what is 48 - 36 and then divided by 36

Answer: b explanation:

The approximate value of yz is 13.85641.

We can simplify the expression for yz by using the fact that the square root of a product is equal to the product of the square roots:

yz = √24 × √80

yz = √(24×80) (using the property of square root of product)

yz = √(1920)

we can simplify √(1920) by factoring out perfect squares.

First, we note that 1920 is divisible by 16,

so we can write:

√(1920) = √(16×120)

Next, we note that 1920 is divisible by 16,

so we can write:

√(16120) = √(164×30)

               = √(16×4)×√30

               = 8√30

Therefore, yz is approximately 8√30.

To get a numerical approximation, we can use a calculator or a tool such as Wolfram Alpha to get:

yz = 13.85641 (rounded to 5 decimal places).

Therefore, the approximate value of yz is 13.85641.

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The Intermediate Value Theorem (IVT) is a theorem in calculus that states that if a continuous function f(x) takes on values of opposite signs at two points a and b, then there exists at least one point c between a and b such that f(c) = 0.

In order to use the IVT, the function f(x) must be continuous on the closed interval [a, b]. This means that the function must be defined at every point in the interval, and that there are no gaps or jumps in the graph of the function on that interval. In addition, the function must not have any asymptotes or vertical lines of discontinuity on the interval, as these would prevent the function from being continuous.

If the function satisfies these conditions, then we can use the IVT to show that there exists at least one point in the interval where the function takes on a particular value, such as zero. The IVT is a powerful tool in calculus, as it allows us to prove the existence of solutions to equations and inequalities without actually finding those solutions.

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The approximate area of composite figure is 80.01cm2, the correct option is A.

We are given that;

Measurements= 7cm, 10cm and 6cm

Now,

Area of triangle= 1/2 x 7 x 6

=21cm2

Area of semicircle= 3.14*7/2

=10.99cm2

Area of rectangle= 10*7

=70cm2

Area of figure= 21 + 70 - 10.99

=80.01cm2

Therefore, by area the answer will be 80.01cm2.

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The median of the data is 6.

Looking at the box plot you provided, we can see that it's divided into four sections, or quartiles. The median, or the middle value of the data, is represented by the line that divides the box in half.

To find the median number of books read by the students, we need to look at the box plot and identify the median line. Then we can follow that line until it intersects with the y-axis, which represents the number of books read. The value at that point is the median number of books read by the students.

By looking through the box plot we have identified that te median is 6.

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Answer: 384

Step-by-step explanation:

you would find the volume and then divide by 2

The probability that the randomly selected point falls in the green sector is 1/6.

Option B is the correct answer.

We have,

The area of the green sector can be found by using the formula for the area of a sector:

A = (θ/360)πr²,

Where θ is the central angle and r is the radius.

In this case,

θ = 60° and r = 6 inches,

So the area of the green sector is:

A = (60/360)π(6)²

A = π(6)²/6

A = 6π

So,

The total area of the spinner is π(6)² = 36π.

So the probability of the randomly selected point falling in the green sector is:

P = (Area of green sector)/(Total area of spinner)

P = (6π)/(36π)

P = 1/6

Therefore,

The probability that the randomly selected point falls in the green sector is 1/6.

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Answer:

Step-by-step explanation:

300

in sequare

Answer: 3060 in³

Step-by-step explanation:

Volume is how much a shape can hold.  It's a 3 dimensional measurement so you need to multiply 3 dimensions

V= length x width x height

Sometimes students get confused with which is which side but it really doesn't matter because multiplication is commutative meaning you can switch it and it doesn't matter.  Like  5x2 is the same thing as 2x5  both will still be 10

length=15

width=12

height= 17

If Volume = length x width x height

=15 x 12 x 17 =  =3060

Because it's 3 dimensional, units are are cubed as well. but questions says no units

The required solution for the given right angle triangle is given below.

Blank #1: We can use the Pythagorean theorem to find AB:

[tex]AB = \sqrt{AC^2 + CB^2} \\= \sqrt{12^2 + 9^2}\\ =15[/tex]

Therefore, AB = 15.

Blank #2: We can use the inverse tangent function to find the angle A:

tan(A) = opposite / adjacent = CB / AC = 9 / 12

[tex]A = tan^{-1}(9/12) = 36.86^o[/tex]

Therefore, angle A ≈ 36 degrees.

Blank #3: We can use the inverse cosine function to find the angle C:

cos(C) = adjacent / hypotenuse = CB / AB = 9 / 15

C = arccos(9/15) ≈ 53.14

Therefore, angle C ≈ 53.14 degrees.

Blank #4: We can use the fact that the sum of angles in a triangle is 180 degrees to find angle B:

B = 180 - A - C ≈

B= 90

Therefore, angle B ≈ 90

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Thus, [tex]$1,5$[/tex] are linearly independent over [tex]$\mathbb{Q}$[/tex], which implies that [tex]$\mathbb{Q}(5) = \mathbb{Q}[5]$[/tex].

(a) Since [tex]$5 = e^{2i/3}$[/tex], we have [tex]$5^3 = e^{2i} = 1$[/tex]. Thus, [tex]$5$[/tex] is a root of the polynomial [tex]$p(x) = x^3 - 1$[/tex]. Moreover, [tex]$p(5) = 5^3 - 1 = 124 \neq 0$[/tex], which implies that $p(x)$ is the minimal polynomial of [tex]$5$[/tex] over [tex]$\mathbb{Q}$[/tex]. Therefore, [tex]${1, 5, 5^2}$[/tex] is a basis for [tex]$\mathbb{Q}[5]$[/tex] as a vector space over [tex]$\mathbb{Q}$[/tex]. Any element of [tex]$\mathbb{Q}[5]$[/tex] can be written in the form [tex]$a+ b5 + c5^2$[/tex] for some [tex]$a,b,c \in \mathbb{Q}$[/tex]. Thus, [tex]$Q[S] = {a+b5|a,b \in Q}$[/tex].

(b) Let [tex]$a+b5, c+d5 \in \mathbb{Q}(5)$[/tex]. Then, [tex]$(a+b5)+(c+d5) = (a+c) + (b+d)5 \in \mathbb{Q}(5)$[/tex] and [tex]$(a+b5)(c+d5) = ac + (ad+bc)5 + bd5^2 = (ac-bd) + (ad+bc)5 \in \mathbb{Q}(5)$[/tex]. Therefore, [tex]$\mathbb{Q}(5)$[/tex] is a subfield of [tex]$\mathbb{C}$[/tex] containing [tex]$\mathbb{Q}$[/tex]. To show that [tex]$\mathbb{Q}(5) = \mathbb{Q}[5]$[/tex], it suffices to show that [tex]$1,5$[/tex] are linearly independent over [tex]$\mathbb{Q}$[/tex].

Suppose [tex]$a+ b5 = 0$[/tex] for some[tex]$a,b \in \mathbb{Q}$[/tex], not both zero. Then, [tex]$b \neq 0$[/tex] and we have [tex]$5 = -a/b \in \mathbb{Q}$[/tex], a contradiction. Thus, [tex]$1,5$[/tex] are linearly independent over [tex]$\mathbb{Q}$[/tex], which implies that [tex]$\mathbb{Q}(5) = \mathbb{Q}[5]$[/tex].

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There are four possible values for the random variable X: 0, 1, 2, and 3

To find the probability distribution of X, which represents the number of girls in a family with three children, we first need to determine the possible values for the random variable X.

Part 1: Find the number of possible values for the random variable X.
There can be 0, 1, 2, or 3 girls in the family. Therefore, there are 4 possible values for the random variable X.

The random variable X represents the number of girls in a family with three children. To determine the possible values for X, we consider the number of girls that can exist in the family. In this case, there can be zero, one, two, or three girls.

When no girls are present, X takes the value 0. If there is one girl, X takes the value 1. If there are two girls, X takes the value 2. Finally, if there are three girls, X takes the value 3.

Therefore, there are a total of four possible values for the random variable X, which correspond to the different combinations of the number of girls in the family.

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The solution of the formula for the variable r is given as follows:

r = (I - t)/P.

The formula in this problem is defined as follows:

I = Pr + t.

To solve the formula for the variable r, we first must isolate the term with the variable r, as follows:

Pr = I - t.

Then we isolate the variable r applying the division operation, which is the inverse operation to the multiplication, giving the solution as follows:

r = (I - t)/P.

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a) The points (6, Ï/3) and (-6, - Ï/3) are different, so the answer is F.

b) The points (2, 59Ï/4) and (2 - 59Ï/4) are the same point, so the answer is T.

c) The points (0, 6Ï) and (0, 7Ï/4) are different, so the answer is F.

d) The points (1, 101Ï/4) and (-1, Ï/4) are different, so the answer is F.

e) The points (6, 44Ï/3) and (-6, -Ï/3) are the same point, so the answer is T.

f) The points (6, 7Ï) and (-6, 7Ï) are different, so the answer is F.

In polar coordinates, a point is represented by its distance from the origin (called the radius) and the angle it makes with the positive x-axis (called the polar angle or azimuth angle). When determining whether two points in polar coordinates are the same or different, we need to compare both their radius and their polar angle.

a) For the points (6, Ï/3) and (-6, - Ï/3), we see that they have the same radius of 6 but opposite polar angles. Ï/3 is one-third of a full revolution (2Ï), so it corresponds to a 60-degree angle in standard position. Similarly, - Ï/3 corresponds to a -60-degree angle. Since these angles are opposite in direction, the points are different.

b) For the points (2, 59Ï/4) and (2, -59Ï/4), we see that they have the same radius of 2 and opposite polar angles that differ by a full revolution of 2Ï. Specifically, 59Ï/4 corresponds to a 59 × 360/4 = 13,230-degree angle, which is equivalent to a 210-degree angle in standard position. -59Ï/4 corresponds to a -210-degree angle, which is the same as a 150-degree angle. Therefore, the two points represent the same point in standard position.

c) For the points (0, 6Ï) and (0, 7Ï/4), we see that they have different polar angles but the same radius of 0. Since the radius is 0, the point is located at the origin, and it doesn't matter what the polar angle is. Therefore, these points are different.

d) For the points (1, 101Ï/4) and (-1, Ï/4), we see that they have different radii and different polar angles. Specifically, (1, 101Ï/4) corresponds to a point that is 1 unit away from the origin and has a polar angle of 101 × 360/4 = 22,740 degrees, which is equivalent to a -20-degree angle in standard position. On the other hand, (-1, Ï/4) corresponds to a point that is 1 unit away from the origin and has a polar angle of 90 degrees. Therefore, these points are different.

e) For the points (6, 44Ï/3) and (-6, -Ï/3), we see that they have the same radius of 6 but opposite polar angles that differ by a full revolution of 2Ï. Specifically, 44Ï/3 corresponds to a 44 × 360/3 = 5,280-degree angle, which is equivalent to a 120-degree angle in standard position. - Ï/3 corresponds to a -60-degree angle, which is also equivalent to a 300-degree angle. Therefore, these points represent the same point in standard position.

f) For the points (6, 7Ï) and (-6, 7Ï), we see that they have the same polar angle of 7Ï but different radii. Specifically, (6, 7Ï) corresponds to a point that is 6 units away from the origin and has a polar angle of 7 × 360 = 2,520 degrees, which is equivalent to a 180-degree angle in standard position. On the other hand, (-6, 7Ï) corresponds to a point that is 6 units away from the origin but has a polar angle of -180 degrees. Therefore, these points are different.

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(a) Since a healthy person would not have excess insulin, their glucose level would not be too low. Therefore, the probability of a healthy person being suggested medication after a single test is very low, almost negligible.

(b) If each healthy person has completed two tests, then the expectation of the distribution of X would be the average of the two test results, denoted as E(X) = μ = (X1 + X2)/2, where X1 and X2 are the results of the first and second tests, respectively. Since the two test results are independent, the variance of the distribution of X would be the sum of the variances of the two tests, denoted as Var(X) = σ^2 = Var(X1) + Var(X2). The standard error of the distribution of X would be the square root of the variance, denoted as SE(X) = σ/√2.

(c) The probability that a healthy person will be suggested medication after 2 tests can be calculated as follows:
P(X1 < 40 and X2 < 40) = P(X1 < 40) * P(X2 < 40 | X1 < 40)
Since the two test results are independent, we can use the distribution from part (b) to find these probabilities.
P(X1 < 40) = P(Z < (40-μ)/σ) = P(Z < (40-(E(X))/SE(X)))
P(X2 < 40 | X1 < 40) = P(Z < (40-μ)/σ) = P(Z < (40-(E(X))/SE(X)))
Substituting the values of E(X) and SE(X), we get
P(X1 < 40) = P(Z < (40- X1 - X2)/ (2*SE(X1)))
P(X2 < 40 | X1 < 40) = P(Z < (40- X1 - X2)/ (2*SE(X2)))
Therefore, the probability of a healthy person being suggested medication after 2 tests to verify the doctor's theory can be calculated using the above formulas.

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The probability of not picking a yellow marble is 60% (option D)

Probability is the odds that a random event would occur. The chances that a random event would happen has a value that lies between 0 and 1. The more likely it is that the event would happen, the closer the probability value would be to 1.

Probability of not choosing a yellow marble from the bag = number of marbles that are not yellow / total number of marbles

number of marbles that are not yellow = 2 + 4+ 9 = 15

total number of marbles = 2 + 4 + 9 + 10 = 25

Probability of not choosing a yellow marble from the bag = 15/25 = 3/5 = 60%

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The probability P(not yellow) when choosing one marble from the bag is 60%

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

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

Not Yellow = Red + Green + Purple

This gives

Not Yellow = 2 + 4 + 9

Evaluate

Not Yellow = 15

So, we have the probability notation to be

P(Not Yellow) = Not Yellow/Total

This gives

P(Not Yellow) = 15/(15 + 10)

Evaluate

P(Not Yellow) = 60%

Hence, the value is 60%

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There are several factors that can decrease the supply of U.S. dollars in the foreign exchange market. One of the most significant factor is a decrease in U.S. exports.

When a country's exports decrease, it means that there is less demand for its currency, which can lead to a decrease in the supply of that currency in the foreign exchange market.

Another factor that can decrease the supply of U.S. dollars is a decrease in foreign investment in the U.S. When foreign investors exchange their U.S. dollars for their own currency, it can reduce the supply of U.S. dollars in the market.

Furthermore, a decrease in the U.S. trade deficit can also decrease the supply of U.S. dollars in the foreign exchange market. When the U.S. imports less than it exports, there is less demand for U.S. dollars to purchase foreign goods and services, which can lead to a decrease in the supply of U.S. dollars.

In conclusion, factors such as a decrease in exports, foreign investment, and trade deficits can all lead to a decrease in the supply of U.S. dollars in the foreign exchange market.

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The probability of spinning a 3 and flipping heads is 1/8.

Given that, sample space of spinner is {1, 2, 3, 4}

Sample space of flipping the coin {Heads, Tails}

We know that, probability of an event = Number of favourable outcomes/Total number of outcomes.

Probability of spinning a 3 = 1/4

Probability of flipping heads = 1/2

Probability of an event = 1/4 × 1/2

= 1/8

Therefore, the probability of spinning a 3 and flipping heads is 1/8.

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The probability that the first card will be a club, the second card will be a black card, and the third card will be an ace is 1/104.

There are 13 clubs, 26 black cards (13 clubs and 13 spades), and 4 aces in a standard deck of cards. Since the cards are drawn with replacement, the probability of drawing a club on the first draw is 13/52 = 1/4. The probability of drawing a black card on the second draw is 26/52 = 1/2, and the probability of drawing an ace on the third draw is 4/52 = 1/13.

By the multiplication rule of probability, the probability of all three events occurring together is the product of their individual probabilities:

P(club, black, ace) = P(club) × P(black) × P(ace)

= (1/4) × (1/2) × (1/13)

= 1/104

Therefore, the probability that the first card will be a club, the second card will be a black card, and the third card will be an ace is 1/104.

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More than 30 cans of food will be needed for 4 adults for 7 days. To find the number of cans needed for 4 adults for 7 days, given that 15 cans of food are needed for 7 adults for 2 days, we can follow these steps:

1. Determine the number of cans needed for 1 adult for 2 days: Divide the total number of cans (15) by the number of adults (7).
  15 cans / 7 adults = 2.14 cans per adult for 2 days (approximately)

2. Determine the number of cans needed for 1 adult for 7 days: Multiply the cans needed for 1 adult for 2 days by 3.5 (since 7 days is 3.5 times longer than 2 days).
  2.14 cans * 3.5 = 7.49 cans per adult for 7 days (approximately)

3. Determine the number of cans needed for 4 adults for 7 days: Multiply the cans needed for 1 adult for 7 days by the number of adults (4).
  7.49 cans * 4 adults = 29.96 cans

Since you cannot have a fraction of a can, round up to the nearest whole number. Thus, you would need 30 cans of food for 4 adults for 7 days.

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C. Draw a number line that spans all the values in the data set. Enclose the values from the lower to upper quartile in a box. Draw a vertical line through the box at the median. Add "whiskers" extending to the low and high values.

Draw a number line that spans all the values in the data set. Enclose the values from the lower to upper quartile in a box. Draw a vertical line through the box at the median. Add "whiskers" extending to the low and high values. Quartiles are three values ​​that divide the statistical data into four parts, each containing the same observation. A quarter is a type of quantity. First quartile: Also called Q1 or lower quartile. Second quartile: Also called Q2 or median. Third quarter: Also called Q3 or upper quarter.

Quartiles are values ​​that divide a list of numeric data into quarters. The three-quarter median measures the center of the distribution and shows the data near the center. The lower half of the quartile represents only half of the dataset below the median, and the upper half represents the remaining half above the median. In summary, quartiles describe the distribution or distribution of a data set.

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a. To find the likelihood that all three selected flights arrived within 15 minutes of the scheduled time, we'll multiply the probability for each individual flight:

Probability (All 3 Flights On Time) = 0.79 * 0.79 * 0.79 = 0.79^3 = 0.4933

So, the likelihood that all three flights arrived within 15 minutes of the scheduled time is 0.4933 or 49.33%.

b. To find the likelihood that none of the selected flights arrived within 15 minutes of the scheduled time, we'll first find the probability of a single flight being late (1 - 0.79 = 0.21) and then multiply the probabilities:

Probability (All 3 Flights Late) = 0.21 * 0.21 * 0.21 = 0.21^3 = 0.0093

So, the likelihood that none of the selected flights arrived within 15 minutes of the scheduled time is 0.0093 or 0.93%.

c. To find the likelihood that at least one of the selected flights did not arrive within 15 minutes of the scheduled time, we'll subtract the probability that all flights are on time from 1:

Probability (At Least 1 Flight Late) = 1 - Probability (All 3 Flights On Time) = 1 - 0.4933 = 0.5067

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To solve for x and y in this problem, we need to use the formulas for arithmetic and geometric sequences.

For the arithmetic sequence, we know that the difference between each term is the same. Let's call this difference "d". So we have:

-8 + d = x
x + d = y
y + d = 72

For the geometric sequence, we know that the ratio between each term is the same. Let's call this ratio "r". So we have:

x * r = y
y * r = 72

Now we can use these equations to solve for x and y.

First, we'll use the arithmetic sequence equations to find the value of "d". We can subtract the first equation from the second equation to get:

d = y - x

We can then substitute this into the third equation to get:

y + (y - x) = 72

Simplifying this, we get:

2y - x = 72

Now we can use the geometric sequence equations to find the value of "r". We can divide the second equation by the first equation to get:

r = y/x

We can then substitute this into the first equation to get:

x * (y/x) = y

Simplifying this, we get:

y = x^2

Now we have two equations for "y", so we can substitute one into the other to get an equation in terms of "x" only:

2x^2 - x = 72

Solving this quadratic equation, we get:

x = -8 or x = 9

We can then substitute each of these values back into the equation y = x^2 to get:

y = 64 or y = 81

So the solutions are:

x = -8, y = 64
x = 9, y = 81

Therefore, the first three terms of the sequence are -8, -8+17=9, 9+17=26 and the second, third, and fourth terms are 9, 26, 72.
In an arithmetic sequence, the difference between consecutive terms is constant. In a geometric sequence, the ratio between consecutive terms is constant.

Given the arithmetic sequence: -8, x, y, the difference between consecutive terms is constant, so we can say that x - (-8) = y - x. Simplifying, we get x + 8 = y - x, and then 2x = y - 8 (Equation 1).

Now, considering the geometric sequence: x, y, 72, the ratio between consecutive terms is constant. Therefore, y/x = 72/y. By cross-multiplying, we obtain y^2 = 72x (Equation 2).

To determine x and y, we can solve this system of equations. Using Equation 1, y = 2x + 8. Substitute this expression for y in Equation 2:

(2x + 8)^2 = 72x
4x^2 + 32x + 64 = 72x
4x^2 - 40x + 64 = 0
x^2 - 10x + 16 = 0
(x - 8)(x - 2) = 0

From this quadratic equation, we have two possible values for x: x = 8 or x = 2.

If x = 8, then y = 2x + 8 = 24. This would result in the geometric sequence 8, 24, 72, which has a constant ratio of 3.

If x = 2, then y = 2x + 8 = 12. This would result in the geometric sequence 2, 12, 72, which has a constant ratio of 6.

Both solutions are valid, so we have two possible sets of values for x and y: x = 8, y = 24 or x = 2, y = 12.

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The solutions for x and y are: 1. x = 2, y = 12 and

2. x = 8, y = 24

To determine the values of x and y in the sequence -8, x, y, 72, analyze the information given.

First, consider the arithmetic sequence formed by the first three terms: -8, x, y. In an arithmetic sequence, the common difference between consecutive terms is constant.

Therefore, set up the following equation:

x - (-8) = y - x

Simplifying the equation, we have:

x + 8 = y - x

2x + 8 = y

Next, given that the second, third, and fourth terms form a geometric sequence: x, y, 72. In a geometric sequence, each term is obtained by multiplying the previous term by a constant ratio.

Express this relationship using the following equation:

y / x = 72 / y

Cross-multiplying, we get:

y² = 72x

Now, we have two equations:

2x + 8 = y (Equation 1)

y² = 72x (Equation 2)

To solve for x and y, we'll substitute Equation 1 into Equation 2:

(2x + 8)² = 72x

Expanding and simplifying:

4x² + 32x + 64 = 72x

Rearranging the terms:

4x² + 32x - 72x + 64 = 0

4x² - 40x + 64 = 0

Dividing the entire equation by 4:

x² - 10x + 16 = 0

Factoring the quadratic equation, we have:

(x - 2)(x - 8) = 0

Setting each factor equal to zero and solving for x, we get:

x - 2 = 0 -> x = 2

x - 8 = 0 -> x = 8

So, x can be either 2 or 8.

If we substitute these values back into Equation 1, we can find the corresponding values of y:

For x = 2:

2(2) + 8 = y

4 + 8 = y

12 = y

For x = 8:

2(8) + 8 = y

16 + 8 = y

24 = y

Therefore, the possible solutions for x and y are:

1. x = 2, y = 12

2. x = 8, y = 24

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Yes, snow and "cold" weather are independent events. The probability of snow and a "cold" day is 15.

Based on the given probabilities, we can determine if snow and "cold" weather are independent events. Independent events occur when the probability of both events happening together is equal to the product of their individual probabilities.

P(snow) = 0.30

P(cold) = 0.50

P(snow and cold) = 0.15

If snow and cold are independent, then P(snow and cold) = P(snow) * P(cold).

0.15 = 0.30 * 0.50

0.15 = 0.15

Since both sides of the equation are equal, snow and "cold" weather are independent events.

Your answer: b. yes

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Answer:

es el grande 63poe que tienes mas

The expression in terms of x, for the perimeter of the quadrilateral is:

22x + 12

The perimeter of an object is the sum of the sides of the the object. Thus, the perimeter of the quadrilateral can be found by adding all the four sides of the quadrilateral. That is:

Perimeter = (3x-5) + (2x+7) + (15x-2) + (2x-3)

Perimeter =  3x-5 + 2x+7 + 15x-2 + 2x-3

Perimeter =  22x + 12

Therefore,  the expression in terms of x, for the perimeter is 22x + 12.

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Complete question

Check the image

The vertices that could represent the other three vertices of the rectangle are (6, 4), (0, 2), and (6, 2)

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

Vertex = (0, 4)

The rectangle has at least one side with a length of 6 units

So, we have

Possible vertices = (6, 4), (0, 2), and (6, 2)

In the above vertices, we have

Lengths = 6 units and 2 units

Hence, the vertices that could represent the other three vertices of the rectangle are (6, 4), (0, 2), and (6, 2)

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Therefore,

E(R) = E(max(Y1, Y2, ..., Yn)) - E(min(Y1, Y2, ..., Yn))

= θ + (b - θ)/n - θ - (a - θ)/n

= (b - a) / n

Hence, R is an unbiased estimator for θ with E(R) = (b - a) / n.

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Since the probability density function is 0 elsewhere, we can assume that the population follows a uniform distribution on some interval (a, b).

A suitable statistic to use as an unbiased estimator for θ would be the sample range R = max(Y1, Y2, ..., Yn) - min(Y1, Y2, ..., Yn).

To see why this is an unbiased estimator, we can calculate its expected value:

E(R) = E(max(Y1, Y2, ..., Yn) - min(Y1, Y2, ..., Yn))

= E(max(Y1, Y2, ..., Yn)) - E(min(Y1, Y2, ..., Yn))

Since each Yi has the same distribution, we have:

E(max(Y1, Y2, ..., Yn)) = E(Y1) = θ + (b - θ)/n

E(min(Y1, Y2, ..., Yn)) = E(Yn) = θ + (a - θ)/n

Therefore,

E(R) = E(max(Y1, Y2, ..., Yn)) - E(min(Y1, Y2, ..., Yn))

= θ + (b - θ)/n - θ - (a - θ)/n

= (b - a) / n

Hence, R is an unbiased estimator for θ with E(R) = (b - a) / n.

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To approximate the area of the region defined by[tex]y = √(3x)[/tex] using upper and lower sums, we first divide the interval [0,1] into n subintervals of equal width [tex]Δx = 1/n[/tex]. We then compute the upper and lower sums using the formulae above, and take their average to obtain the approximate area.

To approximate the area of the region defined by the function [tex]y = √(3x)[/tex]using upper and lower sums, we first need to divide the interval of integration [0,1] into subintervals of equal width. Let n be the number of subintervals, then the width of each subinterval is[tex]Δx = 1/n[/tex].

The upper sum is the sum of the areas of rectangles whose heights are taken from the upper endpoints of each subinterval. Specifically, for each i from 1 to n, we compute the height of the rectangle as f(xi), where xi is the upper endpoint of the i-th subinterval.

Upper sum =[tex]Δx [f(x1) + f(x2) + ... + f(xn)], where x1 = 0, x2 = Δx, x3 = 2Δx, ..., xn = (n-1)Δx.[/tex]Similarly, the lower sum is the sum of the areas of rectangles whose heights are taken from the lower endpoints of each subinterval.

Lower sum = [tex]Δx [f(x0) + f(x1) + ... + f(xn-1)][/tex], where[tex]x0 = 0, x1 = Δx, x2 = 2Δx, ..., xn-1 = (n-1)Δx.[/tex] To find the approximate area of the region using upper and lower sums, we simply compute the upper and lower sums using the given number of subintervals, and take their average: Approximate area = (Upper sum + Lower sum)/2.

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The segment length and the conversion of radian and degree are given below.

We have,

In order to solve for segment length in relation to circles, chords, secants, and tangents, we need to first define some terms:

Circle: A set of all points in a plane that are equidistant from a given point called the center of the circle.

Chord: A line segment joining two points on a circle.

Secant: A line that intersects a circle in two points.

Tangent: A line intersecting a circle at exactly one point, called the point of tangency.

Segment: A part of a circle bounded by a chord, a secant, or a tangent and the arc of the circle that lies between them.

Now, let's consider the following cases:

Chord-chord intersection:

If two chords intersect inside a circle, the product of the lengths of the segments of one chord is equal to the product of the lengths of the segments of the other chord. That is:

AB × BC = DE × EF

where AB and BC are the lengths of the segments of one chord, and DE and EF are the lengths of the segments of the other chord.

Secant-secant intersection:

If two secants intersect outside a circle, the product of the length of one secant and its external segment is equal to the product of the length of the other secant and its external segment. That is:

AB × AC = DE × DF

where AB and AC are the length of one secant and its external segment, and DE and DF are the length of the other secant and its external segment.

Secant-tangent intersection:

If a secant and a tangent intersect outside a circle, the product of the length of the secant and its external segment is equal to the square of the length of the tangent. That is:

AB × AC = AD^2

where AB and AC are the length of the secant and its external segment, and AD is the length of the tangent.

Tangent-tangent intersection:

If two tangents intersect outside a circle, the lengths of the two segments of one tangent are equal to the lengths of the two segments of the other tangent. That is:

AB = CD

BC = DE

where AB and BC are the lengths of the two segments of one tangent, and CD and DE are the lengths of the two segments of the other tangent.

Using these formulas, we can solve for segment length in various situations involving circles, chords, secants, and tangents.

To convert the degree measure to radian measure, we use the fact that 360 degrees is equal to 2π radians.

Therefore, we can use the following conversion formula:

radian measure = (degree measure × π) / 180

For example:

Convert 45 degrees to radians:

radian measure = (45 degrees × π) / 180

radian measure = (45/180)π

radian measure = π/4

So 45 degrees is equal to π/4 radians.

Convert 120 degrees to radians:

radian measure = (120 degrees × π) / 180

radian measure = (2/3)π

So 120 degrees is equal to (2/3)π radians.

Convert 270 degrees to radians:

radian measure = (270 degrees × π) / 180

radian measure = (3/2)π

So 270 degrees is equal to (3/2)π radians.

Note that radians are a more natural unit for measuring angles in many mathematical contexts, as they relate directly to the arc length of a circle.

To convert the radian measure to degree measure, we use the fact that 180 degrees equal π radians.

Therefore, we can use the following conversion formula:

degree measure = (radian measure × 180) / π

For example:

Convert π/3 radians to degrees:

degree measure = (π/3 radians × 180) / π

degree measure = 60 degrees

So π/3 radians is equal to 60 degrees.

Convert 2π/5 radians to degrees:

degree measure = (2π/5 radians × 180) / π

degree measure = (360/5) degrees

degree measure = 72 degrees

So 2π/5 radians is equal to 72 degrees.

Convert 3π/4 radians to degrees:

degree measure = (3π/4 radians × 180) / π

degree measure = (540/4) degrees

degree measure = 135 degrees

So 3π/4 radians is equal to 135 degrees.

Note that degree measure is commonly used in everyday life and in many technical fields, whereas radian measure is often used in advanced mathematics, physics, and engineering.

Thus,

The segment length and the conversion of radian and degree are given above.

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If the French club is sponsoring a bake sale to raise at least $395. The number of  pastries they must they sell at $2.35 each in order to reach their goal  is: D. at least 168.

Set up an equation:

Total amount raised =Number of pastries x Price per pastry

Let x represent the number of pastries:

x × $2.35 = $395

To solve for x we need to isolate it on one side of the equation

x = $395 / $2.35

x = 168

Based on the above calculation the French club must sell at least 168 pastries to raise at least $395.

Therefore the correct option is D.

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