What does this mean?
~p~9

Answer:

55°

Step-by-step explanation:

Angles x and 125° are linear pair,

So,

x + 125° = 180°

x = ( 180 - 125 )°

x = 55°

Answer:

A duck with 2 feet

Answer:

Donald duck and Remy

Step-by-step explanation:

Answer:

2197

Step-by-step explanation:

I need more detail if this was wrong. Thank you!

Answer:

please can I get the full picture I can't fully understand

Answer:

-10

Step-by-step explanation:

I added a photo of my solution

Answer:

Answer is -10

Step-by-step explanation:

At a 95% confidence level, the margin of error is approximately 0.762 (rounded to three decimal places).

To find the margin of error at a 95% confidence level, we need to first find the critical value associated with a sample size of 29 and a confidence level of 95%.

Using a t-distribution with n-1 degrees of freedom, we can find the critical value using a t-table or calculator. For n=29 and a confidence level of 95%, the critical value is approximately 2.045 (rounded to three decimal places).

The formula for the margin of error is:

Margin of error = critical value * (standard deviation / sqrt(sample size))

Plugging in the values we have:

Margin of error = 2.045 * (2 / sqrt(29))
Margin of error ≈ 0.762

Therefore, at a 95% confidence level, the margin of error is approximately 0.762 (rounded to three decimal places).

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According to the congruent inscribed angles theorem, the angle that is congruent to angle A is: angle D.

The congruent inscribed angles theorem states that if any two inscribed angles intercept the same arc in a circle, then, both inscribed angles are congruent to each other.

In the image given, we see that angle A and angle D both intercept the same arc BC. This implies that both inscribed angles would be equal to each other.

Thus, angle A and angle D are congruent based on the congruent inscribed angles theorem.

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Answer:

2

Step-by-step explanation:

Perpendiculat Line is when both slopes of equation multiplying each others and equal to -1.

\( \large \boxed{m_1m_2 = - 1}\)

For an easier way to understand, a perpendicular line has a negative reciprocal slope. For example if we are given the equation of y = 2x then the equation that is perpendicular to y = 2x would be y = (-1/2)x.

From both equations. We can either arrange in slope-intercepy form or use the slope formula which is m = -A/B when the equation is in Ax+By+C = 0 or Ax+By = C.

\( \large{ \begin{cases} 2x - 5y = - 3 \\ 5x + 2y = 6 \end{cases}}\)

To find if these two lines are perpendicular to each others. Use the slope formula of -A/B.

\( \large{ \begin{cases} m_1 = - \frac{2}{ - 5} \\ m_2 = - \frac{5}{2} \end{cases}} \\ \large{ \begin{cases} m_1 = \frac{2}{ 5} \\ m_2 = - \frac{5}{2} \end{cases}}\)

Now recall that it is perpendicular when one of them is negative reciprocal of one another (-5/2 is negative reciprocal of -(-2/5) = 2/5 and 2/5 is negative reciprocal of -5/2).

Or in definition of perpendicular lines, both slopes multiply and must equal to -1.

\( \large{( \frac{2}{5} )( - \frac{5}{2} ) = - 1} \\ \large{ - 1 = - 1}\)

Thus the equation is true which makes both lines perpendicular to each others.

Answer

Let me know if you have any doubts!

Answer:

Step-by-step explanation:

a^6 = a * a * a * a * a * a You can break this into groups of 2 and groups of three.

Groups of 3

a^6 = a * a * a * a * a * a

what that means is that you have 2 groups of 3 which can be written as (a^3)^2 which means that this number is a perfect square.

Groups of 2

a^6 = a * a * a * a * a * a

What this means is that you have (a^2)^3 which is three groups of 2 members. The answer is that you have a perfect cube each member of which is a^2

Answer:

24

Step-by-step explanation:

Hope this helps.

A binomial probability distribution with p = 0.3 is c. positively skewed.

A binomial probability distribution with p = 0.3 is positively skewed. This means that the distribution is skewed to the right. In a binomial distribution, the skewness is determined by the value of p, which represents the probability of success in each trial. When p is less than 0.5, as in this case (p = 0.3), the distribution tends to be positively skewed.

The correct answer is c. positively skewed.

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Horizontal line with the given function: y = 4

Explanation:

Since the midline of a sine function is the horizontal centerline about which the functions oscilliart above and below, the corresponding line here is y = 4 with x = 0.

NB:

The midline is parrallel to y = 0 ~ the x-axis.

The numerical length of DE is 11.

We have a Line Segment DG such that E and F is between D and G.

We have to determine the length of DE.

A line segment is a piece or part of a line having two endpoints. Unlike a line, a line segment has a definite length.

According to question, we have -

DE = 3x - 28

EF = 3x - 30

FG = x

DG = 33

Now -

DG = DE + EF + FG

33 = 3x - 28 + 3x - 30 + x

7x = 33 + 58

7x = 91

x = 13

Therefore -

DE = 3x - 28 = 3 x 13 - 28 = 39 - 28 = 11

Therefore -  DE = 11

Hence, the numerical length of DE is 11.

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In this problem, we are given measurements of the absolute refractory period for five mice that were fed a specific amount of aldrin, a poisonous pesticide. We will use statistical methods to perform hypothesis testing and draw conclusions.

Part a: The mean refractory period is calculated as the sum of the measurements divided by the number of mice:

Mean refractory period = (2.3 + 2.3 + 2.4 + 2.5 + 2.6) / 5 = 2.42 milliseconds

The standard error of the mean can be calculated as the standard deviation of the measurements divided by the square root of the number of mice:

Standard error of the mean = standard deviation / sqrt(n)

Using a calculator or software, we can find the standard deviation of the measurements to be approximately 0.129 milliseconds. Therefore, the standard error of the mean is:

Standard error of the mean = 0.129 / sqrt(5) = 0.058 milliseconds

Part b: To determine if the data provide evidence to support the theory that aldrin poisoning increases the refractory period, we can perform a hypothesis test. We will use a one-sample t-test, with the null hypothesis being that the mean refractory period for poisoned mice is equal to the known mean refractory period for unpoisoned mice (2.32 milliseconds), and the alternative hypothesis being that the mean refractory period for poisoned mice is greater than 2.32 milliseconds.

Using a calculator or software, we can find the t-value to be approximately 2.148, and the p-value to be approximately 0.06. Since the p-value is greater than the significance level of 0.05, we fail to reject the null hypothesis. Therefore, we do not have sufficient evidence to conclude that aldrin poisoning increases the refractory period.

In conclusion, based on the hypothesis test, we cannot support the theory that aldrin poisoning increases the refractory period. However, it is important to note that the sample size of only five mice is relatively small, and we cannot rule out the possibility of a type II error. Further research with larger sample sizes would be necessary to draw more definitive conclusions.

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a) To calculate the pressure at 12 hours of shut-in:

substitute the given values into the pressure buildup equation and solve for P(t=12).

b) Superposition in time is used in pressure buildup analysis by adding or summing the responses of multiple transient tests to analyze and interpret reservoir behavior and properties.

We have,

a) To calculate the pressure in the production well at 12 hours of a shut-in, we can use the equation for pressure transient analysis during shut-in periods, known as the pressure buildup equation:

P(t) = Pi + (Q / (4πKh)) * log((0.14ϕμCt(t + Δt)) / (Bo(ΔP + Δt)))

Where:

P(t) = Pressure at time t

Pi = Initial reservoir pressure

Q = Flow rate

K = Permeability

h = Reservoir thickness

ϕ = Porosity

μ = Viscosity

Ct = Total compressibility

t = Shut-in time (12 hours)

Δt = Time since the start of the flow period

Bo = Oil formation volume factor

ΔP = Pressure drop during the flow period

Given:

Pi = 3100 psi

Q = 200 STB/day

K = 45 md

h = 60 ft

ϕ = 15%

μ = 1.2 cp

Ct = 15x10^-6 psi^-1

Bo = 1.3 bbl/STB

t = 12 hours

Δt = 48 hours

ΔP = Pi - P(t=Δt) = Pi - (Q / (4πKh)) * log((0.14ϕμCt(Δt + Δt)) / (Bo(ΔP + Δt)))

Substituting the given values into the equation:

ΔP = 3100 - (200 / (4π * 45 * 60)) * log((0.14 * 0.15 * 1.2 * 15x\(10^{-6}\) * (48 + 48)) / (1.3 * (3100 - (200 / (4π * 45 * 60)) * log((0.14 * 0.15 * 1.2 * 15 x \(10^{-6}\) * (48 + 48)) / (1.3 * (0 + 48))))))

After evaluating the equation, we can find the pressure in the production well at 12 hours of shut-in.

b) Superposition in time is a principle used in pressure transient analysis to analyze and interpret pressure build-up tests.

It involves adding or superimposing the responses of multiple transient tests to simulate the pressure behavior of a reservoir.

The principle of superposition states that the response of a reservoir to a series of pressure changes is the sum of the individual responses to each change.

Superposition allows us to combine the information obtained from multiple tests and obtain a more comprehensive understanding of the reservoir's behavior and properties.

It is a powerful technique used in reservoir engineering to optimize production strategies and make informed decisions regarding reservoir management.

Thus,

a) To calculate the pressure at 12 hours of shut-in:

substitute the given values into the pressure buildup equation and solve for P(t=12).

b) Superposition in time is used in pressure buildup analysis by adding or summing the responses of multiple transient tests to analyze and interpret reservoir behavior and properties.

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Answer: 3

Step-by-step explanation: 74 divided by 6 = 12.333

To write the decimal places for all the parts: 1) 50.628, 2) 0.8088, 3) 10.2406, 4) 5.0439, 5) 0.6824.

A decimal point separates a number's fractional component from its whole value in a number type called a decimal. The decimal point is a . that appears between the elements of a whole number and a fraction. There are two parts to a decimal number: the whole and the fraction.

To represent whole and partially whole quantities between integers numerically, decimal numbers are used. Geographic coordinates are expressed as decimal fractions of a degree and are denoted by the notation decimal degrees (DD). OpenStreetMap, many geographic information systems (GIS), and GPS devices frequently include DD.

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Note that the full question is:

Write the decimal numbers inside the box. Assumethat all other place values not mentioned are zeroes.

1) 5 in the tens place

6 in the tenths place

2 in the hundredths place

8 in the ten thousandths place

2) 8 in the ten thousandths place

8 in the thousandths place

8 in the tenths place

3) 4 in the hundredths place

1 in the tens place

2 in the tenths place

6 in the ten thousandths ou poses only

ndths place

4) 3 in the thousandths place

4 in the hundredths place

5 in the ones place

9 in the ten thousandths place

5) 8 in the hundredths place

6 in the tenths place

4 in the ten thousandths place

2 in the thousandths place

Answer:

36

Step-by-step explanation:

PEMDAS

Step-by-step explanation:

10+(10+(10-5)2)+6

=10+(10+5)2)+6

=10+(20+10)+6

=10+30+6

=46

The range of the graph is the set of output values, and the range is (d) (-infinity,infinity)

From the graph in the complete question, we can see that the output values (i.e. the y values) extend indefinitely on both sides of the graph

This means that the range of the graph is the set of all real numbers.

This in other words means that (-infinity,infinity)

Hence, the range of the graph is (d) (-infinity,infinity)

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A negative correlation is the relationship where an increase in one of the variable say x lead to a decrease in the other variable say y

In the question given, the variables are the number of workers in the x- axis and the hours of complete job in the y axis

Therefore option C is the only option where increase in the number of workers led to decrease in the hours of complete job

Hence the correct answer is option C

The probability of on- time arrival in class given that the subject is biology is 82.4%.

Given the following table relating to subject on tie assignment submission and on time arrival in class.

Subject              On time submission                    On time arrival

Physics                    89.7%                                             82.3%

Maths                       88.2%                                            88.7%

Chemistry                89.4%                                             83.1%

Biology                     90.1%                                              82.4%

Total                         88.5%                                             84.7%

We have to find the probability of on time arrival in class given that the subject is biology.

We have been given the corresponding percentages and percentages in itself shows some quantity. Percentage is the ratio of total favourable outcome to total outcome.

From the table the probability of on time arrival in class given that the subject is biology is 82.4%

Hence the probability of on- time arrival in class given that the subject is biology is 82.4%.

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Question is incomplete as it should includes the following table:

Subject              On time submission                    On time arrival

Physics                    89.7%                                             82.3%

Maths                       88.2%                                            88.7%

Chemistry                89.4%                                             83.1%

Biology                     90.1%                                              82.4%

Total                         88.5%                                             84.7%

Answer:

82.4%.

Step-by-step explanation:

Answer: 57.8

Step-by-step explanation:48.7 seconds + 49.3 seconds.= 57.8

Answer

The constant of proportionality = 2 trees cut down per day spent on the island.

Explanation

The total number of trees he cut down is y

The number of days Harry is stranded on the island is x

The fact that these two quantities are directly proportional to each other is represented as

y ∝ x

If we introduce the constant of proportionality, we will write it as

y = kx

To now obtain the constant of proportionality, we will use the graph of the relationship between x and y. The costant of proportionality is the same as the slope of the graph

For a straight line, the slope of the line can be obtained when the coordinates of two points on the line are known. If the coordinates are (x₁, y₁) and (x₂, y₂), the slope is given as

For this question, the two points are

(x₁, y₁) and (x₂, y₂) are (0, 0) and (2, 4)

Hope this Helps!!!

The logical symbols, such as\(↔, →, ∧, and ~\), represent logical operations. In the given question, we are to rewrite the proposition\((p → ( → )) ↔ ((p ∧ ) → )\) by utilizing only logical operators ∧ and ~.

The following steps can be used to solve the given problem: We can first make use of the implication law, which states that p → q is equivalent to ~p ∨ q to obtain:
\(~p ∨ ( → ) ↔ (~p ∧ ~) ∨ ( ∧ )\)

Next, we can make use of De Morgan's law to eliminate disjunctions and make use of the conjunction law, which states that p ∧ q is equivalent to ~\((~p ∨ ~q)\), to get:
\(~[~(~p ∨ ( → )) ∨ ( ∧ ~)] ∧ ~[~( ∧ ~) ∨ (~(p ∧ ~))]\)
We can now distribute the negation and obtain:
\([~(~p ∨ ( → )) ∧ ~( ∧ ~)] ∧ [( ∧ ~) ∧ ~(p ∧ ~)]\)

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this is your proper answer

hii, how are you

Answer:

15

Step-by-step explanation:

The true statement is b) -11 < -8. This means that -11 is less than -8, and the value of -11 is smaller. When comparing negative numbers, the larger the absolute value, the smaller the number itself.

These symbols are used to indicate the relationship between two numbers and are denoted by >, <, and =, respectively.

In conclusion, understanding the concepts of greater than, less than, and equal to is an important part of mathematics and is useful in many real-world situations. By knowing the true statement, you can make accurate comparisons and solve problems more effectively.

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Answer:

B. 15 inches

Step-by-step explanation:

you multiply 6 x 5 since those are the dimensions of the triangles which equals 30 then you divide by 2 to get an answer of 15

Answer:

i would say A.  10in

Step-by-step explanation:

Answer:

Step-by-step explanation:

Distance traveled in a hour = 80 miles

Distance traveled in 5 hours = 80 * 5 = 400 miles

A)an = 2*2^(n-1)`. B) `The sum of the first n fractions is `2*(2^n - 1)`.

a. The sequence is a geometric sequence with the first term `a1 = 2` and common ratio `r = 2`.Therefore, the nth term `an` is given by:`an = a1*r^(n-1)`

Substituting `a1 = 2` and `r = 2`, we have:`an = 2*2^(n-1)`

b. To find the sum of the first n terms, we use the formula for the sum of a geometric series:`S_n = a1*(1 - r^n)/(1 - r)

`Substituting `a1 = 2` and `r = 2`, we have:`S_n = 2*(1 - 2^n)/(1 - 2)

`Simplifying:`S_n = 2*(2^n - 1)

`The sum of the first n fractions is `2*(2^n - 1)`.As `n` gets larger and larger, the sum approaches `infinity`.

Thus, the sum is getting closer and closer to infinity.

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