The crank AB is rotating with a
constant angular velocity of =4 rad/s. Determine the angular velocity of the
connecting rod CD at the instant angle =30

Answer:

$21.78

Step-by-step explanation:

2.79 X 5 = 13.95

13.95 + 7.83 = 21.78

Answer:

The area is 12.57, rounded to the nearest then is 13.

Step-by-step explanation:

A=πr2=π·22≈12.56637

The probability that the sample contains exactly two defective parts from a production process with a 6% defect rate is 0.0299. Option B is answer

To find the probability, we can use the binomial probability formula. The formula is P(X=k) = (n C k) * (p^k) * ((1-p)^(n-k)), where n is the sample size, k is the number of successes (defective parts), p is the probability of success (defect rate), and (n C k) represents the combination formula.

In this case, n = 5 (sample size), k = 2 (number of defective parts), and p = 0.06 (probability of a part being defective). Plugging these values into the formula, we get P(X=2) = (5 C 2) * (0.06^2) * ((1-0.06)^(5-2)) = 10 * 0.0036 * 0.8464 = 0.0299.

Therefore, the probability that the sample contains exactly two defective parts is 0.0299 (Option B).

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Answer:

The greatest negative integer is the number one less than 0 and the smallest positive integer is the number one greater than 0.

Step-by-step explanation:

Answer:

150 square inches

Step-by-step explanation:

The formula is A=2(wl+hl+hw)

Plug in the values.

2(9+33+33)

Evaluate.

=150

(Assuming both the length and width is 3)

The twelve thrones of Olympus are occupied by the major gods and goddesses in Greek mythology, including Zeus, Hera, Poseidon, Demeter, Athena, Apollo, Artemis, Ares, Aphrodite, Hephaestus, Hermes, and Dionysus. However, there are two gods who are not given a place on the throne - Hades and Hestia.

Hades, the god of the underworld, is not included in the twelve thrones because he rules over the dead in the underworld. As a result, he does not need a place on Olympus. Hestia, the goddess of the hearth, voluntarily gave up her seat to Dionysus, as she preferred to live a peaceful and uneventful life on earth. She is regarded as one of the "lesser" gods but still holds great importance in Greek mythology, as she is responsible for the protection of the home and family.

Overall, while the 14 gods and goddesses play important roles in Greek mythology, only twelve are given seats on Olympus. Hades and Hestia have their own roles to play and, for different reasons, do not have a place on the thrones.

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Rounding to the nearest whole number, we would expect to wait between 39 and 53 minutes about 29 times out of 29 visits using standard deviation.

We can use the normal distribution to find the probability of waiting between 39 and 53 minutes for each visit, and then multiply that probability by the number of visits to get the expected number of times waiting in that range.

First, we need to standardize the range of waiting times using the formula:

z = (x - mu) / sigma

where x is the waiting time, mu is the mean waiting time, sigma is the standard deviation, and z is the corresponding z-score.

For the lower limit of 39 minutes:

z1 = (39 - 46) / 3 = -2.33

For the upper limit of 53 minutes:

z2 = (53 - 46) / 3 = 2.33

Next, we can use a standard normal distribution table or calculator to find the probability of waiting between -2.33 and 2.33, which is approximately 0.9902.

Therefore, the expected number of times waiting between 39 and 53 minutes out of 29 visits is:

Expected number = 0.9902 * 29 = 28.68

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The expected gain or loss from playing the game 15 times is -$75.00, indicating an expected loss of $75.00.

To determine the expected gain or loss from playing the game 15 times, we need to calculate the expected value.

The probability of getting three tails (winning) in a single coin toss is (1/2) * (1/2) * (1/2) = 1/8, since each coin toss is independent and has a 1/2 probability of landing tails.

The probability of losing in a single coin toss is 1 - 1/8 = 7/8.

If we play the game 15 times, the expected number of wins is (1/8) * 15 = 15/8, and the expected number of losses is (7/8) * 15 = 105/8.

The amount gained from winning is $10, and the amount lost from losing is $2.

Therefore, the expected gain or loss can be calculated as follows:

Expected gain or loss = (Expected number of wins * Amount gained) - (Expected number of losses * Amount lost)

= (15/8 * $10) - (105/8 * $2)

Simplifying this expression, we find:

Expected gain or loss = $187.50 - $262.50

= -$75.00

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Step-by-step explanation:

1:3    means you need to find 1 /(1+3) = 1/4 th of the way to 5,8 from -2,0

x:   from -2 to +5 is 7 units     1/4th * 7 = 7 /4   added to -2

              is  - 1/4

y: from 0 to 8    is 8 units   1/4 th * 8  = 2 added to 0   is   2

(-1/4 , 2)

The answer is that there are 32 ways to place two indistinguishable kings on an empty chess board so that they do not attack each other.

To answer this question, we need to understand the basic rules of chess. A king can move one square in any direction, including diagonally. So, to ensure that two kings are not attacking each other, we need to place them on two squares that are not adjacent to each other, and not on the same diagonal line.
There are 64 squares on a chess board, and the first king can be placed on any of those squares. The second king, however, has fewer options because it cannot be placed on the same row, column or diagonal as the first king.
The number of ways to place the second king will depend on where the first king was placed. For example, if the first king was placed in one of the corners, then the second king will have only two possible squares to be placed in. On the other hand, if the first king was placed in the center of the board, then the second king will have fewer options.
Overall, there are 32 possible squares for the second king to be placed in, which means that there are 32 possible ways to place two indistinguishable kings on an empty chess board so that they do not attack each other.
In summary, the answer is that there are 32 ways to place two indistinguishable kings on an empty chess board so that they do not attack each other.

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Answer:Yes, because ∛84 = ∛(2 × 2 × 3 × 7) and it cannot be expressed in the form of p/q where q ≠ 0. Therefore, the value of the cube root of 84 is an irrational number.

Step-by-step explanation:

Answer: i think so

Step-by-step explanation:

Two regular pentagons and a regular decagon, all with the same side length, can completely surround a point. A square, a regular pentagon, and a regular $n$-gon, all with the same side length, also completely surround a point. n is 20.

A polygon having 5 sides or 5 angles is called a pentagon. The terms "pentagon" and "gonia," which both denote five angles, are the components of the word "pentagon." End to end, the four sides of a hexagon come together to create a shape. The geometric form known as a pentagon has five sides or five angles. In this case, "Penta" stands for five, and "gon" for an angle. One of the several kinds of polygons is the pentagon.

A point has an angle sum of 360 degrees.

The square's internal angles are all 90 degrees.

The regular pentagon has 108 degree internal angles.

Our unidentified polygon's interior angle is 360 - 108 - 90, or 162 degrees.

We can quickly calculate that this polygon's outer angle is 18 degrees.

Any regular polygon's outward angles add up to 360 degrees.

You get 20 times when you divide 360 by 18.

So, the polygon we don't know has 20 sides.

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Leo needs 100 star stickers to line the top and bottom edges of his 0.75-meter-long poster with 15-millimeter-wide stickers. Leo will need 50 star stickers for his poster.

First, we need to convert the length of Leo's poster from meters to millimeters since the width of the star stickers is given in millimeters.

0.75 meters x 1000 millimeters/meter = 750 millimeters

Now we can calculate how many stickers Leo needs by dividing the length of the poster by the width of each sticker:

750 millimeters ÷ 15 millimeters/sticker = 50 stickers

Therefore, Leo will need 50 star stickers for his poster.

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Answer:

Yes because if you were to continue enlarging the shape it would continue to follow the path/line of 10,1

Step-by-step explanation:

Answer:

Jack would have to buy 18 gum balls to be certain he gets 6 gum balls that are the same color.

Answer:

It's 16

Step-by-step explanation:

Imagine taking out 5 reds, after that 5 green ones and then 5 yellow gum balls. So the 16th must be number 6 of any color.

If the value of the coefficient of the x² term when the expression (3.5x²-5+2x) is multiplied by (-5x -0.75) . The coefficient of the x² term is -2.625.

When multiplying (3.5x² - 5 + 2x) by (-5x - 0.75), we need to discover the product of the parts that contain x² in order to determine the coefficient of the x² term.

Now let  write out the product of the two polynomials:

(3.5x² - 5 + 2x) × (-5x - 0.75)

= -17.5x³ - 2.625x² + 25x + 3.75

So,

The x² term's coefficient which is -2.625 is the coefficient of the term that contains x².

Therefore the coefficient is  -2.625.

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The rectangular equation that represents the polar equation r = (cot²θ)(csc θ) is y³ = x², which is an option (d).

The polar equation r = (cot²θ)(csc θ) can be written in rectangular form using the relationships x = r cos θ and y = r sin θ.

Substituting these expressions into the polar equation, we get:

r = (cot²θ)(csc θ)

r = (cos θ/sin θ)²(1/sin θ)

r = cos² θ/sin³ θ

x = r cos θ = cos³ θ/sin³ θ

y = r sin θ = cos² θ/sin² θ

As per the variable of x and y,

y³ = x².

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Answer:

180 cm³

Step-by-step explanation:

split the side (the side facing us) into three rectangles. one rectangle immediately beneath top step, next under middles step and so on.

area under top step = (2 + 2 + 2) X 3 = 18.

area under middle step = (2 + 2) X 3 = 12

area under bottom step = 2 X 3 = 6

total area of this side (cross-section) = 18 + 12 + 6 = 36.

volume = 36 X length

=  36 X 5

= 180 cm³

Answer: here are my answers.

Step-by-step explanation: Here are some brief answers to your questions:

1. The appearance of God is a matter of personal belief and varies across different religions and cultures.

2. This question is still debated by scientists and philosophers, and there is no clear answer. It is thought that the egg came first, as the evolution of birds and egg-laying animals predates the existence of chickens.

3. Views on what happens after death also vary across different religions and cultures. Some believe in an afterlife, while others do not.

4. Black holes are extremely dense regions in space where gravity is so strong that nothing, not even light, can escape.

5. Water is wet because it has a high surface tension, which allows it to adhere to other surfaces and create a thin film of water.

6. People die due to a variety of factors, including disease, injury, and aging.

7. The origin of the world is a complex question that has been studied by scientists, philosophers, and theologians for centuries. The most widely accepted scientific theory is the Big Bang theory, which suggests that the universe began with a massive explosion approximately 13.8 billion years ago.

8. Babies are formed through the fertilization of an egg by sperm, which occurs during sexual intercourse.

9. The sea is salty due to the presence of dissolved salts and minerals, which come from the weathering of rocks and volcanic activity.

10. The moon is sometimes visible during the day because its orbit around the Earth causes it to appear in different parts of the sky at different times.

11. The internet is a global network of interconnected computers and servers that communicate with each other using standardized protocols.

12. The sky appears blue because of the scattering of sunlight by the gases and particles in the Earth's atmosphere.

13. Wind is caused by differences in air pressure, which are created by variations in temperature, humidity, and other factors.

14. A leap year is a year that contains an extra day (February 29) to keep the calendar year synchronized with the astronomical year, which is approximately 365.25 days long.

15. The Earth spins on its axis due to the conservation of angular momentum from the formation of the solar system.

16. Blood is red because it contains hemoglobin, a protein that binds to oxygen and gives blood its characteristic color.

17. Infinity is a mathematical concept that represents a quantity that is larger than any finite number.

18. The Earth has a diameter of approximately 12,742 kilometers (7,918 miles) and a circumference of approximately 40,075 kilometers (24,901 miles).

19. The sky appears to be above us because the Earth's gravitational field holds the atmosphere in place around the planet.

20. Cutting onions releases a gas called syn-propanethial-S-oxide, which irritates the eyes and causes them to produce tears.

21. Planes fly by generating lift from their wings, which is created by the flow of air over the curved surface of the wing.

22. Telephones work by converting sound waves into electrical signals, which are transmitted over a network of wires or wireless connections.

23. Television works by transmitting images and sound over electromagnetic waves, which are received by a receiver and displayed on a screen.

24. Whether a person is right or left-handed is determined by the dominant hemisphere of their brain.

25. Electricity is a form of energy caused by the movement of electrons through a conductor.

26. Clouds float because they are made up of tiny water droplets or ice crystals that are lighter than the surrounding air.

27. Cars work by converting the energy stored in fuel into motion through a series of processes, including combustion, transmission, and propulsion.

28. The sun and moon appear to stay in the sky due to their position relative to the Earth's rotation and orbit.

29. The color of a person's eyes is determined by the amount and type of pigments in the iris.

30. Lightning is caused by the buildup and discharge of electrical energy in the atmosphere, typically between a cloud and the ground or between two clouds.

Answer:

Step-by-step explanation:

To show that points C(-4, 3), A(6, 1), and T(2, -3) form a right-angled triangle, we can calculate the slopes of the lines connecting these points.

The slope of a line passing through two points (x1, y1) and (x2, y2) is given by:

slope = (y2 - y1) / (x2 - x1)

Let's calculate the slopes of the lines formed by the points:

Slope of line CA:

m_CA = (1 - 3) / (6 - (-4))

= (-2) / 10

= -1/5

Slope of line CT:

m_CT = (-3 - 3) / (2 - (-4))

= (-6) / 6

= -1

Slope of line AT:

m_AT = (-3 - 1) / (2 - 6)

= (-4) / (-4)

= 1

Since two lines are perpendicular if and only if the product of their slopes is -1, we can check if the product of the slopes of CA and AT is -1. If it is, then the triangle formed by the points C, A, and T is a right-angled triangle.

Product of slopes m_CA and m_AT:

(-1/5) * (1) = -1/5

The product of the slopes is -1/5, which is not equal to -1. Therefore, the points C(-4, 3), A(6, 1), and T(2, -3) do not form a right-angled triangle.

Hence, we can conclude that the points C, A, and T do not form a right-angled triangle based on the slopes of the lines connecting them.

The circumference of the given circle is 14π mm.

We have,

The circumference of a circle with radius r is given by the formula:

C = 2πr

In this case,

The radius of the circle is given as 7 mm.

Substituting the value of r in the above formula.

C = 2π(7) mm

Simplifying this expression, we get:

C = 14π mm

Therefore,

The circumference of the given circle is 14π mm.

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Answer:

-------------------------

Simplify the expression.

First distribute, then collect like terms:

Answer:

Yes

Step-by-step explanation:

If you look at the graph of y = 16x^4 - 81, you see that it intersects the x-axis at two distinct places so there are two real solutions.  Whenever a polynomial function intersects the x-axis, there are at least one or more real roots.

I attached a picture of the graph using Desmos, where you'll see that there are two real roots.

The proportion of male babies less than two months old in the United States that weigh more than 10.1 pounds is 0.7554 or approximately 75.54%.

We are given the following information:

Mean = 11.9 pounds

Standard deviation = 2.6 pounds

To find the proportion of babies that weigh more than 10.1 pounds, we need to find the z-score and then find the corresponding area under the standard normal distribution curve.

1: Calculate the z-scoreWe can calculate the z-score using the formula:

z = (x - μ) / σ

where x is the weight of the baby in pounds, μ is the mean weight of male babies less than two months old in the United States, and σ is the standard deviation of the weights of male babies less than two months old in the United States.

Let's plug in the given values:x = 10.1 pounds

μ = 11.9 pounds

σ = 2.6 pounds

z = (10.1 - 11.9) / 2.6z = -0.6923 (rounded to four decimal places)

2: Find the area under the standard normal distribution curve

We can use a standard normal distribution table or a calculator to find the area under the curve for a z-score of -0.6923. Using a calculator, we get:

P(z > -0.6923) = 0.7554 (rounded to four decimal places)

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The answers are explained below.

Given are the questions to be solved with the help of proportionality,

Let the unknown values be x,

a) 32 / x = 8 / 6

x = 24

Hence the height of the tree is 24 ft.

b) 3.5 / 5 = x / 3

x = 2.1

Hence the cups of flour needed is 2.1 cups.

c) 2 / 90 = 5 / x

x = 225

Hence 5 cubic ft sand will weigh 225 lbs.

d) 18.50 / 35 = 12.50 / x

x = 23

Hence $12.5 will costs for 23.

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After rewriting the final answer will be 1.

Given,

|z−6|−|z−5| , if z<5

Now,

|z-6| will be less than 0 since z is less than 5  and |z-5| will be less than 0 since z is less than 5.

So we can rewrite it as  6-z  and 5-z by removing the absolute value signs and converting them in positive .

(6-z) - (5-z)

Further,

6-z-5+z

= 1

Hence Rewriting can be done without absolute values.

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If A and B are mutually exclusive events, P(A ∩ B) = 0, and the general addition law can be simplified to the sum of the individual probabilities for A and B

Given data ,

If events A and B are mutually exclusive, it means that they cannot occur simultaneously. In this case, the intersection of events A and B, denoted as A ∩ B, would indeed have a probability of 0

And , P(A ∪ B) = P(A) + P(B)

Therefore , if A and B are mutually exclusive, the probability of either event A or event B occurring is equal to the sum of their individual probabilities.

Hence , the probability is solved

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The test statistic if the sample proportion is 20/50 and the hypothesized proportion was 0.5 is:  -1.414.

Using z-test formula to determine the test statistic

z = (p - P) / [tex]\sqrt[/tex]((P(1-P))/n)

Where:

p = sample proportion = 20/50 = 0.4

P = hypothesized proportion = 0.5

n= sample size = 50

Let plug in the formula

Test statistic  = (0.4 - 0.5) / [tex]\sqrt[/tex]((0.5(1-0.5))/50)

Test statistic = (-0.1) / [tex]\sqrt[/tex]((0.25)/50)

Test statistic = (-0.1) / [tex]\sqrt[/tex](0.005)

Test statistic = (-0.1) / 0.0707

Test statistic = -1.414

Therefore the test statistic  is -1.414.

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To write the given quadratic equation, y = (x + 1)^2 - 4, in factored form, we can start by expanding the equation using the square of a binomial:

y = (x + 1)(x + 1) - 4

y = (x^2 + 2x + 1) - 4

y = x^2 + 2x + 1 - 4

y = x^2 + 2x - 3

Now, to find the zeros of the equation, we set y = 0 and solve for x:

x^2 + 2x - 3 = 0 To factor this quadratic equation, we need to find two numbers whose product is -3 and whose sum is 2. The numbers that satisfy this condition are 3 and -1:

(x + 3)(x - 1) = 0

Now, setting each factor equal to zero, we can find the values of x:

x + 3 = 0  =>  x = -3

x - 1 = 0  =>  x = 1

Therefore, the factored form of the equation y = (x + 1)^2 - 4 is (x + 3)(x - 1) = 0, and the zeros of the equation are x = -3 and x = 1.

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First, we need to find the number of students who bring lunch:

1/3 x 36 = 12 students bring lunch.

Next, we need to find the number of students who order lunch:

1/2 x 12 = 6 students order lunch.

So, the total number of students who eat lunch each day is:

12 (who bring lunch) + 6 (who order lunch) = 18 students.