a glass jar contain 1 red 3 green 2 blue and 4 yellow marbles.if single marble is chosen at random from the jar what is the probability that it is yellow or green?

The total cost of the shoes, without tax, after the 5% off sale and the $10 off coupon, is $73.125.

To calculate the total cost of the shoes after the discount and coupon, we follow these steps:

Step 1: Calculate the discount amount.

Discount amount = Regular price * (Discount percentage / 100)

Discount amount = $87.50 * (5 / 100)

Discount amount = $87.50 * 0.05

Discount amount = $4.375

tep 2: Subtract the discount amount from the regular price.

Price after discount = Regular price - Discount amount

Price after discount = $87.50 - $4.375

Price after discount = $83.125

Step 3: Subtract the coupon amount from the price after discount.

Total cost = Price after discount - Coupon amount

Total cost = $83.125 - $10

Total cost = $73.125

Therefore, the total cost of the shoes, without tax, after the 5% off sale and the $10 off coupon, is $73.125.

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The missing values in the triangle are:

∠B = 90°

AB =  20.98

CB = 16.99

First, remember that the sum of the interior angles of any triangle is always equal to 180°, then we can write:

51 + 39 + ∠B = 180

∠B = 180 - 51 - 39 = 90

So we have a right triangle.

Now, to find the values of AB and CB, we can use trigonometric relations, we know that teh hypotenuse is 27 units, then we can use:

cos(51°) = CB/27

27*cos(51°) = CB = 16.99

And:

cos(39°) = AB/27

27*cos(39°) = AB = 20.98

These are the missing values.

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(a) The location of the baseball field using rectangular coordinates is (-3,32).

(b) To find the location of the field using polar coordinates, we need to first find the distance r from the origin to the point (-3,32). Using the Pythagorean theorem, we have:

r = sqrt((-3)^2 + 32^2) = 32.28

Next, we need to find the angle theta between the positive x-axis and the line connecting the origin to the point (-3,32). Since the point is in the third quadrant, we know that theta is between 180 and 270 degrees. We can use the tangent function to find theta:

tan(theta) = (opposite side)/(adjacent side) = (-32)/(3)

theta = arctan(-32/3) = 276.87 degrees

Therefore, the location of the baseball field using polar coordinates is (32.28,276.87).
(c) The location of the different ballpark using rectangular coordinates is (-2,-28).
(d) To find the location of the different ballpark using polar coordinates, we need to first find the distance r from the origin to the point (-2,-28). Using the Pythagorean theorem, we have:

r = sqrt((-2)^2 + (-28)^2) = 28.06

Next, we need to find the angle theta between the positive x-axis and the line connecting the origin to the point (-2,-28). Since the point is in the fourth quadrant, we know that theta is between 270 and 360 degrees. We can use the tangent function to find theta:

tan(theta) = (opposite side)/(adjacent side) = (-28)/(-2) = 14

theta = arctan(14) = 83.66 degrees

Therefore, the location of the different ballpark using polar coordinates is (28.06,83.66).

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1. 1430 people were surveyed.

2. 150 people like fish but not meat.

3. 330 people are vegetarians.

1. 650 (total who like meat) - 250 (who like meat but not fish) = 400 (who like both meat and fish)

Now, we know that 550 people don't like meat, and 480 people don't like fish. Since 400 people like both meat and fish, the total number of people surveyed is:

550 (don't like meat) + 480 (don't like fish) + 400 (like both meat and fish) = 1430

So, 1430 people were surveyed.

2. 550 (don't like meat) - 400 (like both meat and fish) = 150

So, 150 people like fish but not meat.

3. 480 (don't like fish) - 150 (like fish but not meat) = 330

So, 330 people are vegetarians.

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The Taylor series for f(x)=ex about x=2 is given by ∑n=0[infinity]cn(x−2)n where cn = fⁿ(2)/n! = e²/2! e²/3! ... e²/n!.

The Taylor series is a way to represent a function as an infinite sum of terms that involve the function's derivatives evaluated at a specific point.

In this case, we want to find the Taylor series for f(x)=ex about x=2. To do this, we first need to find the derivatives of f(x) at x=2.

We have fⁿ(x) = ex for all n, so fⁿ(2) = e² for all n. We can then use this to find the coefficients cn in the Taylor series.

We have cn = fⁿ(2)/n! = e²/2! e²/3! ... e²/n!.

We can then substitute these coefficients into the Taylor series to get ∑n=0[infinity]cn(x−2)n = ∑n=0[infinity] e²/2! e²/3! ... e²/n!(x−2)n, which is the Taylor series for f(x)=ex about x=2.

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Answer: (-8, 8).

Step-by-step explanation:

Answer:

Step-by-step explanation:

To find the Maclaurin expansion of f(x) = -e^x - sin(x), we can use the Maclaurin series of e^x and sin(x) and combine them with appropriate coefficients.

The Maclaurin series of e^x is:

e^x = 1 + x + x^2/2! + x^3/3! + ...

And the Maclaurin series of sin(x) is:

sin(x) = x - x^3/3! + x^5/5! - ...

Using these series, we can write the Maclaurin expansion of f(x) as:

f(x) = -e^x - sin(x) = -1 - x - x^2/2! - x^3/3! - ... - (x - x^3/3! + x^5/5! - ...)

Simplifying this expression, we get:

f(x) = -1 - 2x - 5x^2/2! - 19x^3/3! - 87x^4/4! - ...

Therefore, the first five nonzero terms of the Maclaurin expansion of f(x) are:

f(x) = -1 - 2x - 5x^2/2! - 19x^3/3! - 87x^4/4! + O(x^5)

This means that for small values of x, f(x) can be approximated by the polynomial -1 - 2x - 5x^2/2! - 19x^3/3! - 87x^4/4!, which becomes more accurate as more terms are added. The term O(x^5) represents the error in this approximation and means that the actual value of f(x) is within a certain range of this polynomial for values of x close to zero.

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Answer:

A

Step-by-step explanation:

[tex]\lim_{x \to -2} \frac{x^{2}-4 }{x+2} \\\lim_{x \to -2} \frac{(x+2)(x-2)}{x+2}\\ \lim_{x \to -2} x-2\\= -4[/tex]

Answer:

First answer choice

[tex]- 4[/tex]

Step-by-step explanation:

[tex]\lim _{x\to \:-2}\left(\dfrac{x^2-4}{x+2}\right)\\\\\\\mathrm{Simplify}\:\dfrac{x^2-4}{x+2}\\\\\\\mathrm{Factor}\:x^2-4:\quad (x + 2)(x - 2)\\\\\lim _{x\to \:-2}\left(\dfrac{x^2-4}{x+2}\right) \\\\= \lim _{x\to \:-2}\left(\dfrac{x+2)(x-2)}{x+2}\right)[/tex]

The x+2 common factor cancels out

[tex]= \lim _{x\to \:-2}\left(x-2\right)\\\\\text{Plug in the value x= -2}\\\\= -2 - 2\\= -4[/tex]

The density of the cube is 0.08343 grams per cubic centimeter

The side of cube is 8 inches

and, We know that :

The formula of Density is :

D = mass/ volume

The weight of a cube is 700 gm.

First, we convert the side inches into cm

For conversion, We have to multiply by 2.54

=> 8 × 2.54

=> 20.32cm

Now, For finding the density

We have to calculate the volume of cube :

Volume of cube = [tex](side)^3[/tex]

Volume of cube = 8390.18[tex]cm^3[/tex]

And, plug all the values in the formula of density.

Density = 700/8390.18[tex]cm^3[/tex]

Density = 0.08343 grams per cubic centimeter

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The most worrying factor for the validity of the 95% confidence interval in this case is option C) the presence of a clear outlier in the data for the average.

Let's consider each option and assess which one would cause the most worry about the validity of a 95% confidence interval calculated using the given information (mean estimate = $45,000 and standard deviation s = $15,000).

A) A mild right-skew in the stemplot indicates a slightly non-normal distribution of the data. However, since the sample size is 25, the Central Limit Theorem states that the sampling distribution of the mean should be approximately normal. So, a mild right-skew shouldn't be a significant concern for the validity of the 95% confidence interval.

B) Not knowing the population standard deviation (σ) can be a concern. However, when the sample size is large enough (which is the case here with 25 respondents), using the sample standard deviation (s) as an estimate of σ is acceptable, and the confidence interval calculation can still be valid.

C) A clear outlier in the data can greatly influence the mean estimate and the standard deviation, which may result in an inaccurate confidence interval. Outliers can cause the interval to be wider or narrower than it should be, affecting the validity of the 95% confidence interval.

Given these explanations, the most worrying factor for the validity of the 95% confidence interval in this case is option C) the presence of a clear outlier in the data. This outlier can significantly affect the accuracy and reliability of the confidence interval calculation.

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To find the function f, we need to integrate f'(x) with respect to x. Thus, we have found the function f with the given derivative f'(x) and initial condition f(9) = 67.

f'(x) = (1/3)x

Integrating both sides with respect to x, we get:

f(x) = (1/3) * (x^2/2) + C

where C is the constant of integration. To find the value of C, we use the given initial condition that f(9) = 67:

f(9) = (1/3) * (9^2/2) + C = 67

Simplifying the equation, we get:

C = 67 - (1/3) * (81/2) = 67 - 13.5 = 53.5

Therefore, the function f is:

f(x) = (1/3) * (x^2/2) + 53.5

Thus, we have found the function f with the given derivative f'(x) and initial condition f(9) = 67.

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Answer:

The correct table represents the situation is shown in Table J.

Step-by-step explanation:

Table J shows the appropriate chart that most accurately depicts the circumstance.

What is a line equation?

The line's equation in the form of a slope through the points

the formula for (x1, y1) and (x2, y2) with slope m is;

⇒ y - y₁ = m (x - x₁)

In this case, m = (y2 - y1) / (x2 - x1)

Knowing that;

60 gallons of water can be found in a typical bathtub.

12 gallons per minute are also drained from a full bathtub.

From table J, now

is the rate of change,

⇒ (24 - 12) / (2 - 1)

⇒ 12 / 1

more than 12 gallons per minute

In the given circumstance, which.

Thus, Table J is the appropriate table that most accurately depicts the situation.

Answer:

1/2

Step-by-step explanation:

We can use the unit circle and reference angle to find the exact value of sin(-5pi/6).

Starting from the positive x-axis (θ=0), we can rotate clockwise by 5pi/6 radians to get to the terminal side of -5pi/6.

The reference angle is pi/6 radians, which is the angle between the terminal side and the x-axis if we rotate counterclockwise instead.

At this angle, sin is negative and equal to -1/2, since the opposite side has length 1 and the hypotenuse has length 2.

Since sin is an odd function, we have sin(-5pi/6) = -sin(5pi/6) = -(-1/2) = 1/2.

Therefore, the exact value of sin(-5pi/6) is 1/2.

The volume of the pyramid is 1280 cubic units, and the surface area is 800 square units.

To find the volume and surface area of a pyramid, we can use the following formulas:

Volume of a pyramid = (1/3) · base area · height

Surface area of a pyramid = base area + (1/2) · perimeter · slant height

Given that the base of the pyramid is a square with a side length of 16, the base area can be calculated as:

Base area = side length² = 16² = 256 square units

The height of the pyramid is given as 15, and the slant height is given as 17.

Now, let's calculate the volume of the pyramid:

Volume = (1/3) · base area · height

Volume = (1/3) · 256 · 15

Volume = 1280 cubic units

Next, let's calculate the surface area of the pyramid:

Perimeter of the base = 4 · side length = 4 · 16 = 64 units

Surface area = base area + (1/2) · perimeter · slant height

Surface area = 256 + (1/2) · 64 · 17

Surface area = 256 + 544

Surface area = 800 square units

Therefore, the volume of the pyramid is 1280 cubic units, and the surface area is 800 square units.

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The largest diameter particle (in microns) that will pass through the filter is given as follows:

0.756 microns.

The z-score of a measure X of a normally distributed variable that has mean represented by [tex]\mu[/tex] and standard deviation represented by [tex]\sigma[/tex] is obtained by the equation presented as follows:

[tex]Z = \frac{X - \mu}{\sigma}[/tex]

The mean and the standard deviation for this problem are given as follows:

[tex]\mu = 0.5, \sigma = 0.2[/tex]

The largest diameter is the 90th percentile, which is X when Z = 1.28, as 1.28 has a p-value of 0.9, hence:

1.28 = (X - 0.5)/0.2

X - 0.5 = 0.2 x 1.28

X = 0.756 microns.

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The expanded total sales for 200 plums, each weighing 80 grams, at a price of $3.27 per plum is $52.32.

We can calculate the total weight of the plums as follows:

Total weight of plums = Weight per plum * Number of plums

Total weight of plums = 80 grams * 200 plums

we need to convert the total weight from grams to kilograms since the price is given per plum. There are 1000 grams in a kilogram, so:

Total weight of plums (in kilograms) = (Total weight of plums in grams) / 1000

Total sales = Total weight of plums (in kilograms) * Price per plum

Let's plug in the values and calculate the total sales:

Total weight of plums = 80 grams * 200 plums = 16,000 grams

Total weight of plums (in kilograms) = 16,000 grams / 1000 = 16 kilograms

Price per plum = $3.27

Total sales = 16 kilograms * $3.27 = $52.32

Therefore, the expanded total sales for 200 plums, each weighing 80 grams, at a price of $3.27 per plum is $52.32.

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The length of the side JL is 55 units.

Given that are two similar triangles, Δ LKJ and Δ TUV, we need to find the missing length,

TU = 14

TL = 22

JL = ?

KL = 35

so,

According to the definition of similar triangles,

Triangles with the same shape but different sizes are known as similar triangles.

Two triangles are said to be similar if their corresponding sides are proportionate and their corresponding angles are congruent.

In other words, two triangles are comparable if they can be changed into one another using a combination of rotations, translations, and uniform scaling (enlarging or decreasing).

TU / TV = KL / JL

14 / 22 = 35 / ?

14 x ? = 22 x 35

? = 55

Hence the length of the side JL is 55 units.

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Answer:

7 - 3x

Step-by-step explanation:

Product would cause the 3 and x to combine.

Answer:

7 - 3x

Step-by-step explanation:

the product , multiplication of 3 and x = 3 × x = 3x

now subtract this product from 7 to obtain

7 - 3x

For any n ≥ 1, the factorial function, denoted by n!, is the product of all the positive integers through n, it is proved that for n ≥ 4, n! ≥ 2n.

To prove this statement, we can use mathematical induction. For the base case, n = 4, we have 4! = 24 and 2^4 = 16. Since 24 > 16, the statement holds for n = 4.

Now suppose the statement holds for some integer k ≥ 4, that is, k! ≥ 2k. We need to show that the statement holds for k+1. We have:

(k+1)! = (k+1)k!

≥ (k+1)2k (by the induction hypothesis)

≥ 2·2k (since k+1 > 2 for k ≥ 4)

= 2k+1.

Therefore, the statement holds for k+1. By the principle of mathematical induction, the statement holds for all n ≥ 4. Therefore, we have proved that n! ≥ 2n for n ≥ 4.

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The length of v is given as follows:

v = 267.1 cm.

The law of sines is used in the context of this problem as we have two sides and two opposite angles, hence it is the most straightforward way to relate the side lengths.

Each side length is related with the sine of the opposite angle as follows:

sin(A)/a = sin(B)/b = sin(C)/c.

The relation for this problem is given as follows:

sin(26º)/v = sin(80º)/600

Hence we apply cross multiplication to obtain the length v is obtained as follows:

sin(26º)/v = sin(80º)/600

v = 600 x sine of 26 degrees/sine of 80 degrees

v = 267.1 cm.

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Thus, the velocity of money in would be 3.5 .

The velocity of money is a measure of the rate at which money changes hands in an economy. It is calculated by dividing the nominal GDP by the money supply.

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Over the last half-century, time-use data has shown that married American women have significantly reduced their housework time, cutting it roughly in half.

This change can be attributed to various factors such as advancements in home appliances, shifting gender roles, and increased participation of women in the workforce. On the other hand, men have gradually increased their contributions to housework during this period.
This shift in housework responsibilities can be attributed to societal changes that promote a more equitable distribution of domestic tasks between partners. As gender norms have evolved, men are increasingly taking on roles that were once predominantly associated with women, leading to a more balanced approach to housework within households. Additionally, the rise in dual-income families has necessitated a more equal division of domestic responsibilities.
In summary, over the past 50 years, married American women have seen a considerable decrease in housework time, while men have increased their contributions. This change reflects evolving gender roles and societal expectations, promoting a more equal division of labor within households.

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Answer:

length = 10 in.

Step-by-step explanation:

volume = 400 in.³

height = 5 in.

width = 8 in.

volume = length × width × height

V = LWH

400 = L × 8 × 5

400 = 40L

40L = 400

L = 400/40

L = 10

Answer: length = 10 in.

There is no requirement for supplemental oxygen.

All 20 occupants can fly without oxygen supply.

As the altitude increases, the atmospheric pressure decreases, which in turn reduces the partial pressure of oxygen in the air. This reduction in oxygen availability can cause hypoxia, which can lead to impaired judgment, vision, and coordination, and can be fatal in extreme cases.

The calculation of oxygen requirements can involve estimating the total oxygen consumption based on the number of occupants, their age, and their physical condition, and then determining the appropriate type and quantity of oxygen delivery systems to be carried on board the aircraft.

Here we have

An unpressurized aircraft with 20 occupants other than the pilots will be cruising at 14,000 feet msl for 25 minutes.

According to the Federal Aviation Regulations, if an aircraft is flying at an altitude above 12,500 feet MSL for more than 30 minutes,

then oxygen must be supplied to the occupants if:

The cabin pressure altitude exceeds 14,000 feet MSL, or

The cabin pressure altitude exceeds 15,000 feet MSL for any period of time.

In this case, the aircraft is flying at 14,000 feet MSL for 25 minutes, which is less than 30 minutes.

Therefore,

There is no requirement for supplemental oxygen.

All 20 occupants can fly without oxygen supply.

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Answer:

"Then I stopped the machine, and saw about me again the old familiar laboratory, my tools, my appliances just as I had left them. I got off the thing very shakily and sat down upon my bench. For several minutes I trembled violently. Then I became calmer. Around me was my old workshop again, exactly as it had been. I might have slept there, and the whole thing have been a dream.

Step-by-step explanation:

The simplified rational expressions are given as follows:

The first rational expression is given as follows:

[tex]\sqrt[5]{288p^7}[/tex]

The number 288 can be simplified as follows:

[tex]288 = 2^5 \times 3^2[/tex]

[tex]p^7[/tex], can be simplified as [tex]p^7 = p^5 \times p^2[/tex], hence the simplified expression is given as follows:

[tex]\sqrt[5]{2^5 \times 3^2 \times p^5 \times p^2} = 2p\sqrt[5]{9p^2}[/tex]

(as we simplify the exponents of 5 with the power)

The second expression is given as follows:

[tex](216r^{9})^{\frac{1}{3}}[/tex]

We have that 216 = 6³, hence we can apply the power of power rule to obtain the simplified expression as follows:

Hence the simplified expression is of:

[tex](216r^{9})^{\frac{1}{3}} = 6r^3[/tex]

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In the long run, perfectly competitive firms aim to produce at a level of output where their marginal cost (MC) is equal to the market price (P).

This is because in a perfectly competitive market, there are many firms competing with each other, and they cannot charge a price higher than the market price. Therefore, firms must produce at a level where their MC equals P in order to maximize profits.
Therefore, the answer to the question is that perfectly competitive firms produce a level of output such that P = MC. This is because the other options, P = minimum of AC and P > MC, do not accurately reflect the behavior of perfectly competitive firms. In a perfectly competitive market, firms cannot charge a price higher than the market price, so P will not be greater than MC. Additionally, P will not be equal to the minimum of AC because in a perfectly competitive market, there are no barriers to entry, so firms cannot earn economic profits in the long run. Therefore, they must produce at a level where P = MC to break even in the long run.

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Answer:

Step-by-step explanation:

b .33

The length of curve is approximately 6.511. Thus, the correct option is 6.511.

To find the length of the curve defined by the parametric equations x(t) = t^2 - 2t and y(t) = t^3 - 4t for 0 ≤ t ≤ 2, we need to use the arc length formula for parametric equations. The formula is:

Length = ∫(√((dx/dt)^2 + (dy/dt)^2)) dt, where the integral is evaluated from the lower limit to the upper limit.

First, find the derivatives dx/dt and dy/dt:
dx/dt = 2t - 2
dy/dt = 3t^2 - 4

Next, square and sum these derivatives:
(dx/dt)^2 + (dy/dt)^2 = (2t - 2)^2 + (3t^2 - 4)^2

Now, find the square root of this expression:
√((2t - 2)^2 + (3t^2 - 4)^2)

Finally, evaluate the integral of this expression from t = 0 to t = 2:
Length = ∫(√((2t - 2)^2 + (3t^2 - 4)^2)) dt, from 0 to 2

Using a calculator or numerical integration methods, the length of the curve is approximately 6.511. Therefore, the correct option is 6.511.

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Answer:

0.18

Step-by-step explanation: