39. Firefighters must reach a fire anywhere
in the city within 7 minutes. They are
currently reaching fires in 3.5 minutes
less than the maximum time allotted.
Which equation shows how much time
it takes them to reach a fire?
A. t + 3.5=7
B. t - 3.57
C. t - 7 = 3.5
D. t + 7 = 3.5

Answers

Answer 1
Es la B esa es la respuesta

Related Questions

Write the equation of the line that passes through the points (0,6) and (-6,6). Put your answer in fully simplified point-slope form, unless it is a vertical or horizontal line.

Answers

An equation of the line that passes through the points (0, 6) and (-6, 6) is y = 6.

How to determine an equation of this line?

In Mathematics and Geometry, the point-slope form of a straight line can be calculated by using the following mathematical equation (formula):

y - y₁ = m(x - x₁)

Where:

m represent the slope.x and y represent the points.

First of all, we would determine the slope of this line;

Slope (m) = (y₂ - y₁)/(x₂ - x₁)

Slope (m) = (6 - 6)/(-6 - 0)

Slope (m) = 0/-6

Slope (m) = 0.

At data point (0, 6) and a slope of 0, a linear equation in slope-intercept form for this line can be calculated by using the point-slope form as follows:

y - y₁ = m(x - x₁)

y - 6 = 0(x - 0)

y - 6 = 0

y = 6

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Convert 58,080 feet to miles.

Answers

Answer: 11 miles

Step-by-step explanation: 1/5280 = x/58,080

Add using Scratch Addition. Do your work on paper and upload a screen shot.

45 + 58 + 29 + 59 + 67 + 37 + 55 + 79 + 87

Answers

The expressions using scratch addition is 516

Adding the expressions using Scratch Addition

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

45 + 58 + 29 + 59 + 67 + 37 + 55 + 79 + 87

Using the Scratch method of Addition. we add the numbers one after the other

Using the above as a guide, we have the following:

45 + 58 + 29 + 59 + 67 + 37 + 55 + 79 + 87 = 103 + 29 + 59 + 67 + 37 + 55 + 79 + 87

45 + 58 + 29 + 59 + 67 + 37 + 55 + 79 + 87 = 132 + 59 + 67 + 37 + 55 + 79 + 87

45 + 58 + 29 + 59 + 67 + 37 + 55 + 79 + 87 = 191 + 67 + 37 + 55 + 79 + 87

45 + 58 + 29 + 59 + 67 + 37 + 55 + 79 + 87 = 258 + 37 + 55 + 79 + 87

45 + 58 + 29 + 59 + 67 + 37 + 55 + 79 + 87 = 295 + 55 + 79 + 87

45 + 58 + 29 + 59 + 67 + 37 + 55 + 79 + 87 = 350 + 79 + 87

45 + 58 + 29 + 59 + 67 + 37 + 55 + 79 + 87 = 429+ 87

45 + 58 + 29 + 59 + 67 + 37 + 55 + 79 + 87 = 516

HEnce, the solution is 516

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If the probability that a randomly chosen college student takes statistics is 0.24, then what is the probability that a randomly chosen college student does not take statistics? Give your answer as a decimal.

Answers

Answer:

The probability that a randomly chosen college student does not take statistics is 0.76.

Step-by-step explanation:

The probability of an event happening and the probability of its complement (the event not happening) must add up to 1. Therefore, if the probability that a randomly chosen college student takes statistics is 0.24, then the probability that they do not take statistics is:

1 - 0.24 = 0.76

So the probability that a randomly chosen college student does not take statistics is 0.76 or 76%.

Solve the equation 120 + 1814
x = 180 − 134
x for x.

Answers

Answer:

Step-by-step explanation:

The equation given is:

120 + 1814x = 180 - 134x

We can simplify this equation by adding 134x to both sides:

120 + 1948x = 180

Next, we can subtract 120 from both sides:

1948x = 60

Finally, we can solve for x by dividing both sides by 1948:

x = 60/1948

Therefore, the solution is:

x = 0.0308 (rounded to four decimal places)

Answer:

To solve the equation, we need to first convert the mixed numbers to improper fractions:

120 + 18 1/4 x = 180 − 1 3/4 x

120 + 73/4 x = 180 - 7/4 x (converting mixed numbers to improper fractions)

Multiplying both sides by 4 to eliminate the fractions, we get:

480 + 73x = 720 - 7x

Combining like terms, we get:

80x = 240

Dividing both sides by 80, we get:

x = 3

Therefore, the solution for x is 3.

Help plsssssssssssssssssssssssssssss

Answers

Answer:

180 square inches

5 x 6 = 32.5

32.5 x 4 = 130

5 x 5 = 25

25 x 2 = 50

130 + 50 = 180

Step-by-step explanation:

first find the area of all the sides (length times width)

width = 5

length = 6.5

5 x 6.5 = 32.5

32.5 is the area for one side. there are 4 others identical to it

32.5 (one side) x 4 (the amount of sides identical) = 130

then you need to find the area for the bottom/top side

5 = length

5= width

5(L) x 5(W) = 25

25 is the area for the bottom. the top is identical to it

25(bottom side) x 2 (the amount of sides identical)

now add all of the sides up

130 + 50 = 180

Article lll of the constitution gives congress the power to create a system of federal courts , other than the Supreme Court known as

Answers

The framers of the Constitution believed that as the country grew, more courts would be needed to meet its needs.

Explanation :

The statement that best explains that Article III of the constitution gives congress the ability to create lower courts inferior to the supreme court from "time to time" is that the framers of the Constitution believed that as the country grew, more courts would be needed to meet its needs.

As there will be more framers of the constitution which gave them as a  congress the power to create lower courts as they wanted that the congress should have authority over the courts and to control them.

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complete question:

Which statement best explains why Article lll of the constitution gives Congress the ability to create lower courts inferior to the Supreme Court “from time to time”?

PLEASE HELP WILL GIVE BRAINLEST FOR CORRECT ANSWER ONLY !!

Answers

Answer:

Option A is the correct choice that shows a function.

Step-by-step explanation:

What is a function?

A function is when there are no repeating "x" values.

For example:

These set of points: {(1,1), (1,2), (1,3), (1,4)} does not  show a function because there is repeating "x" values.

Option A shows that the points {(4,5), (5,5), (6,1), (8,2) is a function because there is no repeating "x" values.

Answer is option A is a function

Explanation

A function from x to y will have one output (y) for every input (x)

✅ Option A has one output for each input

❌ Option B - input of 4 has output of 0 and 5 so it is not a function

❌ Option C - input of 2 has output of 3 and 6 so it is not a function

❌ Option D - input of 5 has output of 2 and 7 so it is not a function

See attachment

The indirect measurements, round your answer to the nearest meter. (The figure is not drawn to scale)

Answers

The similar triangle is solved and the width of the river is R = 33.88 m

Given data ,

Let the base of the larger triangle be = 59 m

Let the base of the smaller triangle be = 35 m

Now , height of smaller triangle = 20.1 m

And , width of the river = height of the larger triangle

From the similar triangles , we get

59 / 35 = R / 20.1

Multiply by 20.1 on both sides , we get

R = 33.88 m

Hence , the width of river is 33.88 m

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Complete the similarity statement

Triangle MTA ~ triangle HTM ~ triangle ___

Answers

The similarity statement is completed as below

Triangle MTA ~ triangle HTM ~ triangle HMA

How to complete the similarity statement

A similarity statement is a statement in mathematics that expresses the affinity between two or more figures.

These figures are similar, meaning they have corresponding angles that are identical and sides that are equivalent in size ratio. The same shape is shared by them, although their sizes may be different.

The similar triangles are

Triangle MTA Triangle HTM Triangle HMA

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i need help pleaseee!!!

Answers

The equation of the function g(x) is g(x) = f(x+3) + 4 and g(x) = log₂(x+3) + 4

State g(x) in terms of f(x)

To shift the function 3 units left, we replace x with x+3. To shift it 4 units up, we add 4 to the function.

Therefore, the expression for g(x) in terms of f(x) is:

g(x) = f(x+3) + 4

Determine equation of the function g(x)

Substituting f(x) = log₂(x), we get:

g(x) = log₂(x+3) + 4

The equation of the function g(x) is g(x) = log₂(x+3) + 4.

State the domain, range, asymptotes of g(x)

The domain of g(x) is all x such that x+3 > 0, since the argument of the logarithm must be positive.  This gives x > -3.

The range of g(x) is all real numbers, since the logarithm takes on all real values.

The vertical asymptote is x = -3, since this is where the function becomes undefined (the argument of the logarithm becomes 0).

The horizontal asymptote is y = 4, since as x approaches infinity or negative infinity, the function approaches 4.

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A website is selling barbecue grills for $94, but mentions that they originally cost $200. What
is the discount, as a percentage?
Write your answer using a percent sign (%).

Answers

A website is selling barbecue grills for $94, but mentions that they originally cost $200 the discount, as a percentage, is 53%.

The discount is the difference between the original price and the discounted price.

Discount = $200 - $94 = $106

To find the percentage discount, we need to calculate what percentage of the original price the discount represents:

Percentage discount = (Discount/Original price) x 100%

Percentage discount = ($106/$200) x 100%

Percentage discount = 53%

Therefore, the discount, as a percentage, is 53%.

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HELP PLSZZZZSZZZZZZZZZZ need asap

Answers

Answer:

60 (C)

Step-by-step explanation:

65+55=120

180-120=60

Si lanzas una moneda 16 veces, ¿cuál es la mejor predicción posible para el número de veces que caerá cruz?

Answers

Si lanzas una moneda 16 veces, la mejor predicción posible para el número de veces que caerá cruz es 8. Esto se debe a que la probabilidad de que la moneda caiga cara o cruz en cada lanzamiento es la misma (50/50), y en promedio se espera que caiga cruz la mitad de las veces. Por lo tanto, la mejor predicción posible para el número de veces que caerá cruz es la mitad de 16, que es 8. Sin embargo, como se trata de un evento aleatorio, siempre existe la posibilidad de que el resultado real sea diferente de la predicción.
La mejor predicción posible para el número de veces que caerá cruz al lanzar una moneda 16 veces es 8. Esto se debe a que, en promedio, una moneda tiene la misma probabilidad de caer cara o cruz en cada lanzamiento, y 8 es la mitad de 16. Sin embargo, es importante tener en cuenta que esto es solo una predicción y que la realidad puede ser diferente debido a la aleatoriedad del proceso.

In the diagram, m∠1=45° and m∠3=57.5°.

What is m∠4?

Enter your answer as a decimal in the box.

Answers

Check the picture below.

Answer the following questions.

Answers

The questions have been answered below based on the concept of apportionment.

Here, we have,

Apportionment is the challenge of distributing a certain number of items among groups of varying sizes. The Mathematics of Apportionment discusses the mathematical concepts and methods used to allocate identical things fairly among parties with differing claims.

In question 1, the quantity that does not vary from state to state when we apportion congress representatives to different states is called the standard quota.

In question 2, the standard quota is found by dividing the state's population by the standard divisor.

In question 3, the modified divisor in Webster's method is found by dividing the state's population by the modified divisor.

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Help please!!!!
Whoever answers right will fat brainliest!

Answers

Answer:

0

Step-by-step explanation:

If we have the function f(x)=sqrt((x-8)/3), where 8 is less than or equal to x which is less than or equal to 16, we can evaluate f(8) as follows:

f(8)=sqrt((8-8)/3)

=sqrt(0/3)

=0

Hope this helps!

help please I need someone to tutor me with this lol

Answers

Answer:

The domain is (-infinity, infinity), or all real numbers.

The range is (-infinity, infinity), or all real numbers.

Which graph represents the inequality y is greater than or equal to (x+2)^2?

Answers

The graph of the inequality y ≥ (x+2)^2 is added as an attachment

How to determine the graph of the inequality

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

y is greater than or equal to (x+2)^2

Express the statement properly

So, we have

y ≥ (x+2)^2

The above expression is a an inequality of a quadratic function

Next, we plot the graph using a graphing tool

To plot the graph, we enter the expression in a graphing tool and attach the display

See attachment for the graph

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Simplify
Write your answer with positive exponents only.

Answers

The simplified exponential expression for this problem is given as follows:

xy^7/z^(14).

How to simplify the exponential expression?

The first step in simplifying the exponential expression is applying the power of power rule at the numerator, as follows:

(y² x z^-5)² = y^4z^(-10).

(for the power of power rule, we keep the bases and add the exponents).

When two terms with the same base and different exponents are divided, we keep the base and subtract the exponents, hence the exponents are given as follows:

x: -1 - (-2) = -1 + 2 = 1.y = 4 - (-3) = 7.z = -10 - 4 = -14.

The negative exponent means that the number appears in the denominator, hence the simplified expression is given as follows:

xy^7/z^(14).

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The simplified exponential expression for this problem is given as follows:

xy^7/z^(14).

How to simplify the exponential expression?

The first step in simplifying the exponential expression is applying the power of power rule at the numerator, as follows:

(y² x z^-5)² = y^4z^(-10).

(for the power of power rule, we keep the bases and add the exponents).

When two terms with the same base and different exponents are divided, we keep the base and subtract the exponents, hence the exponents are given as follows:

x: -1 - (-2) = -1 + 2 = 1.y = 4 - (-3) = 7.z = -10 - 4 = -14.

The negative exponent means that the number appears in the denominator, hence the simplified expression is given as follows:

xy^7/z^(14).

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A function g is defined below. (a) Write g as a set of ordered pairs. (b) Give the domain and range of g. g(-2) = - 5, g(0) = 0, g(2) = 2, g(4) = - 5 write g as a set of ordered pairs

Answers

Answer:

(a) To write g as a set of ordered pairs, we can use the given function values as follows:

g = {(-2, -5), (0, 0), (2, 2), (4, -5)}

(b) The domain of g is the set of all input values for which the function is defined. In this case, the domain is {-2, 0, 2, 4}.

The range of g is the set of all output values that the function can produce. In this case, the range is {-5, 0, 2}.

A group of 8 friends went to lunch and spent a total of $76, which included the food bill and a tip of $16. They decided to split the bill and tip evenly among themselves. Which equations and solutions describe the situation? Select two options. The equation StartFraction 1 over 8 EndFraction (x + 16) = StartFraction 76 over 8 EndFraction represents the situation, where x is the food bill. The equation StartFraction 1 over 8 EndFraction (x + 16) = 76 represents the situation, where x is the food bill. The solution x = 60 represents the total food bill. The solution x = 60 represents each friend’s share of the food bill and tip. The equation 8 (x + 16) = 76 represents the situation, where x is the food bill.

Answers

An equation and solution that describe the situation is: B. The equation 1/8(x + 16) = 76 represents the situation, where x is the food bill.

How to write an equation to model this situation?

In order to write a linear equation to describe this situation, we would a assign variable to the food bill, and then translate the word problem into a linear equation as follows:

Let the variable x represent the total amount of the food bill.

Since this group of 8 friends spent a total of $76, which included the food bill and a tip of $16, and decided to split the bill and tip evenly among themselves, a linear equation that can be used to model this situation is given by;

1/8(x + 16) = 76

(x + 16) = 76(8)

x + 16 = 608

x = 608 - 16

x = $592.

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NEED HELP WILL GIVE BRAINLIEST AND WILL RATE. Show work and I only need #2

Answers

Changing the base from 5/7 to 7, the end behavior of the function would be given as follows:

As x -> -∞, f(x) -> 0.As x -> ∞, f(x) -> ∞.

How to obtain the end behavior of a function?

The end behavior of a function is given by the limit of the function is the input x goes to either negative infinity or positive infinity.

The function for this problem is given as follows:

f(x) = 4(5/7)^x.

Changing the base to 7, it would have an absolute value greater than 1, hence the function would be increasing with the end behavior given as follows:

Approaches the horizontal asymptote y = 0 at the left of the graph -> As x -> -∞, f(x) -> 0.Increases as the input increases, that is, as x -> ∞, f(x) -> ∞.

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Plot the numbers -1 1/4 and 5/2 on the number line below. This is due tonight, pls help ):

Answers

-1 1/4 is equal to -1.25 so you would plot it on the line on the left next to -1.

5/2 is equal to 2.5 so you would plot it halfway between positive 2 and positive 3

PLEASE HELP WILL GIVE BRAINLEST FOR CORRECT ANSWER ONLY !!

(Enlarge photo)

Answers

The length of the diagonal of the cube is x = 3√2 inches

Given data ,

Let the length of the diagonal of the cube be x

Now , the side length of the cube is = 3 inches

From the Pythagoras theorem , we get

x = √s² + s²

On simplifying , we get

x = √ ( 3² + 3² )

x = √18

On simplifying , we get

x = 3√2 inches

Hence , the diagonal is 3√2 inches

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HELP PLSZZZZSZZZZZZZZZZ need asap

Answers

Answer: [tex]\frac{8}{15}[/tex]

Step-by-step explanation: In total, Patty placed 45 slips of paper in a bag(10+9+8+7+6+5). Out of those 45 slips of paper, only 24 had even numbers on them(10+8+6), resulting in the fraction [tex]\frac{24}{45}[/tex]. If you divide both 24 and 45 by 3, the fraction can be simplified to [tex]\frac{8}{15}[/tex].

A rare form of malignant tumor occurs in 11 children in a million, so its probability is 0.000011. Four cases of this
tumor occurred in a certain town, which had 17,199 children.
a. Assuming that this tumor occurs as usual, find the mean number of cases in groups of
17,199 children.
b. Using the unrounded mean from part (a), find the probability that the number of tumor cases in a group of
17.199 children is 0 or 1.
c. What is the probability of more than one case?
d. Does the cluster of four cases appear to be attributable to random chance? Why or why not?

Answers

a) The mean number of cases in groups of 17,199 children is 0.187.

b) The probability of 0 or 1 case in a group of 17,199 children is 0.832.

c)  The probability of more than one case in a group of 17,199 children is 0.168.

d) The expected number of cases is 3.214 and the actual number of cases is 4

What is the probability?

Probability is a measure of the likelihood or chance of an event occurring. It is a number between 0 and 1, where 0 means the event is impossible and 1 means the event is certain.

For example, if you flip a fair coin, the probability of it landing heads up is 0.5, because there are two equally likely outcomes (heads and tails), and one of them is heads. Similarly, if you roll a fair six-sided die, the probability of rolling a 3 is 1/6, because there are six equally likely outcomes (rolling a 1, 2, 3, 4, 5, or 6), and only one of them is a 3.

According to the given information

a. Assuming that the tumor occurs as usual, the mean number of cases in groups of 17,199 children can be calculated as:

mean = (probability of a single case) x (number of children) = 0.000011 x 17,199 = 0.187

So the mean number of cases in groups of 17,199 children is 0.187.

b. The probability of 0 or 1 case can be found using the Poisson distribution, which models the probability of a certain number of events occurring in a fixed interval of time or space, given the mean rate of occurrence. In this case, the Poisson distribution can be used to find the probability of 0 or 1 case in a group of 17,199 children, given the mean of 0.187.

The probability of 0 or 1 case can be calculated as follows:

P(0 or 1 case) = P(0 case) + P(1 case)

= (e⁽⁻⁰°¹⁸⁷⁾ * 0.187⁰) / 0! + (e⁽⁻⁰°¹⁸⁷⁾ * 0.187¹) / 1!

= 0.832

Therefore, the probability of 0 or 1 case in a group of 17,199 children is 0.832.

c. The probability of more than one case can be found as:

P(more than one case) = 1 - P(0 or 1 case)

= 1 - 0.832

= 0.168

Therefore, the probability of more than one case in a group of 17,199 children is 0.168.

d. To determine whether the cluster of four cases is attributable to random chance, we can compare the actual number of cases with the expected number of cases based on the mean rate of occurrence.

The expected number of cases in a group of 17,199 children can be found by multiplying the mean rate of occurrence (0.187) by the number of groups:

expected number of cases = 0.187 x 17199 = 3.214

Since the expected number of cases is 3.214 and the actual number of cases is 4.

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work out the some of the interior angles of a pentagon

Answers

"Although part of your question is missing, you might be referring to this full question: Work out the sum of the interior angles of a pentagon".

A pentagon is a polygon with five sides. We can use a formula to get the pentagon's interior angle total. According to the formula, (n-2) x 180 degrees can be used to calculate the total of any polygon's internal angles. This formula can be changed to n=5 for a pentagon, giving us (5-2) x 180 degrees = 540 degrees. Consequently, a pentagon's internal angles add up to 540 degrees.

The sum of the interior angles of a pentagon can also be computed by dividing it by the number of sides, and the result can then be subtracted from 180 degrees to determine each inner angle. So, a pentagon's internal angles are each (540/5)-180 degrees, or 108 degrees.

In conclusion, a pentagon's interior angles add up to 540 degrees, and each interior angle is 108 degrees. In order to solve mathematical problems involving polygons, it can be helpful to comprehend the formulas used to calculate these numbers.

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Let A=[1 2 5 4] B=[-1 1 1 10]. Find A^2 B^2. Hint A^2 = A•A

Answers

The combination of [tex]A_2[/tex] and [tex]B_2[/tex] results in  [tex]A_2[/tex]  [tex]B_2[/tex] , where   [tex]A_2[/tex]  is the product of   [tex]A_2[/tex]  and  [tex]B_2[/tex] , and  [tex]B_2[/tex]  is the product of  [tex]B_2[/tex]  and   [tex]A_2[/tex] . The dot product of both vectors A and B yields a result of 4738 for the product of   [tex]A_2[/tex]  and  [tex]B_2[/tex] .

What is vector?

A vector is a mathematical construct with a length and a direction. It is frequently used to symbolise tangible properties like force, velocity, and acceleration. There are numerous techniques to multiply, add, and manipulate vectors. The characteristics and interactions of vectors in higher dimensions are described using vector calculus.

[tex]A_2B_2=A_2.B_2\\\\A_2=A.A\\\\A.A=[1.1+2.2+5.5+4.4][/tex]

=1+4+25+16

=46

[tex]B_2=B.B\\\\B_2=B.B\\\\B.B=[-1.-1+1.1+1.1+10.10][/tex]

=1+1+1+100

=103

[tex]A_2B_2=46.103\\\\A_2B_2=4738[/tex]

Therefore, [tex]A_2B_2=4738[/tex]

The combination of [tex]A_2[/tex] and [tex]B_2[/tex] results in  [tex]A_2[/tex]  [tex]B_2[/tex] , where   [tex]A_2[/tex]  is the product of   [tex]A_2[/tex]  and  [tex]B_2[/tex] , and  [tex]B_2[/tex]  is the product of  [tex]B_2[/tex]  and   [tex]A_2[/tex] . The dot product of both vectors A and B yields a result of 4738 for the product of   [tex]A_2[/tex]  and  [tex]B_2[/tex] .

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A sample of 81 items is taken from a population with a standard deviation of 45 kilograms. The sample mean is 112 kilograms. What weights are included in the 99.7% of confidence interval?

Answers

The confidence interval of the given data is (117, 107).

Given that:

Sample mean X = 112

Standard deviation σ = 45

Sample size n = 81

Confidence level = 99.7%

Z Score = (x − μ )/σ

Z score = 0.9944

Confidence interval = X±z (σ/√n)

= 112±0.9944(45/√81)

= 112±0.9944(5)

= 112±4.972

= 112+4.972 or 112-4.972

= 116.972 or 107.028

= (117, 107)

Therefore, the confidence interval of the given data is (117, 107).

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Other Questions
Water (2 kg) is to be heated from 25 C to 100 C. A natural gas heater with an 85 % efficiency is used for this purpose. (a) How much (in volume) natural gas is required if it can release 38,000 kJ/m3 of heat. (b) How much electric work is required if electric heater efficiency is 100 %? (c) Determine the minimum work required using exergy analysis. An event independently occurs on each day with probability p. Let N(n)denote the total number of events that occur on the first n days, and let Tr denote the day on which the rth event occurs.(a) What is the distribution of N(n)?(b) What is the distribution of T1?(c) What is the distribution of Tr?(d) Given that N(n) = r, show that the unordered set of r days on which events occurred has the same distribution, as a random selection (without replacement) of r of the values 1, 2, . . . , n. Help please with this. in natural deduction, you can never prove a tautological statement that has the form of a disjunction by using the conditional proof method. true or false 1 pt) Find the common ratio and write out the first four terms of the geometric sequence {(9^n+2)/(3)} .Common ratio is 3 .................... a1= ?, a2= ?, a3= ?, a4= ? A potential energy function for a system in which a two-dimensional force acts is of the form U = 3x^5y - 3x. Find the force that acts at the point (x, y). (Use the following as necessary: x and y.)vectorF = Strontium hydroxide, Sr(OH)2, is a strong base that will completely dissociate into ions in water. Calculate the following. (The temperature of each solution is 25C.)(a) the pOH of 5.9104 M Sr(OH)2.(b) the concentration of hydroxide ions in a Sr(OH)2 solution that has a pH of 12.77. Under what circumstances does the sampling distribution of the proportion approximately follow the normal distribution? Choose the correct answer below. A. sampling without replacement when nx and n(1 - x) are each at least 10 B. only for instances of sampling with replacement c. sampling with replacement or without replacement from extremely large populations when nx and n(1-x) are sach at least 5 D. for all instances of sampling with replacement or without replacement from extremely large populations Use the handout #38 on Series of Atomic Hydrogen Emission Spectrum if necessary An electron is moving from the principal quantum number n = 6 ton = 2. The energy created by that move is classified as an __The energy value of that transition is -4.84 x 10-19 J, __The corresponding wavelenth is __That is a __ color light This falls in the __ Series The sellers accept an offer that is subject to the sale of the buyer's present home. To avoid waiting around forever, they can insist that the contract include A. an escape clauseB. a contingency for buyer's financingC. a provision for liquidated damages. D. an earnest money deposit. If a directed acyclic graph(DAG) G contains a path that touches each vertex exactly once, then there exists an edge between any two consecutive nodes in the linearized order (topological sort) of G.In order to find whether there exists a path that touches each vertex exactly once execute the following steps: Linearize the given directed acyclic graph G. Take every two consecutive nodes in the linearized order of G and check whether there exists an edge between those two nodes or not.If there exists an edge between every two consecutive vertices, then there exists a path that touches every vertex exactly once. Otherwise, there exists no such path.Linearization or topological sorting can be done with the help of DFS as follows:1) Run DFS on the given directed acyclic graph G.2) The vertex with highest post number is the source (that has indegree zero). Remove the source vertex from the graph.3) Find the next source vertex (that has indegree zero) in the resultant graph obtained by removing previous source vertex.4) repeat the step 3, until all the vertices are processed.The order of removing vertices gives the topological order or the linearized order of the given graph. i)What is the direction ofa_vecwhen the pendulum is at position 1?Enter the letter of the arrow parallel toa_vec.ii)What is the direction ofa_vecat the moment the pendulum passes position 2?Enter the letter of the arrow that best approximates the direction ofa_vec.iii)What is the direction ofa_vecwhen the pendulum reaches position 3?Give the letter of the arrow that best approximates the direction ofa_vec.iv)As the pendulum approaches or recedes from which position(s) is the acceleration vectora_vecalmost parallel to the velocity vectorv_vec.A)position 2 onlyB)positions 1 and 2C)positions 2 and 3D)positions 1 and 3 1) Analyse the setting. How are Sudan and Londoncontrasted and perceived by Majdi shows a scaffolding pole (a long metal pole used in construction) with various forces acting on it.The pole has a length of 4.5 m Calculate the net torque about point C, the oenter-of-mass. Recall the sign convention for torque: torque is positive if it tends to cause a CCW rotation; it is negative if it tends to cause a CW rotation. Express your answer using two significant figures. TaboutC m N Submit Part B Figure 1 of 1 Calculate the net torque about the point F. 5IN Express your answer using two significant figures. 65N m N Submit 60 57N A sled slides without friction down a small, ice covered hill. If the sled starts from rest at the top of the hill, it's speed at the bottom is 7.50 m/s. A) On the second run the sled starts with a speed of 1.50m/s at the top. When it reaches the bottom of the hill is it's speed 9.00 m/s, more than 9.00m/s, or less than 9.00m/s. Explain. B) Find the speed of the sled at the bottom of the hill after the second run. Use Routh's criteria to find the range of kp for which all roots of the following CE are in the LHP: $++ 4.5 +6.52 +4.5+ kp = 0 a. First, use Routh's first criterion to symbolically specify any limitations on controller gain. Use ONLY the symbolic variable kp and numerals. o These symbolic variables and functions are case sensitive (e.g. A a, etc.). o Use the "Relations" tab within the calcPad to enter appropriate operators(, 3, 5, etc.) as needed. o Notation can be interchanged (e.g. X510 is equivalent to 103x). Criterion #1: b. Next, use Routh's second criterion to symbolically specify any limitations on controller gain. o Use ONLY the symbolic variable kp and numerals. o These symbolic variables and functions are case sensitive (e.g. A = a, etc.). o Use the "Relations" tab within the calcPad to enter appropriate operators(, What is the purpose of salting passwords? Two queues in series. Consider a two station queueing network in which arrivals only occur at the first server and do so at rate 2. If a customer finds server 1 free he enters the system; otherwise he goes away. When a customer is at the first server he moves on to the second server if it is free the system if it is not. Suppose that server 1 serves at rate 4 while server 2 serves at rate 2. Formulate a Markov chain model for this system with state space 10, 1,2,12} where the state indicates the servers who are busy. In the long run (a) what proportion of customers enter the system? (b) What proportion of the customers visit server 2? true or false in most healthcare organizations, labor costs are the single largest line item in the operating budget. Consider an Intrusion Detection System with a False Positive Rate of 0.001 and a False Negative Rate of 0.09.a. If there are 100,000,000 legitimate transactions (connections) a day, how many false alarms will occur?b. If there are 1000 hacking attempts (connections) per day, how many true alarms will be given?c. How many hacking attempts will go unnoticed?