The following are the ages of 12 history teachers in a school district.
36, 38 ,39 ,40 ,42 ,50 ,51 ,52 ,53 ,53 ,56 ,57
Notice that the ages are ordered from least to greatest.

Give the five-number summary and the interquartile range for the data set.
Five-number summary

Minimum:
Lower quartile:
Median:
Upper quartile:
Maximum:
Interquartile range:

Answers

Answer 1

The five-number summary for this data set is 36, 38.5, 50.5, 53, and 57, and the interquartile range is 14.5.

How does interquartile range work?

Measures of statistical dispersion, or the spread of the data, include the interquartile range. In addition to the IQR, other names for it include the midspread, middle 50%, fourth spread, and H-spread.

According to the given information:

To find the five-number summary and interquartile range for this data set, we first need to find the quartiles.

Step 1: Find the median (Q2)

When a data collection is sorted from least to largest, the median is the midway value. Since there are 12 values in this data set, the median is the average of the sixth and seventh values:

Median (Q2) = (50 + 51)/2 = 50.5

Step 2: Find the lower quartile (Q1)

The lower quartile is the median of the lower half of the data set. Since there are 6 values below the median, we take the median of those values:

Q1 = (38 + 39)/2 = 38.5

Step 3: Find the upper quartile (Q3)

The upper quartile is the median of the upper half of the data set. Since there are 6 values above the median, we take the median of those values:

Q3 = (53 + 53)/2 = 53

Now we have all the information we need to construct the five-number summary and interquartile range:

Minimum: 36

Lower quartile (Q1): 38.5

Median (Q2): 50.5

Upper quartile (Q3): 53

Maximum: 57

Interquartile range (IQR) = Q3 - Q1 = 53 - 38.5 = 14.5

the five-number summary for this data set is 36, 38.5, 50.5, 53, and 57, and the interquartile range is 14.5.

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Related Questions

John wants to know the volume of his gold ring in cubic centimeters. He gets a glass in the shape of a rectangular prism with a base
3
cm
3 cm3, start text, space, c, m, end text by
2
cm
2 cm2, start text, space, c, m, end text and fills the glass with
3. 1
cm
3. 1 cm3, point, 1, start text, space, c, m, end text of water. John drops his gold ring in the glass and measures the new height of the water to be
3. 7
cm
3. 7 cm3, point, 7, start text, space, c, m, end text. What is the volume of John's ring in cubic centimeters?

Answers

The volume of Laura's gold ring is 21.6 cubic centimeters.

To find the volume of the gold ring, we need to determine the volume of water that is displaced when the ring is dropped into the glass.

The initial volume of water in the glass can be calculated as the product of the base area and the height of the water:

V1 = base area x height of water = 7 cm x 4.5 cm x 8.8 cm = 277.2 cm³

When the gold ring is dropped into the glass, it displaces some of the water, causing the water level to rise. The new volume of water in the glass can be calculated using the same formula, but with the new height of the water:

V2 = base area x height of water with ring = 7 cm x 4.5 cm x 9.2 cm = 298.8 cm³

The volume of the gold ring can be calculated by subtracting the initial volume of water (before the ring was added) from the new volume of water (after the ring was added):

Volume of gold ring = V2 - V1 = 298.8 cm³ - 277.2 cm³ = 21.6 cm³

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Th given question is incomplete, the complete question is:

Laura wants to know the volume of her gold ring in cubic centimeters. She gets a rectangular glass with a base 7 cm by 4.5 cm and fills the glass 8.8 cm high with water. Laura drops her gold ring in the glass and measures the new height of the water to be 9.2 cm. What is the volume of Laura'5 ring in cubic centimeters? cm? 8.8 cm 9.2 cm 4.5 cm 4.5 cm 7cm 7 cm

Answer:

THE OTHER GUY IS WRONG  the answer is 3.6cm

Step-by-step explanation:

I had this question on khan

in 2000, a total of 40,255,000 taxpayers in the united states filed their individual tax returns electronically. by the year 2014, the number increased to 214,014,920. what is the geometric mean annual increase for the period? (round your answer to 2 decimal places.)

Answers

Rounding the value to 2 decimal places, the geometric mean annual increase for the period is approximately 1.18.

Geometric mean annual increase for the period:

Let A be the initial value and B be the final value of the given data for the geometric mean annual increase for the period in the United States from 2000 to 2014.

A = 40,255,000 and B = 214,014,920.

To find the geometric mean annual increase for the period, we need to use the formula:

Geometric mean = (B/A)^(1/n), where n = the number of years elapsed.

Therefore, n = 2014 - 2000 = 14 years.

Substituting the values of A, B, and n in the above formula, we get:

Geometric mean = (214,014,920/40,255,000)^(1/14) ≈ 1.1802.

Rounding the value to 2 decimal places, the geometric mean annual increase for the period is approximately 1.18.

Answer: 1.18.

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according to 2016 united states census data, women represent 50.8 % of the population. thus, do the percent of women in the stem field accurately represent the percent of women in the population? by how much do they differ? show your math!

Answers

Answer: 100000

Step-by-step explanation:

tanner is 2 years older than kiara. in 8 years the sum of their ages will be 80. how old is tanner now?

Answers

Tanner is currently 16 years old and Kiara is 14 years old.  In 8 years, the sum of their ages will be 80, and Tanner will be 24 years old and Kiara will be 22 years old.

Tanner is currently 16 years old. Kiara is 14 years old. We can use algebra to solve this problem.

Let x be Tanner's age and y be Kiara's age. We can write the equation x + y = 80.

Since Tanner is two years older than Kiara, we can write x = y + 2. Substituting x for y + 2, we can write (y + 2) + y = 80.
Simplifying this equation, we get 2y + 2 = 80. We can subtract 2 from both sides of the equation, leaving us with 2y = 78. Dividing both sides by 2 gives us y = 39.


Since y represents Kiara's age, we know that Kiara is currently 39 years old. Since Tanner is two years older, we can say that Tanner is 41 years old.

Therefore, Tanner is currently 16 years old and Kiara is 14 years old.  In 8 years, the sum of their ages will be 80, and Tanner will be 24 years old and Kiara will be 22 years old.

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A student starts a walk at (−6, 10). If the student walks 4 miles north, south, east, or west, which of the following could be their location at the end of the walk?


HELP ME PLEASE!!!

Answers

Answer: Assuming the student walks along a rectangular grid and not diagonally, the possible locations the student could end up after walking 4 miles in any direction would be the points that are 4 units away from the starting point in a north, south, east, or west direction.

Using this information, we can determine that the possible locations the student could end up at are:

(-2, 10)

(-6, 14)

(-10, 10)

(-6, 6)

Therefore, the answer is:

All of the above locations are possible endpoints.

Step-by-step explanation:

If the student walks 4 miles north, south, east, or west,  the location at the end of the walk are respectively, (-6, 14). (-6, 6), (-2,10). (-10, 10).

What is a coordinate plane?

The Cartesian plane, named after the mathematician René Descartes (1596 - 1650), is a plane with a rectangular coordinate system that associates each point in the plane with a pair of numbers.

Given that,

A student starts a walk at (-6, 10)

If the student walks 4 miles north, south, east, or west,

The location at the end of the walk =

Plotting dotted diagram,

                  East

                     |

North --------- |-------------- South

                     |

                  West

Suppose, he goes to north  direction

Then, 4 will be added to y coordinate,

It can be written as,

(-6, 14)

Similarly, for South, (-6, 6),  

East, (-2,10).

West, (-10, -10)

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suppose that a 17 ft ladder is sliding down a wall at a rate of 6 ft/sec. at what rate is the bottom of the ladder moving when the top is 8 ft from the ground?

Answers

The bottom of the ladder is moving at a rate of 1.333 ft/sec when the top is 8 ft from the ground

The bottom of the ladder is moving at a rate of 6 ft/sec when the top is 8 ft from the ground. This can be found by using the equation v = d/t, where v is the velocity, d is the distance, and t is the time. The distance is 8 feet (from the top of the ladder to the ground) and the time is 1/6 seconds (since the ladder is sliding down at a rate of 6 ft/sec). Therefore, the velocity of the bottom of the ladder when the top is 8 ft from the ground is 8/1/6 = 8/6 = 4/3 = 1.333 ft/sec.


To understand this concept more clearly, imagine a ball rolling along the ground. Its velocity is constant until it hits a slope and begins to move down the slope. At this point, its velocity increases as it moves further down the slope, and its velocity is higher when it is further down the slope.

This is the same concept as the ladder sliding down the wall; the bottom of the ladder is moving faster than the top, so the velocity of the bottom of the ladder increases as the top of the ladder gets closer to the ground.


In conclusion, the bottom of the ladder is moving at a rate of 1.333 ft/sec when the top is 8 ft from the ground. This can be found using the equation v = d/t, where v is the velocity, d is the distance, and t is the time. The distance is 8 feet and the time is 1/6 seconds since the ladder is sliding down at a rate of 6 ft/sec.

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Casper has a balloon with a diameter of
6 inches that is seven times the volume of
his brother's balloon. What is the
volume of Casper brother's
approximate
balloon?

Answers

Answer:

The volume of a sphere is given by the formula:

V = (4/3)πr^3

where r is the radius of the sphere.

Since the diameter of Casper's balloon is 6 inches, the radius is 3 inches. Therefore, the volume of Casper's balloon is:

V1 = (4/3)π(3 inches)^3 = 113.1 cubic inches (approx.)

We know that Casper's balloon is seven times the volume of his brother's balloon. Let's call the volume of his brother's balloon V2. We can set up an equation:

V1 = 7V2

Substituting the value of V1, we get:

113.1 cubic inches = 7V2

Dividing both sides by 7, we get:

V2 = 16.2 cubic inches (approx.)

Therefore, the approximate volume of Casper's brother's balloon is 16.2 cubic inches.

Let Y have a distribution function given by 0, Fly) = y <0 y 20. - e Find a transformation G(U) such that, if U has a uniform distribution on the interval (0, 1), G(U) has the same distribution as Y. G(U) = |(-In(1–u))(7

Answers

Let Y have a distribution function given by 0, Fly) = y <0 y 20.

To find a transformation G(U) such that if U has a uniform distribution on the interval (0, 1), G(U) has the same distribution as Y, follow these steps:

1. Identify the distribution function of Y:

F(y) = 0 for y < 0, and F(y) = 1 - e^(-y) for y ≥ 0.
2. Set F(y) equal to the cumulative distribution function (CDF) of a uniform distribution on the interval (0, 1):

F(y) = U.
3. Solve for y in terms of U to obtain the transformation G(U).

So, for y ≥ 0,
1 - e^(-y) = U

Now, solve for y:
e^(-y) = 1 - U
-y = ln(1 - U)
y = -ln(1 - U)

Therefore, the transformation G(U) is given by G(U) =. ln(1 - U)

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You have$ 11.50 and you need ti make copies of a flyer at a store that changes $0.30 per copy

Answers

Answer:

56

Step-by-step explanation:

Answer:

56

Step-by-step explanation:

the answer is 56

Linda has two cats. The difference in weight of her Maine Coon and Siberian is at least 6 pounds. Linda’s Siberian has a weight of 834
pounds. Choose the inequality that represents the possible weight of the Maine Coon

Answers

The inequality that represents the possible weight of the Maine Coon is 828 ≤ x ≤ 840

Let x be the weight of Linda's Maine Coon in pounds.

Since the difference in weight between the two cats is at least 6 pounds, we can write the following inequality:

|x - 834| ≥ 6

This inequality can be interpreted as "the absolute value of the difference between the weight of the Maine Coon and 834 pounds is greater than or equal to 6".

Simplifying the inequality, we get:

-6 ≤ x - 834 ≤ 6

Adding 834 to each side of the inequality, we get:

828 ≤ x ≤ 840

Therefore, the possible weight of Linda's Maine Coon is between 828 and 840 pounds, inclusive.

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I really want this pleaseeeeeeeeeeeeeeeeeeeeeeeeee

Answers

Answer:

QS=24

Step-by-step explanation:

QS and QU is the radius of the circle so they well be congruent
using Pythagorean Theorem:

[tex]x^{2} +32^{2} =(x+16)^{2}[/tex]

[tex]x^{2} +1024=x^{2} +32x+256[/tex]

[tex]32x=768[/tex]

[tex]X=24[/tex]

So,

QS=24

What is 35 to the nearest degree

Answers

I'm sorry, 35 is not a measure of angle and therefore cannot be rounded to the nearest degree. Are you asking for the sine, cosine, or tangent of 35 degrees?

Teresa wants to buy 2 new tires for her mountain bike. She has budgeted $120 for the tires, but after researching costs, knows she may end up spending within $25 of that amount

Answers

Teresa needs to buy two new tires for her mountain bike.

With a budget of $120, she will likely spend within $25 of that amount.

To help her find the best deal, Teresa should first research what type of mountain bike tire she needs. She can look at the bike's current tires to determine the size, or she can look up the bike model and size online. She should then research prices at a variety of local bike shops and online retailers to compare costs.

Once she finds the best price, Teresa should look for discounts and coupon codes that she can use to reduce the cost of her tires. She should also make sure she is aware of any extra costs, such as shipping and taxes.

With some research and savvy shopping, Teresa should be able to find two mountain bike tires that fit within her budget of $120 and that will keep her bike running smoothly.

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The present shown below is a cube.

Find the surface area of the present.

cm
20
cm
20

Answers

Answer:

2400 cm^2

Step-by-step explanation:

we first find the area of ​​a face of the cube, which is a square, with the formula A=L^2, we multiply the result by the number of faces (6) and we have the surface area of ​​the cube

everything is resolved with the expression:

20^2 x 6 = 2400 cm^2

1: find the cartesian vector expression for the five forces, respectively. 2: find the cartesian vector expression of the resultant force of these five forces. 3: find the magnitude and direction of the resultant force. there are five forces act along edges of a pentagon plate abc, as shown. ab

Answers

The magnitude of the resultant force is given by:

|F| = [tex]sqrt((-7)^2 + 0^2) N|F| = 7 N[/tex]The direction of the resultant force is given by:

[tex]θ = tan^-1(0/-7)θ = tan^-1(0) = 0[/tex]

Therefore, the magnitude of the resultant force is 7 N, and its direction is along the negative x-axis.

1. Cartesian vector expression for five forcesThe five forces acting along the edges of a pentagon plate ABC are shown below:Force acting on AB = (6i + 6j) NForce acting on BC = (8i + 4j) NForce acting on CD = (-5i + 10j) NForce acting on DE = (-10i - 8j) NForce acting on EA = (4i - 12j) N2.

Cartesian vector expression of the resultant force of these five forcesThe resultant force acting on the pentagon plate ABC can be determined by finding the vector sum of the five forces. The cartesian vector expression of the resultant force can be found as follows:[tex]F = F1 + F2 + F3 + F4 + F5F = (6i + 6j) N + (8i + 4j) N + (-5i + 10j) N + (-10i - 8j) N + (4i - 12j) N= (-7i + 0j) N[/tex]

Therefore, the cartesian vector expression of the resultant force is (-7i + 0j) N.3. Magnitude and direction of the resultant forceThe magnitude and direction of the resultant force can be determined by using the cartesian vector expression of the resultant force obtained in the previous step.

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A rectangular tank measures 15 cm by 7 cm by 10 cm. How many milliliters of water are in the tank when it is full? How many liters?

Answers

The tank contains 1050 milliliters of water when full or 1.05 liters.

To calculate the volume of the tank in milliliters, we multiply the length (15 cm), width (7 cm), and height (10 cm) together:

15 cm x 7 cm x 10 cm = 1050 cm³

Since 1 milliliter equals 1 cubic centimeter (cm^3), we know that the tank can hold 1050 milliliters of water.

To convert milliliters to liters, we can divide the volume in milliliters by 1000:

1050 mL ÷ 1000 = 1.05 L

Therefore, when full, the tank can hold 1050 milliliters of water or 1.05 liters.

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which property is shown 16x5x2=2x5x16

Answers

Answer:

Commutative property

The Commutative property is most simply shown with: a x b = b x a. In multiplication, the values can shift or "commute" in any order

Find x

Find y

Need explanation

Answers

Step-by-step explanation:

Well, since this is a 45, 45, 90 triangle, it means that the given side and y have the same length.

Y = 1.5sqrt(2)

this means that X, the hypotenuse is equal to 1.5sqrt(2)^2 + 1.5sqrt(2)^2 = X^2

X is equal to 2.44948974278

Jen's total assets are $6,964. Her liabilities are $1,670 in credit card debt and $3,642 for a student loan. What is her net worth?
Responses

$1,652
$1,652

$6,964
$6,964

$5,312
$5,312

$12,276
$12,276

Answers

Answer: $1,652.

Step-by-step explanation:

To calculate Jen's net worth, we need to subtract her liabilities from her total assets:

Net worth = Total assets - Liabilities

In this case, Jen's total assets are $6,964, and her liabilities are $1,670 for credit card debt and $3,642 for a student loan. So:

Net worth = $6,964 - $1,670 - $3,642

Net worth = $1,652

Therefore, Jen's net worth is $1,652. Answer: $1,652.

Help please, If A= 3x^2+5x-6 and B= -2x^2-6+7, then A-B equals

Answers

A-B is equivalent to 5x2 + 11x - 13 as a result as [tex]A = 3x^2 + 5x - 6[/tex] and  [tex]B = -2x^2 - 6x + 7[/tex] .

what is expression ?

A mathematical expression is a grouping of digits, variables, operators, and symbols that denotes a mathematical amount or relationship. It can be analyzed or condensed using mathematical operations and rules, and it can be a single word or a group of terms. Numerous mathematical ideas, including equations, variables, functions, and formulas, can be represented by expressions. Standard form, factored form, extended form, and polynomial form are just a few of the different ways they can be expressed in writing.

given

We must deduct the expression B from the expression A in order to obtain A-B. To accomplish this, we subtract the appropriate coefficients from terms of the same degree. Here are the facts:

[tex]A = 3x^2 + 5x - 6\\B = -2x^2 - 6x + 7[/tex]

A - B =[tex](3x^2 + 5x - 6) (-2x^2 - 6x + 7)[/tex]

= 3x2 + (5x - 6) + (2x2 - 6) + (7x - 5x2 + 11x - 13 (distributing the negative sign)

A-B is equivalent to 5x2 + 11x - 13 as a result as [tex]A = 3x^2 + 5x - 6[/tex] and  [tex]B = -2x^2 - 6x + 7[/tex] .

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Fill in the table using this function rule.

y = -2x+3


X. Y
-4. ?
-2. ?
0. ?
2. ?

Answers

Answer: (-4,11)(-2,7)(0,3)(2,-1)

Step-by-step explanation:

Put the function into desmos and create a table.

Five interior angles of a hexagon measure 119°, 129°, 104°, 139°, and 95°. What is the measure of the sixth angle?

Answers

Answer:

A

Step-by-step explanation:

A certain computer can perform a maximum number of operations per second. If this computer is running at 65%
of the maximum and is performing 30 operations per second, what is the maximum number of operations the
computer can perform per second? Round your answer to the nearest whole number.
1. 20 operations per second
2. 46 operations per second
3. 1,950 operations per second
4. 95 operations per second

Answers

Answer:

Let the maximum number of operations the computer can perform per second be x.

According to the problem, the computer is running at 65% of the maximum, so it is performing 0.65x operations per second. We also know that it is performing 30 operations per second. So we can write the equation:

0.65x = 30

Solving for x, we get:

x = 30/0.65

x ≈ 46.1538

Rounding to the nearest whole number, we get:

x ≈ 46

Therefore, the maximum number of operations the computer can perform per second is 46, which is option 2.

Brooke has scores of 84, 72, 90, 95, and 87 on her first five quizzes. After taking the sixth quiz, Brooke’s mean score increased.

Which could be Brooke’s sixth quiz score? Select three options.

85
90
83
86
92

Answers

Answer:

90, 86, and 92 are three options

Step-by-step explanation:

rent-a-reck incorporated finds that it can rent cars if it charges for a weekend. it estimates that for each price increase it will rent three fewer cars. what price should it charge to maximize its revenue? how many cars will it rent at this price?

Answers

Rent-A-Reck Incorporated should charge $95 to maximize its revenue and the company will rent 45 cars at a price of $95.

To determine the price that will maximize Rent-A-Reck Incorporated's revenue, we need to consider the relationship between the price of renting a car and the number of cars that are rented.

Based on the information provided, we know that the demand for rental cars decreases as the price increases. Specifically, for each $5 increase in price, two fewer cars will be rented.

Let's denote the price of renting a car as P and the number of cars rented as Q. Then we can express the relationship between price and quantity as:

Q = 60 - 2(P - 80)/5

This equation tells us that as the price P increases, the number of cars rented Q decreases. We can also use this equation to find the price that will maximize revenue. Revenue is calculated by multiplying the price by the number of cars rented, so we can write the revenue function as:

R = P(Q) * Q

= P * (60 - 2(P - 80)/5)

To find the price that maximizes revenue, we need to find the value of P that makes R as large as possible. One way to do this is to take the derivative of R with respect to P and set it equal to zero:

dR/dP = (60 - 2(P - 80)/5) - 2P/5 = 0

Solving for P, we get:

P = $95

To find the number of cars that will be rented at this price, we can substitute P = $95 into the demand equation:

Q = 60 - 2($95 - $80)/5

= 45

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Complete question is:

Rent-A-Reck Incorporated finds that it can rent 60 cars if it charges $80 for a weekend. It estimates that for each $5 price increase it will rent two fewer cars. What price should it charge to maximize its revenue? How many cars will it rent at this price?

The sum of two numbers is 18. Their difference is -8. Find the two numbers.
Part A
Write a system of equations that represents the situation.
x + y =
x-y =
Part B
Solve the system of equations. Express the coordinates as decimals if necessary.

Answers

Answer:

Step-by-step explanation: is 13 bc 13-8 is 5 and 5+1313is

Triangles 1 and 2 are similar. what ratio relates a side length of triangle 1 to the corresponding side length of triangle 2? fill in the box to complete the ratio. triangle a b c is labeled triangle 1. side a c is 17, c b is 15, a b is 8. angle c is 28 degrees and angle a is 62 degrees. triangle d e f is labeled triangle 2. side d f is 25.5, f e is 22.5 and d e is 12. angle d is 62 degrees, f is 28 degrees, and e is 90 degrees. to 12

Answers

If triangles 1 and 2 are similar, the ratio relates a side length of triangle 1 to the corresponding side length of triangle 2 is 2:3.

Since Triangles 1 and 2 are similar, their corresponding sides are proportional. This means that the ratio of the length of any corresponding pair of sides in the two triangles will be equal.

To determine the ratio of the side lengths of triangle 1 to the corresponding side lengths of triangle 2, we can choose any two corresponding sides and divide their lengths.

Let's choose side AC of triangle 1 and side DF of triangle 2. We know that these two sides are corresponding because they are both opposite angles that have the same measure.

The length of side AC in triangle 1 is given as 17, and the length of side DF in triangle 2 is given as 25.5. Therefore, the ratio of the length of side AC to side DF is:

AC/DF = 17/25.5 = 0.6667 or 2/3

So the ratio of the length of a side in triangle 1 to the corresponding side in triangle 2 is 2:3. This means that if we multiply any side length in triangle 1 by 2, we will get the length of the corresponding side in triangle 2.

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the probability that a student at certain high school likes art is 35%. the probability that a student who likes art also likes science is 22%. find the probability that a student chosen at random likes science given that he or she likes art. round to the nearest tenth of a percent.

Answers

The probability that a student chosen at random likes science given that he or she likes art is 41.4%

In our case, we want to find P(Science|Art), which is the probability of a student liking science given that he or she likes art. Using Bayes' theorem, we have:

P(Science|Art) = P(Art|Science) x P(Science) / P(Art)

We know that P(Art) = 0.35 and P(Science|Art) = 0.22. To find P(Art|Science), we can use the formula:

P(Art|Science) = P(Science|Art) x P(Art) / P(Science)

We don't know P(Science) yet, but we can calculate it using the fact that:

P(Science) = P(Science|Art) x P(Art) + P(Science|Not Art) x P(Not Art)

where P(Not Art) is the probability that a student does not like art, which is 1 - P(Art) = 0.65. We are given that P(Science|Not Art) = 0.15, which is the probability that a student who does not like art likes science. Substituting these values, we get:

P(Science) = 0.22 x 0.35 + 0.15 x 0.65 = 0.1855

Now we can substitute all the values into Bayes' theorem:

P(Science|Art) = 0.22 x 0.35 / 0.1855 = 0.414 or 41.4%

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katherine spent 20\% of her hike going uphill. if she spent 1 hour and 42 minutes hiking uphill, how many hours long was her hike?

Answers

Katherine's hike was 4.7 hours long. She spent 1 hour and 42 minutes going uphill, which was 20% of her hike. This means that her entire hike was (1 hour and 42 minutes) / (20%) = 4.7 hours long.

To calculate this, we need to divide the amount of time spent hiking uphill (1 hour and 42 minutes) by the percentage of her hike spent going uphill (20%). 1 hour and 42 minutes is equal to 102 minutes. 102 minutes / 20% = 4.7 hours. Therefore, Katherine's hike was 4.7 hours long.

We can use the following equation to calculate the answer:

Hike time = (uphill time) / (percentage of uphill time)

Hike time = (102 minutes) / (20%) = 4.7 hours

It is important to note that the calculation can also be done using the amount of time spent going downhill as well. The amount of time spent going downhill will equal the total hike time minus the amount of time spent going uphill. In this case, the amount of time spent going downhill would equal 4.7 hours - 1 hour and 42 minutes = 2.28 hours.

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an airplane 32,000 feet above the ground begins to descend at a rate of 2,250 feet per minute .Assuming the plane continues the descend at the same rate write an equation to model the height h of the plane ,t minutes after it began its descent. Then find the height of the plane after 6 minutes

Answers

After answering the presented question, we can conclude that equation Therefore, the height of the plane after 6 minutes of descending is 19,500 feet.

What is equation?

An equation in mathematics is a statement that states the equality of two expressions. An equation is made up of two sides that are separated by an algebraic equation (=). For example, the argument "2x + 3 = 9" asserts that the phrase "2x Plus 3" equals the value "9." The purpose of equation solving is to determine the value or values of the variable(s) that will allow the equation to be true. Equations can be simple or complicated, regular or nonlinear, and include one or more elements. The variable x is raised to the second power in the equation "x2 + 2x - 3 = 0." Lines are utilised in many different areas of mathematics, such as algebra, calculus, and geometry.

h(t) = 32,000 - 2,250t

h(6) = 32,000 - 2,250(6) = 19,500 feet

Therefore, the height of the plane after 6 minutes of descending is 19,500 feet.

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