = 6 inches

W - 10 = 0, W = 10 inches

Solving for L

W = 10

L = 16 - 10

L = 6 inches

Therefore, the dimensions of the shingle =

Length = 6 inches, Width = 10 inches

The correct statement about coping strategies is: An effective coping strategy is any strategy that reduces stress.

The correct option is B .

Coping strategies are techniques or actions that individuals use to manage or deal with stressful situations. Different strategies work for different people, so there isn't a one-size-fits-all approach. However, an effective coping strategy is any strategy that successfully reduces or manages stress.

Some examples of effective coping strategies include deep breathing exercises, engaging in physical activity or exercise, seeking support from friends or family, practicing mindfulness or meditation, and engaging in hobbies or activities that bring joy and relaxation.

It's important to note that while ineffective coping strategies may not completely eliminate stress, they can still provide temporary relief or distraction. However, it is generally recommended to focus on developing and using effective coping strategies that can effectively reduce stress and promote overall well-being.

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An effective coping strategy is any strategy that reduces stress.

The true statement about coping strategies is that an effective coping strategy is any strategy that reduces stress.

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Answer:

1 1/15

Step-by-step explanation:

Thanks to leafdapple18

Answer:

50°

Step-by-step explanation:

65 + 65 +C = 180

130+C = 180

C = 180 - 130 = 50

Hi there!

\(\large\boxed{C = 50^o}\)

A line contains an angle of 180°, so:

∠C = 180° - 65° - 65°

∠C = 180° - 130°

∠C = 50°