a small bus interchange has 2 feeder services that start simultaneously at 9 am. bus number 801 leaves the interchange at 15-min intervals, while bus number 802 leaves at 20- min intervals. on a particular day, how many times did both services leave together from 9 am to 12 noon inclusive?

Answers

Answer 1

The number of times both services left the interchange together from 9am to 12 noon is 0.

Let's call the number of 15-minute intervals that have passed since 9 am "t".

So, the time that bus number 801 leaves the interchange after t intervals is 9am + 15t minutes.

Similarly, the time that bus number 802 leaves the interchange after t intervals is 9 am + 20t minutes.

For both services to leave the interchange at the same time, the number of 15-minute intervals that have passed since 9 am must be the same for both buses.

In other words, 15t must equal 20t.

Dividing both sides of this equation by 5, we get 3t = 4t.

This equation has no solution, which means that bus number 801 and bus number 802 never leave the interchange at the same time from 9am to 12 noon.

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Related Questions

When this net is folded up, which two points meet X?

Answers

The points will  meet x when it is folded are C or E

What is the point?

A point is a location of an object by taking reference of origin, In general case we consider it at (0,0), At the origin value of both the coordinate position is considered as Zero, In simple words point indicates how much it is above or below from the coordinate axes.

Vertical distance from the x axis is known as y coordinate and horizontal distance from the y axis is known as x coordinate.

Given that,

A green colored Net,

After folding x point will  meet the points = ?

When we start folding,

First step,

Side ABCD and DEFG will be folded,

C and E will meet with each other

Second Step,

Side ABCD and AGHI will be folded,

B and I will meet with each other

Third step,

Side DEFG and AGHI will be folded,

F and H will meet each other

Fourth step,

Upper portion AHI will cover the upper portion BCF of the box

X will at position of C or E

Hence, the X will meet C or E

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Price of a book: $18.50
Discount: 45%

Find the new price of the book after the discount. Round to the nearest cent.

Answers

The answer is 10.18

0.55 x 18.50 = 10.175
round it 10.18

At a cupcake shop, cupcakes cost $3
each. If you have no more than $42 to
spend on your birthday cupcakes, how
many can you get? Write in inequality
and solve for c, cupcake.

Answers

Answer: 14 cupcakes

Step-by-step explanation:

42 divided by 3

A colored spinner with eight equal sections is given. spinner divided evenly into eight sections with three colored blue, one red, two purple, and two yellow Using the fair spinner, determine P(less than 4) when the spinner is spun once. 0.125 0.25 0.375 0.5

Answers

The probability that less than four colours will be chosen when the spinner is spun once would be = 0.5. That is option D.

What is probability?

Probability is defined as the expression that show the possible outcome of an event which is likely or unlikely to occur.

The coloured spinner is divided into = 8 colour sections

The number of blue section = 3

The number of red = 1

The number of purple section = 2

The number yellow section = 2

Therefore the probability to select 4 colour when spun once = 4/8 = 1/2 = 0.5

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if it is assumed that all 52 5 poker hands are equally likely, what is the probability of being dealt a flush?

Answers

If it is assumed that all 52 5 poker hands are equally likely, the probability of being dealt a flush is 0.001981

Flush means all 5 cards are of the same suit.

Now, we need to select one suit out of 4 which can be done in ⁴C₁ ways.

Now, when the suit is selected, we have to select 5 cards from that specific suit. This can be done in ¹³C₅ ways

In the game of poker, there are ⁵²C₅ possible hands.

So, the probability of a flush is given by:

              P = (⁴C₁ × ¹³C₅)/⁵²C₅

              P = (4 × 1287)/2598960

              P = 5148/2598960

              P = 0.001981 or 1.981 × 10⁻³ or 0.1981 %

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the points at which the parabola intersects the x-axis

Answers

The x-intercepts or roots of the parabola are the locations where a parabola contacts the x-axis. These are the solutions to the parabola equation where the y-value is equal to zero.

What is parabola?

A parabola is an open curve formed by the intersection of a right circular cone with a plane parallel to one of the cone's elements. This is known as the standard form of a quadratic function. A parabola is the graph of a quadratic function that is a U-shaped curve. A parabola is the graph of the equation y=x2 illustrated below. Parabolas are classified into three categories. There are three types of forms: vertex form, standard form, and intercept form. Each type offers a unique important characteristic for the graph. The three major forms from which we graph parabolas are known as standard form, intercept form, and vertex form. Each form will provide you with somewhat different information as well as its own set of pros and downsides.

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Find the rule. Solve for n
X 5 6 7 n
Y 10 12 14 20 Rule:​

Answers

Answer:

n = 10

Step-by-step explanation:

2x = y

2(n)=20

n = 20/2

n = 10

If 3(m + n) is even, then which of the following must also be even ?
A.m + n
B.m
C.n
D.3m
E.3n + 1

Answers

The solution is, A. m + n, must also be even .

What is Even ?

A number that is divisible by 2 and generates a remainder of 0 is called an even number. Examples of even numbers are 2, 4, 6, 8, 10, etc. For example, assume you have ten chocolates. These chocolates may be divided into two groups, each having five chocolates. So, ten is an even number.

here, we have,

given that,

If 3(m + n) is even

so, we get,

3(m + n) is divisible by 2.

i.e. m+n is must ne divisible by 2.

Hence, The solution is,  A. m + n, must also be even .

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What begins with T, ends with T, and has T in it?

Answers

Answer: A teapot.

Step-by-step explanation:

To download movies off the internet, you must pay $1.99 per movie, plus a onetime fee of $5.50. Which expression shows the total cost to download N movies?

Answers

Answer:

Step-by-step explanation:

well then the anwser is 1.99 because the one time fee is only for downloading one movie the first, but 1.99 is the money you have to pay everytime you download a movie.

what is it about the decimal system that allows us to compare numbers this way by starting at the left-most non-zero place?

Answers

The decimal system is a positional notation system, which means that the value of a digit in a number depends on its position in the number.

In the decimal system, each digit can take on one of ten possible values (0, 1, 2, 3, 4, 5, 6, 7, 8, or 9), and the value of a number is determined by multiplying each digit by its corresponding power of ten and then summing up the products.

For example, the number 123 can be written as [tex]1 x 10^2 + 2 x 10^1 + 3 x 10^0[/tex], where the exponent on the 10 indicates the position of the digit in the number. The left-most digit (1) is in the hundreds place, the next digit (2) is in the tens place, and the right-most digit (3) is in the ones place.

This positional notation system allows us to easily compare numbers by starting at the left-most non-zero place, because the value of each digit is determined by its position relative to the other digits in the number. The left-most digit represents the largest power of 10, and thus has the greatest impact on the overall value of the number. By comparing the left-most non-zero digits of two numbers, we can quickly determine which number is larger. If the left-most non-zero digits are the same, we can move on to the next digit to the right and continue the comparison until we find a difference.

This is why we use the left-to-right ordering of digits to compare numbers in the decimal system. It allows us to quickly determine the relative size of numbers, even when dealing with large or complex numbers.

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what an outlier in a data set can significantly affect the value of the mean but not the median?

Answers

An outlier in a data set can significantly affect the value of the mean but not the median because the mean is calculated by adding up all the values and dividing by the total number of values, while the median is the middle value of a set of data when it is arranged in numerical order. Outliers can greatly influence the mean because they can greatly increase or decrease the sum of all the values, which changes the average. However, outliers do not significantly affect the median because the median only depends on the middle value of the data set, and not the total sum of all the values.

This probability distribution shows the
typical distribution of pitches thrown to a
batter in a given "at-bat" in a baseball game.
Pitches
1
3
4
5
Frequency
15
20
40
15
10
Find the probability that the pitcher will
throw 4 or fewer pitches to a batter.
p=[?]
Enter

Answers

The probability that the pitcher will throw fewer than 4 pitches to a batter is 0.35

What is the probability?

Probability refers to a possibility that deals with the occurrence of random events.

The probability of all the events occurring need to be 1.

P(E) = Number of favourable outcomes / total number of outcomes

This probability distribution is shown below:

Pitch                   1            2        3          4         5

Frequency         15         20      40        15        10

Probability         0.15     0.2      0.4      0.15      0.1

Thus the probability that the pitcher will throw fewer than 3 pitches to a batter = P(X < 4)

X  is the number of pitches thrown.

Therefore:

P(X < 4) = P(X = 1) or P(X = 2)

The additive rule of the probability states that if two events X and Y are dependent events, the probability of X or Y occurring is the sum of their individual probability.

P(X < 4) = P(X = 1) or

P(X = 2) = P(X = 1) + P(X = 2)

= 0.15 + 0.2

= 0.35

Hence, The probability that the pitcher will throw fewer than 4 pitches to a batter is 0.35

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hello, for anybody who has taken the MATH 2 ACT. were there questions on the graphs of polar coordinates?? should i study them?

Answers

Answer:

Hi Saba!

Yes, it is possible that the ACT Math Test includes questions on the graph of polar coordinates. It is always a good idea to be familiar with all the topics covered on the ACT Math Test, so studying polar coordinates might be beneficial. However, the best way to determine what you need to study for the test is to look at the official ACT test prep materials and practice tests, which will give you a good idea of what types of questions are asked.

#8. The half-life of a radioactive kind of tellurium
is 3 hours. How much will be left after 15 hours,
if you start with 60 grams of it?

Answers

After 15 hours there will be 1.875 grams of the radioactive tellurium.

How much will be left after 15 hours?

We know that the half-life of a radioactive kind of tellurium is 3 hours.

This means that for any quantity A of that radioinuclei, after 3 hours we will have half of that amount.

Then we can write the exponential equation:

M(x) = A*(1/2)^(x/3h)

Here we start with A= 60 grams, and after 15 hours we will have:

M(15h) = 60g*(1/2)^(15h/3h)

M(15h) = 60g*(1/2)^(5) = 1.875 g

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wake county has funding to upgrade 48 school cafeterias. school type number of schools elementary 104 middle 33 high 26 special/optional 4 assuming all else is equal, let's determine how many of each school type should receive the upgrade. first, identify the standard divisor. round your answer to four decimal places.

Answers

Rounding to four decimal places, the standard divisor is 3.4792.

The standard divisor can be calculated as follows:

Standard Divisor = Total number of schools / Total number of upgrades

Total number of schools = 104 + 33 + 26 + 4 = 167

Total number of upgrades = 48

Standard Divisor = 167 / 48 = 3.4792

Rounding to four decimal places, the standard divisor is 3.4792.

The standard divisor is a term used in resource allocation or distribution problems, where a set number of resources (e.g., funding, personnel, supplies, etc.) has to be divided among a number of recipient entities (e.g., schools, departments, regions, etc.).

The standard divisor is a number that represents the average allocation of resources per recipient entity, calculated as the total amount of resources divided by the number of recipient entities.

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a city received more than 16 in of snow the inequality is

Answers

The inequality of the statement is x > 16

How to determine the inequality

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

a city received more than 16 in of snow

In inequality, more than mean >

So, we have the following representation

Snow > 16

Represent the snow with x

So, we have the following representation

x > 16

Hence, the inequality is x > 16

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Tyler and Blake have rectangular pieces of paper with the same length and same width. They each cut their paper exactly in half. Tyler cuts his paper horizontally through the middle. Blake cuts his paper along a diagonal. Which student has the half piece of paper with the greater area?

Answers

The student that has the half piece of paper with the greater area is blake.

How to find the surface area of some object?

Find the area that its outer surfaces possess. Sum of all those surfaces' area is the surface area of the considered object.

Given;

Tyler and Blake have rectangular pieces of paper with the same length and same width

Tyler cuts his paper horizontally through the middle

Blake cuts his paper along a diagonal

Now,

Let the length and breadth be y

Tylers half area= y*y/2=y^2/2

Blakes half area=1/2* [tex]\sqrt{3}[/tex]y*[tex]\sqrt{3}[/tex]y/2

=3y^2/4

Therefore, blakes piece of paper has more area.

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Find the length of side x in simplest radical form with a rational denominator

Answers

Check the picture below.

__________ is a measure of how responsive one variable is to a change in another variable.

Answers

Answer:  Elasticity

Elasticity is a measure of how responsive one variable is to a change in another variable.

Find the volume V or radius r of the sphere. Round your answer to the nearest tenth, if necessary. Volume = 36 π m³​

Answers

Answer:

The radius can be shown in 2 different forms

Fraction Form

[tex]r=\sqrt[3]{\frac{27}{\pi}}[/tex]


Decimal Form

[tex]r=2.05[/tex]

Step-by-step explanation:

The formula for the volume of the sphere is

[tex]V=\frac{4}{3}\pi r^3[/tex]

We are given the volume and we are asked to find the radius.

We can solve for [tex]r[/tex] in the equation for volume to evaluate the radius.

[tex]\frac{4}{3}\pi r^3=V[/tex]

Move [tex]\pi[/tex] and [tex]r^3[/tex] into the numerator.

[tex]\frac{4\pi r^3}{3}=V[/tex]

Divide both sides of the equation by 3.

[tex]4\pi r^3=3V[/tex]

Divide both sides of the equation by [tex]4\pi[/tex].

[tex]r^3=\frac{3V}{4\pi }[/tex]

Take the cube root of both sides to eliminate the exponent.

[tex]r=\sqrt[3]{\frac{3V}{4\pi }}[/tex]

Numerical Evaluation

Now we have an equation to evaluate [tex]r[/tex].

Given [tex]V=36[/tex]

Insert 36 in for [tex]V[/tex].

[tex]r=\sqrt[3]{\frac{3*36}{4\pi }}[/tex]

Factor 4 out of [tex]3*36[/tex] and add parenthesis.

[tex]r=\sqrt[3]{\frac{4(3*9)}{4(\pi) }}[/tex]

Cancel the common factor of 4.

[tex]r=\sqrt[3]{\frac{3*9}{\pi}}[/tex]

Multiply [tex]3*9[/tex].

[tex]r=\sqrt[3]{\frac{27}{\pi}}[/tex]

The answer can be shown in multiple forms.

Fraction Form

[tex]r=\sqrt[3]{\frac{27}{\pi}}[/tex]


Decimal Form

[tex]r=2.05[/tex]

HELP pls will mark you brainliest

Answers

Answers:

#6: (6,32)

#7: total cost for kites R fun   Total cost for windy kites

                    4                                              42

                     7                                               62

                     10                                             82

generally, parametric estimating requires less information and time than analogous estimating. a. true b. false

Answers

The statement "generally, parametric estimating requires less information and time than analogous estimating." is False.

Parametric estimating and analogous estimating are two different methods used to estimate the cost of a project or the value of a parameter.

Parametric estimating uses statistical data and mathematical models to make predictions about the cost or value of a project. This method requires specific data and information about the project, such as historical data, vendor quotes, and cost of similar projects.

The advantage of parametric estimating is that it can be more accurate and precise than other methods, but it can also be time-consuming to gather the necessary data and perform the calculations. Analogous estimating, uses information from similar projects to make predictions about the cost or value of a project.

This method requires less data and information than parametric estimating, but it can be less accurate and precise. Analogous estimating is often used as a quick and rough estimate, or when there is not enough data available to use parametric estimating.

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the three numbers 5,5,20 have a sum of 30 and therefore a mean of 10. use software to determine the standard deviation. use the function for sample standard deviation. give your answer precise to two decimal places. standard deviation= now suppose a fourth value equal to the mean, 10, were added to the data set. what would happen to the standard deviation? choose the correct statement.

Answers

The standard deviation changes as the  three digits 5, 5, and 20 add up to 30 and it would decrease.

Given that,

The three digits 5, 5, and 20 add up to 30 and have a mean of 10 as a result. To calculate the standard deviation, use software. utilize the sample standard deviation function. Give a two-decimal place precision to your response. Assume the data set now included a fourth value, 10, which is equal to the mean.

To find : How would the standard deviation change?

S = √∑(Xi - X)²/n-1

= √ (5-10)² + (5-10)² +(20-10)² / 2

= √ 25+25+ 100 / 2

= √ 75

= 8.66

S = √∑(Xi - X)²/n-1

= √ (5-10)² + (5-10)² +(20-10)² + (10-10)² / 3

= 7.07

So, The standard deviation would drop when the three digits 5, 5, and 20 added up to 30.

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McKenna spends 7/4 hours mopping the
floors and 27/8 hours mowing and weeding the yard. How many hours does shespend on her chores?

Answers

Answer:

Below

Step-by-step explanation:

7/4 = 14/8 hr

14/8  + 27/8  = (14+27) / 8 = 41/8 = 5  1/8   hr

PLEASEEEEE I NEED TO GRADUATE

Answers

The solution for the given expression b = √ -1 -2b is b = -1.

What is quadratic equation?

An algebraic equation of the second degree in x is a quadratic equation. The quadratic equation is written as ax^2 + bx + c = 0, where x is the variable, a and b are the coefficients, and c is the constant term. First, there must be a term other than zero in the coefficient of x^2 (a not equal 0) for an equation to be a quadratic equation.

The expression is:

b = √ -1 -2b

Take square on both sides of the equation. The square negates the square root and we have the following expression:

b² = - 1 - 2b

b² + 2b + 1 = 0

The quadratic formula is given as:

x = - b ± √b² - 4ac ÷ 2a

Substituting the value of b = 2, a = 1 and c = 1:

x = -2 ± √4 - 4(1)(1) ÷ 2(1)

x = -2 ÷ 2

x = -1

Hence, the solution for the given expression b = √ -1 -2b is b = -1.

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over which intervals is f positive? over which intervals is it negative? over which intervals, if any, is it equal to zero?

Answers

To determine these intervals, one can use the function's critical points, zeros, or other methods, such as testing values or using calculus.

The intervals over which a function is positive, negative, or equal to zero can be determined by analyzing the function's graph. If a function is positive over an interval, its graph is above the x-axis over that interval, meaning that its values are positive. If a function is negative over an interval, its graph is below the x-axis over that interval, meaning that its values are negative. If a function is equal to zero over an interval, its graph passes through the x-axis over that interval, meaning that its values are equal to zero. To determine these intervals, one can use the function's critical points, zeros, or other methods, such as testing values or using calculus.

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CAN SOMEONE PLS HELP ME!!!!!!!!!

Answers

The trigonometric form of the complex number is,  

-6+ i (-6) = 6√2( cos5pi/4 + i sin 5pi/4)

What is complex number?

In mathematics, a complex number is an element of a number system that extends the real numbers with a specific element denoted i, called the imaginary unit and satisfying the equation {\displaystyle i^{2}=-1}; every complex number can be expressed in the form a + bi, where a and b are real numbers.

here, we have,

the complex number which we get from the given graph is,

-6+ i (-6)

so, a = -6

    b = -6

i.e. z = √a^2+b^2

        =6√2

so, we know,

The trigonometric form of a complex number:

z = |z| (cosα +i sinα)

now, cosα = a/|z|

                 = -1/√2

and, sinα = b/|z|

              = -1/√2

so, solving we get,

α = 5pi/4

i.e. -6+ i (-6) = 6√2( cos5pi/4 + i sin 5pi/4)

Hence, The trigonometric form of the complex number is,  

-6+ i (-6) = 6√2( cos5pi/4 + i sin 5pi/4)

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Graph each system of Inequalities:

Answers

A graph of the system of linear inequalities is shown in the image attached below.

What is an inequality?

In Mathematics, an inequality simply refers to a mathematical relation that is typically used for comparing two or more numerical data and variables in an algebraic equation based on any of the following inequality symbols:

Less than (<).Greater than (>).Less than or equal to (≤).Greater than or equal to (≥).

In this exercise, we would use an online graphing calculator to plot the given system of linear inequalities y > -x + 5 and y ≤ 3x -4 as shown on the graph attached below. Based on the graph (see attachment), we can logically deduce that the solution to the given inequality is the shaded region, with a point of intersection at the ordered pair (2.25, 2.75) in quadrant I.

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if there must be at least one person in each table, in how many ways can 6 people be seated (a) around two tables? (b) around three tables?

Answers

There are 120 possible ways for two tables and 90 ways for 3 tables.

If we split the six people into 4/1/1, there will be (6 4) ways to select the 4 people sitting together, and 3! ways to arrange them at their table, so this gives (6 4)(3!)=15(6)=90 possibilities.

If we split the six people into 3/2/1, we will get (6 3) ways to select the 3 people sitting together, 2! ways to arrange them at their table, and (3 2) ways to select the 2 people sitting together, so this gives (6 3)⋅2⋅(3 2)=20(2)(3)=120 possibilities.

Finally, there are 120 possible ways for two tables and 90 ways for 3 tables.

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review the file below. how many records are in the file? doe john 1298456 100 eastern oviedo fl franks mary 238576 113 euclid oviedo fl johnson ed 3424556 95a e first sanford fl nelson meg 9843534 8231 western lake mary fl smith zac 7653484 22 n main sanford fl the school nurse is reviewing the chart of a 12-year-old student who has had excessive absences due respiratory infections. what is the best action by the nurse? Laura and Sean find the product of 3x4 using different methods.Laura: It's 2 thirds of 4.4 = 3 +Use words, pictures, or numbers to compare their methods in the space below.Sean: It's 4 groups of 2 thirds.2|3+= 4x883 this is also worth 100 points COLLEGE Dominicks grandfather gave him $300 to start his college savings account. Dominicks grandfather also gives him $75 each month to add to the account. Dominicks mother gives him $40 each month, but has been doing so for 3 fewer months than Dominicks grandfather. Write a simplified expression for the amount of money Dominick has received from his grandfather and mother after m months. how much would you pay today for the right to receive $80 at the end of 10 years if you can earn 15 percent interest on alternative investments of similar risk? Fill in the blanks to follow the steps in solving the equation:5x 12 6x = 10x + 7 1 kaitlyn and larissa have formed a dog bathing and grooming business business. the number of dogs they can bathe or groom in any given day is depicted in table below. the opportunity cost of grooming the first dog in a day is bathing dog(s). bathgroom 06 75 134 183 222 251 270 select one: a. 1 b. 2 c. 24 d. 25 pls help meh with it which of the following provides another example of congress' weakness in regulating big business during this period? .Which of the following is NOT a piece of information that scientists can obtain from the fossil record?A. Changes that the Earths climate has experienced B. Information about organisms that lived long ago C. Changes organisms have experienced over time D. Information about every single plant and animal that have ever existedPlease explain why you chose this. About parallels and transversal FILL THE BLANK The veteran policeman and his rookie partner ___ the beat slowly, looking into the shop windows and checking to make sure all the doors are locked. the manager of a magazine wants to estimate the percent of magazine subscribers who approve of a new cover format. to gather data, the manager will select a random sample of subscribers. which of the following is the most appropriate interval for the manager to use for such an estimate? true or false? babbling is the production of vowel-like sounds (usually /u/ and /oo/ with occasional brief consonant-like sounds similar to /k/ and/g/), usually produced by infants when feeling comfort or pleasure and interacting with a caregiver. To better understand how husbands and wives feel about their finances, Money Magazine conducted a national poll of married adults age and older with household incomes of or more (Money Magazine website, December , ). Consider the following example set of responses to the question, Who is better at getting deals? when a society decides to move from one point on a production possibilities curve to another point on the ppc, the opportunity cost of the choice is: Evaluate and simplify the following complex fraction. -2/-7|4/-9 TRUE/FALSE. the trait approach to understanding leadership is an example of a follower-centered theory of leadership A 9-ounce bottle of medicine contains 54 doses. How many doses are in a 15-ounce bottle of the same medicine? the manager on a hospital unit has highlighted some of the large gaps between desired client outcomes and actual client outcomes. what component of lewin's change theory is the manager demonstrating?