When abc does is drawn on a scale would the line AD and BC be parallel

Answers

Answer 1

The line AD and BC would be parallel when ABC does not intersect or cross each other on the scale.

In order for the lines AD and BC to be parallel, they must never intersect or cross each other. When ABC is drawn on a scale, it is essential to consider the orientation and positioning of the lines AD and BC. If the lines AD and BC are drawn in a way that they do not intersect, and they maintain the same direction and inclination, then they can be considered parallel.

On a scale, the relative positions of the points A, B, and C, as well as the angles and lengths of the lines AD and BC, would determine whether the lines are parallel or not. If the lines AD and BC remain equidistant and never intersect, they can be considered parallel. However, if the lines AD and BC cross or meet at any point, they are not parallel. The positioning and orientation of ABC on the scale are crucial factors in determining whether AD and BC are parallel or not.

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Related Questions

Tomás earned $38. 25 for cleaning the garage. He was paid $4. 25 per hour. Write and solve an equation to find how many hours it took him to clean the garage

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The equation is 38.25 = 4.25h and Tomás worked for 9 hours.

To find the number of hours it took Tomás to clean the garage, we can set up an equation using the given information.

Let's assume the number of hours Tomás worked is "h."

We know that Tomás was paid $4.25 per hour, so the total amount he earned can be calculated by multiplying the hourly rate by the number of hours worked:

Total earnings = Hourly rate * Number of hours

In this case, the total earnings are $38.25, and the hourly rate is $4.25:

$38.25 = $4.25 * h

To solve for "h," we need to isolate the variable on one side of the equation. We can do this by dividing both sides of the equation by $4.25:

$38.25 / $4.25 = h

Simplifying the right side:

9 = h

Therefore, it took Tomás 9 hours to clean the garage.

By setting up the equation and solving it, we determined that Tomás worked for 9 hours.

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composting method in which earthworms are used is known as ???? ​

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Vermicomposting is the practice of composting with earthworms.

Vermicomposting is the term for the composting process that uses earthworms.

Vermicomposting is the process of turning organic waste products, like kitchen scraps, yard debris, and paper, into nutrient-rich compost by using different types of worms.

Castings, which the worms produce after eating the organic debris, are very good for the health of the soil and the growth of plants.

In particular for small-scale or indoor composting systems, vermicomposting is a well-liked and efficient form of composting.

Hence, Vermicomposting is the name given to the composting technique that uses earthworms.

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HELP ME THIS IS DUE TODAY

A shirt is on sale for 15% off the regular price. Josef determines the amount he will save by first calculating 15% of the regular price, s, and then subtracting that amount from the regular price of the shirt. Josef then determines the amount he will pay. Select all of the expressions that could be used to calculate the amount he will pay for the shirt on sale!
a 5-0. 855
b) s-0. 15s
c) 0. 855
d) 1. 155
e) (1 +0. 15)s
f) (1 -0. 15)s

Answers

To calculate the amount Josef will pay for the shirt on sale, we need to consider the discount of 15% off the regular price. Several expressions can be used to calculate the final amount, including options (a), (b), (c), and (f).

These expressions involve manipulating the regular price of the shirt and the discount percentage to determine the final price after the discount is applied.

(a) The expression "5-0.855" is not a valid calculation for the amount Josef will pay. It seems to be a typographical error.

(b) The expression "s-0.15s" is a valid expression to calculate the amount Josef will pay. It represents the regular price (s) minus the discount of 15% of the regular price.

(c) The expression "0.855" is not a valid calculation for the amount Josef will pay. It seems to be the result of mistakenly subtracting 15% from 100%.

(d) The expression "1.155" is not a valid calculation for the amount Josef will pay. It seems to be the result of mistakenly adding 15% to 100%.

(e) The expression "(1+0.15)s" is not a valid calculation for the amount Josef will pay. It seems to mistakenly add 15% to the regular price.

(f) The expression "(1-0.15)s" is a valid expression to calculate the amount Josef will pay. It represents the regular price (s) multiplied by the factor of (1-0.15), which accounts for the 15% discount.

The expressions (b) "s-0.15s" and (f) "(1-0.15)s" can be used to calculate the amount Josef will pay for the shirt on sale, as they account for the 15% discount off the regular price.

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Find the sum of £1. 54, 64p and 29p. I) Write your answer in pounds, £. Ii) Write your answer in pence, p

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I) The sum of £1.54, 64p, and 29p is £2.47.

II) The sum of £1.54, 64p, and 29p is 247p.

The sum of £1.54, 64p, and 29p is £2.47 or 247p.

To find the sum, we need to add the values together. First, we add the pounds: £1.00 + £0.54 = £1.54. Then, we add the pence: 64p + 29p = 93p. To express the result in pounds and pence, we convert the pence to pounds by dividing by 100: 93p ÷ 100 = £0.93.

Finally, we add the pounds and pence together: £1.54 + £0.93 = £2.47. So, the sum of £1.54, 64p, and 29p is £2.47 or 247p.

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Complete the frequency table: Method of Travel to School Walk/Bike Bus Car Row totals Under age 15 60 Age 15 and above 65 195 Column totals 152 110 98 360 How many students age 15 and above take a bus to school? 18 50 80 87.

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The number of students age 15 and above take a bus to school are 50. Therefore, the correct answer is option B.

Total number of students Age 15 and above are 195.

Number of students who travel in bike or walk of Age 15 and above are 65.

Total number of students who travel in bus are 110.

The number of students under the Age 15 who travel in bus are 60.

The number of students above the Age 15 travel in bus = 110-60

= 50

Therefore, the correct answer is option B.

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With one method of a procedure called acceptance sampling, a sample of items is randomly selected without replacement and the entire batch is accepted if every item in the sample is okay. The ABC Electronics Company has just manufactured 1200 write-rewrite CDs, and 90 are defective. If 3 of these CDs are randomly selected for testing, what is the probability that the entire batch will be accepted?

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Acceptance sampling is a statistical procedure that involves taking a sample of a product or a lot of products and determining if it meets the required standards or specifications.

One method of acceptance sampling involves randomly selecting a sample of items without replacement and accepting the entire batch only if every item in the sample is okay.The ABC Electronics Company has just manufactured 1200 write-rewrite CDs, out of which 90 are defective. The question is asking about the probability that the entire batch will be accepted if 3 of these CDs are randomly selected for testing.We know that out of 1200 CDs, 90 are defective.

Therefore, the number of good CDs is:1200 - 90 = 1110If 3 CDs are randomly selected, the probability of getting a good CD on the first try is:1110/1200 = 37/40The probability of getting a good CD on the second try is:1109/1199The probability of getting a good CD on the third try is:1108/1198The probability of getting all three CDs that are good is:37/40 * 1109/1199 * 1108/1198 = 0.7978Therefore, the probability that the entire batch will be accepted is 0.7978 or approximately 79.78%.

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Use the data below to complete the following calculations. 319, 64, 310, 28, 212

Answers

The value of Σxy = 12016, Σx²y = 547608 and (Σxy)² = 144384256.

We must make some calculations using the provided data in order to determine the necessary numbers.

x: 90, 76, 16, 28, 46, 52, 14, 48

y: 33, 6, 91, 35, 63, 25, 17, 41

In order to determine xy (the total of the product of x and y):

Σxy = x₁y₁ + x₂y₂ + x₃y₃ + ... + x₈y₈

Σxy = (90 × 33) + (76 × 6) + (16 × 91) + (28 × 35) + (46 × 63) + (52 × 25) + (14 × 17) + (48 × 41)

Σxy = 2970 + 456 + 1456 + 980 + 2898 + 1300 + 238 + 1968

Σxy = 12016

Consequently, 12016 is equivalent to xy.

Calculate x2y (the sum of x2 and y) as follows:

Σx²y = x₁²y₁ + x₂²y₂ + x₃²y₃ + ... + x₈²y₈

Σx²y = (90² × 33) + (76² × 6) + (16² × 91) + (28² × 35) + (46² × 63) + (52² × 25) + (14² × 17) + (48² × 41)

Σx²y = 267300 + 34656 + 23296 + 34300 + 77376 + 67600 + 4012 + 97968

Σx²y = 547608

Therefore, Σx²y is equal to 547608.

Finally, to calculate (Σxy)² (the square of the sum of xy):

(Σxy)² = (12016)²

(Σxy)² = 144384256

Therefore, (Σxy)² is equal to 144384256.

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The complete question is:

Use the data below to complete the following calculations.

x 90 76 16 28 46 52 14 48

y 33 6 91 35 63 25 17 41

Σxy =

Σx²y =

(Σxy)² =

Natalie went on a jog 3 nights in a row. She jogged the same distance each night. This model represents the situation. Each column represents one mile and the shaded parts of each column represent the fraction of a mile that Natalie jogged each night.


Which expression can be used to determine the total distance in miles Natalie jogged over these 3 nights?

Answers

The expression that can be used to determine the total distance in miles Natalie jogged over these 3 nights is:

The model for finding the total distanceNatalie went on a jog 3 nights in a row and jogged the same distance each night.

The model for finding the total distance that Natalie jogged during the 3 nights is shown below:

Model for finding the total distance where each column represents one mile, and the shaded parts of each column represent the fraction of a mile that Natalie jogged each night.

From the model, we can find the total distance in miles Natalie jogged by counting the number of shaded parts in each column and then adding them together.

The number of shaded parts in each column represents the fraction of a mile that Natalie jogged each night.

Therefore, the expression that can be used to determine the total distance in miles Natalie jogged over these 3 nights is:

[tex]$$3 \cdot 1 + \frac{1}{2} + \frac{3}{4}$$ $$= 3 + \frac{2}{4} + \frac{3}{4}$$$$= 3 + \frac{5}{4}$$$$= \frac{12}{4} + \frac{5}{4}$$$$= \frac{17}{4}$$$$= \boxed{4\frac{1}{4}}\ miles$$[/tex]

Therefore, Natalie jogged a total distance of 4 and 1/4 miles over these three nights.

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A marker is randomly selected from a drawer that contains 20 green, 44 orange, and 30 blue markers. Which statement is true? P(blue)≈0. 41 P(green)≈0. 21 P(orange)≈0. 53.

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none of the provided approximations for the probabilities are accurate.To determine which statement is true, we need to calculate the probabilities of selecting each color marker.

Total number of markers = 20 green + 44 orange + 30 blue = 94 markers.

P(blue) = Number of blue markers / Total number of markers = 30 / 94 ≈ 0.319.

P(green) = Number of green markers / Total number of markers = 20 / 94 ≈ 0.213.

P(orange) = Number of orange markers / Total number of markers = 44 / 94 ≈ 0.468.

Based on the calculations, none of the given statements are true. The actual probabilities are approximately:

P(blue) ≈ 0.319,
P(green) ≈ 0.213,
P(orange) ≈ 0.468.

Therefore, none of the provided approximations for the probabilities are accurate.

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Use the given graph to determine if there are any solutions to the equation −(5)3 − x 4 = −2x. Cone The solution is approximately 1. 7 because it is the x-value of the intersection of the functions. The solution is approximately –3. 5 because it is the y-value of the intersection of the functions. There is no solution to the equation. The two solutions to the equation are 1. 7 and –3. 5 because that is the intersection of the functions.

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The solution to the equation −(5)3 − x 4 = −2x is approximately 1.7 because it is the x-value of the intersection of the functions.

By analyzing the graph, we can determine the approximate x-value where the two functions intersect. This point corresponds to the solution of the equation. In this case, the intersection occurs at around x = 1.7, indicating that it is a solution to the equation.

To explain further, let's analyze the given equation and the graph. The equation is −(5)3 − x 4 = −2x, which represents a mathematical relationship between two variables, x and y. The graph represents the functions on both sides of the equation.

The graph visually displays the functions −(5)3 − x 4 and −2x. To find the solutions to the equation, we need to determine the points where these two functions intersect.

By examining the graph, we can observe that there is indeed an intersection point between the functions. The x-coordinate of this point is approximately 1.7. Therefore, we can conclude that the solution to the equation is approximately 1.7 because it corresponds to the x-value of the intersection.

It's important to note that the y-value of the intersection point (approximately -3.5) does not directly relate to the solution of the equation. The y-value only represents the output of the functions at that particular x-value. hence, the approximate solution to the equation is 1.7 based on the x-value of the intersection of the functions.

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Explain how the number line can be used to determine the sum of the location of point T and -1 1/2.

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The number line can be used to determine the sum of the location of point T and -1 1/2. By visually representing the positions of these points on the number line, we can determine their sum by adding their locations.

To determine the sum of the location of point T and -1 1/2, we can plot the point T on the number line and then locate -1 1/2 on the number line. We can then add the locations of these points on the number line to find their sum.

For example, if point T is located at 3 on the number line and -1 1/2 is located at -1.5, we can add 3 and -1.5 to find their sum, which would be 3 + (-1.5) = 1.5.

By using the number line, we can visually represent the locations of the points and perform addition to find their sum accurately.

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A man needed to sell a car. He priced it at $2,700 the first day. The second day he reduced the price by 12%. What was the price of the car after this reduction?

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After reducing the price by 12%, the price of the car would be $2,376. To find the price of the car after a 12% reduction, we can calculate 12% of the original price and subtract it from the original price.  

To find the price of the car after the 12% reduction, we need to calculate 12% of $2,700 and subtract that amount from the original price. First, we find 12% of $2,700 by multiplying 0.12 (12% expressed as a decimal) by $2,700:

12% of $2,700 = 0.12 * $2,700 = $324

Next, we subtract $324 from the original price of $2,700:

$2,700 - $324 = $2,376

Therefore, after the 12% reduction, the price of the car would be $2,376. This reduction reflects a decrease in price from the original value, providing potential buyers with a discounted price for the car.

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A landscaper drew a scale drawing of a rectangular yard using the scale, 2 cm :3 m , before beginning to work on the yard.



(a) The landscaper plans to put a fence around the entire yard. How many meters of fencing does she need? Show your work.


(b) The landscaper plans to create a rectangular garden that is 1/3 the size of the actual yard. What is the area of the garden? Show your work

Answers

(a) The landscaper needs 3 times the sum of the length and width of the yard in meters for the fencing.

(b) The area of the garden is one-third of the area of the yard, multiplied by 2.25.

We have,

(a) To find the amount of fencing needed, we need to determine the perimeter of the yard in meters.

According to the scale, 2 cm on the drawing represents 3 m in reality. This means that 1 cm on the drawing represents 1.5 m in reality (since 3 m divided by 2 cm is 1.5 m/cm).

Let's assume the length of the yard in the drawing is L cm and the width is W cm.

Then, the length of the actual yard would be L x 1.5 m, and the width would be W * 1.5 m.

The perimeter of the yard is given by the formula:

Perimeter = 2 x (length + width)

Substituting the actual measurements, we have:

Perimeter = 2 x (L x 1.5 m + W x 1.5 m)

= 3 x (L + W) m

Therefore, the landscaper would need 3 times the sum of the length and width of the yard in meters for the fencing.

(b) The area of the garden can be determined by calculating 1/3 of the area of the actual yard.

Let's assume the area of the yard in the drawing is A square cm. Then, the area of the actual yard would be A x (1.5 m)², since each dimension is scaled by 1.5 m/cm.

To find the area of the garden, we calculate:

Area of garden = (1/3) x Area of yard

= (1/3) x (A x (1.5 m)^2)

= (1/3) x (A x 2.25) square meters

Therefore, the area of the garden would be one-third of the area of the yard, multiplied by 2.25.

Thus,

(a) The landscaper needs 3 times the sum of the length and width of the yard in meters for the fencing.

(b) The area of the garden is one-third of the area of the yard, multiplied by 2.25.

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Dividir 96 en tres partes tales que la primera sea el triple de la segunda y la tercera es igual a la suma de la primera y la segunda. (operaciónes porfas)

Answers

The three parts are: x = 24, y = 8, and z = 32. The first part is three times the second, and the third part is equal to the sum of the first and second.

Let's assume the three parts are x, y, and z.

According to the given conditions:

1) The first part is triple the second:

x = 3y

2) The third part is equal to the sum of the first and second:

z = x + y

We are also given that the sum of the three parts is 96:

x + y + z = 96

Now we can solve the equations simultaneously to find the values of x, y, and z.

Substituting the value of x from the first equation into the third equation:

(3y) + y + (3y + y) = 96

Simplifying the equation:

8y + 4y = 96

12y = 96

Dividing both sides by 12:

y = 96 / 12

y = 8

Now that we have the value of y, we can substitute it back into the first equation to find x:

x = 3y = 3(8) = 24

Lastly, substitute the values of x and y into the second equation to find z:

z = x + y = 24 + 8 = 32

Therefore, the three parts are:

x = 24

y = 8

z = 32

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Suzy had been working for 15 minutes when she finished problem 5. She complete all 20 questions in 45 minutes. Answer in decimal form, round to the nearest tenth if necessary.

Answers

Hence, the correct option is B) 11.1.

Given that Suzy had been working for 15 minutes when she finished problem 5 and she completed all 20 questions in 45 minutes.To find what fraction of the questions Suzy had finished when she finished problem 5; we need to subtract the time taken to finish problem 5 from total time and divide it by total time and the multiply it by 20. The answer can be rounded off to the nearest tenth if necessary.

Fraction of questions completed by Suzy = [(45-15)/45] × 20= 0.556 × 20= 11.12

As we see that Suzy had completed 11.12 questions when she finished the fifth problem.

Therefore, rounding it to the nearest tenth, the decimal form of the answer is 11.1.

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Darrel divided 8,675 by 87. His work is shown below. Which answer choice correctly identifies the error Darrel made when dividing? A. He made an error when multiplying. B. He made an error when subtracting. C. He forgot to place a zero in the quotient. D. He did not make an error, his work is correct.

Answers

According to given information, option C is the correct answer.

Given that Darrel divided 8,675 by 87.

His work is shown below.

Step 1: Set up the problem with the dividend under the division symbol and the divisor outside.

Step 2: Estimate a reasonable quotient and place it above the dividend. Then multiply and subtract. Bring down the next digit of the dividend.

Step 3: Repeat step 2 until the dividend has been brought down completely.

The given picture shows the steps done:

Option C: Darrel forgot to place a zero in the quotient.

Thus option C is the correct answer.

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The boom of a sailboat is 26 feet long. If the sail is an equilateral triangle how much cloth will be required to make the sail of the boat?

Answers

The area or amount of cloth that will be required to make the sail of the boat is 50.5 square feet (approx.).

Given that the boom of a sailboat is 26 feet long and the sail is an equilateral triangle. We have to determine the amount of cloth that will be required to make the sail of the boat.

The formula to calculate the area of an equilateral triangle is:

A = (√(3)/4)*a²,

where

A represents the area of the equilateral triangle

a represents the side of the equilateral triangle.

Here, the sail is an equilateral triangle.

Therefore, the length of each side of the sailboat is given as:

Length of each side of the sailboat = 26 feet / 3

                                                          = 8.67 feet or 8 feet (approximately)

We can calculate the area of the sail using the below formula;

A = (√(3)/4)×a²,

where,

A represents the area of the equilateral triangle

a represents the length of each side of the sailboat.

By substituting the value of a = 8.67 in the above equation, we get the area of the sail as follows:

A = (√(3)/4)×a²

A = (√(3)/4)*(8.67)²

A = 50.5 square feet (approx.)

Hence, the amount of cloth that will be required to make the sail of the boat is 50.5 square feet (approx.).

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One diameter makes ____________ parts of the circle .

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One diameter makes two parts of the circle. A diameter is a chord that passes through the center of a circle. When a circle is divided into two halves by the diameter, each half is called a semicircle.

When a line segment that passes through the center of a circle is drawn, it is referred to as a diameter. A circle has a diameter, its longest chord, and its endpoints lie on the circle itself. The midpoint of the diameter is the center of the circle. A diameter divides a circle into two equal parts, known as semicircles. A semicircle is the region enclosed by the arc and the diameter.

The semicircle's area is half the circle from which it was derived. The diameter is the longest chord that a circle has, and it passes through the center of the circle. The diameter divides the circle into two halves. Every chord's perpendicular bisector passes through the center of the circle. This property of the diameter is also applicable to chords. The perpendicular bisector of the chord passes through the circle's center, and the chord is divided into two equal parts.

Therefore, one diameter makes two parts of the circle. A diameter is a chord that passes through the center of a circle. When a circle is divided into two halves by the diameter, each half is called a semicircle.

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A goalie's saves (⋅ ) and goals scored against (x) are shown. What percent of shots did the goalie save?


will name person with correct answer brainlest.

Answers

To determine the percentage of shots that the goalie saved, we need the actual numbers of saves and goals scored against the goalie. Since the specific values are not provided in the question, it is not possible to calculate the exact percentage.

However, I can explain the general process for calculating the percentage of savings.

To find the percentage of saves, we need to divide the number of saves by the total number of shots and then multiply by 100. The formula for calculating the percentage is:

Percentage of saves = (Number of saves / Total number of shots) * 100

For example, if the goalie made 30 saves out of 40 total shots, the calculation would be:

Percentage of saves = (30 / 40) * 100 = 75%

In this case, the goalie saved 75% of the shots.

Without the specific values of saves and shots, it is not possible to determine the exact percentage.

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Write an exponential function in the form y=ab^xy=ab


x


that goes through points (0, 16)(0,16) and (2, 400)(2,400)

Answers

The values of a = 16 and b = 5 the exponential function in the form y = ab²x that passes through the given points is y = 16 × 5²x

An exponential function in the form y = ab²x that passes through the points (0, 16) and (2, 400), to determine the values of a and b.

Using the point (0, 16),  substitute x = 0 and y = 16 into the exponential function:

16 = ab²0

16 = a ×1

a = 16

The value of a, which is 16.

Using the point (2, 400), substitute x = 2, y = 400, and a = 16 into the exponential function:

400 = 16b²

To solve for b, divide both sides of the equation by 16:

400/16 = b²

25 = b²

Taking the square root of both sides,

b = ±√25

Since are looking for a positive base,  the positive square root:

b = 5

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jorge, martin y andres una pieza grande de queso en oferta y la dividieron en partes iguales, jorge le regalo asu ermana la mitad del queso que le toco, que parte de de todo el queso recibio la ermana de jorge?

Answers

Jorge, Martin, and Andres bought a big piece of cheese in an offer, and they divided it equally.

Jorge gave his sister half of the cheese he got, so what part of the whole cheese did Jorge's sister receive?

To begin with, let us find out how many people shared the big piece of cheese. Three people divided the cheese into equal parts.Then they shared it. We are not sure how much cheese there was in the first place,

so let us call the total amount of cheese T.Since it was divided equally among three people, each person got T/3 cheese.Then Jorge gave his sister half of the cheese he got.So, his sister received 1/2 of T/6 or T/12 cheese.

Therefore, the sister of Jorge received T/12 of the entire cheese.

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Sketch a normal curve and label the axis using the mean and standard deviation. Be sure to label one, two, and three standard deviations on either side of the mean

Answers

A normal distribution is a bell-shaped distribution that occurs in nature. The mean and standard deviation are used to characterize normal distributions.

A normal distribution is a probability distribution that is symmetric around its mean, with the greatest probability density at the center and tapering off to the left and right. The mean and standard deviation of the distribution describe the distribution. The normal curve depicts a standard normal distribution with a mean of 0 and a standard deviation of 1. To sketch a normal curve, follow the steps below: Step 1: Draw a horizontal axis and label it with the mean µ and the standard deviation σ.Step 2: Draw a bell-shaped curve on the axis, centered at the mean, with the highest point above the mean. The area under the curve must equal 1.0.Step 3: Divide the horizontal axis into thirds on either side of the mean, then label one, two, and three standard deviations away from the mean using σ. This provides us with the following standard normal curve, as shown below: Image credit: Cliffs Notes .Therefore, this is how we can sketch a normal curve and label the axis using the mean and standard deviation.

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An urn contains 4 balls: 1 white, 1 green and 2 red. We draw 3 balls with replacement. Find the probability that we did not see all three colors. Use two different calculations, as specified by (a) and (b) below. (a) Define the event W = {white ball did not appear} and similarly for G and R. Use inclusion-exclusion. (b) Compute the probability

Answers

Both methods will yield the same result, which represents the probability of not seeing all three colors when drawing three balls with replacement from the given urn. The answer in this case is 3/4.

(a) Using the inclusion-exclusion principle, we define events W, G, and R for the white, green, and red balls not appearing, respectively. To calculate the probability that we did not see all three colors, we use the formula P(W U G U R) = P(W) + P(G) + P(R) - P(W ∩ G) - P(W ∩ R) - P(G ∩ R) + P(W ∩ G ∩ R). Each individual probability can be calculated by considering the number of ways each event can occur divided by the total number of possible outcomes. For example, P(W) = (3/4)^3, P(G) = (3/4)^3, P(R) = (1/2)^3, P(W ∩ G) = (2/4)^3, and so on.

(b) In the direct computation method, we calculate the probability of not seeing all three colors by subtracting the probability of seeing all three colors from 1. The probability of seeing all three colors is calculated by considering the number of ways to select one ball of each color divided by the total number of possible outcomes. There are 4 possible outcomes for each ball drawn, so the probability of seeing all three colors is 4/4 * 4/4 * 2/4 = 1/4. Therefore, the probability of not seeing all three colors is 1 - 1/4 = 3/4.

Both methods will yield the same result, which represents the probability of not seeing all three colors when drawing three balls with replacement from the given urn. The answer in this case is 3/4.


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Final answer:

To find the probability that we did not see all three colors when drawing 3 balls with replacement from an urn containing 1 white, 1 green, and 2 red balls, we can use the inclusion-exclusion principle or calculate directly by counting the number of ways.

Explanation:

To find the probability that we did not see all three colors, we can use two different calculations.

(a) Let W be the event that the white ball did not appear, G be the event that the green ball did not appear, and R be the event that the red ball did not appear. We can use the inclusion-exclusion principle to calculate the probability:

P(W ∪ G ∪ R) = P(W) + P(G) + P(R) - P(W ∩ G) - P(W ∩ R) - P(G ∩ R) + P(W ∩ G ∩ R)

(b) Alternatively, we can directly compute the probability by counting the number of ways that we did not see all three colors and dividing by the total number of possible outcomes.

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You perform a dilation on a shape with a vertex at (2, 6). That vertex moves to (−8, −24). What is the dilation centre? What is the dilation factor?

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In the given scenario, a dilation has been performed on a shape with a vertex at (2, 6). The vertex after the dilation is located at (-8, -24). The dilation center can be determined as well as the dilation factor. To find the dilation center and the dilation factor, we compare the coordinates of the original vertex and its image after the dilation.

The dilation center is the point around which the shape is dilated or expanded. In this case, the dilation center can be determined by finding the midpoint between the original vertex and its image. Using the midpoint formula, we calculate:

x-coordinate of the midpoint = (2 + (-8)) / 2 = -6/2 = -3

y-coordinate of the midpoint = (6 + (-24)) / 2 = -18/2 = -9

Therefore, the dilation center is (-3, -9).

The dilation factor represents the scale factor or the ratio of the distances between corresponding points of the original shape and its image after the dilation. In this case, we can determine the dilation factor by calculating the ratio of the distances between the x-coordinates and y-coordinates of the original vertex and its image.

Original x-coordinate: 2

Image x-coordinate: -8

Dilation factor for x-coordinates = Image x-coordinate / Original x-coordinate = -8 / 2 = -4

Original y-coordinate: 6

Image y-coordinate: -24

Dilation factor for y-coordinates = Image y-coordinate / Original y-coordinate = -24 / 6 = -4

Since the dilation factor is the same for both x and y coordinates, we can conclude that the dilation factor is -4. In summary, in the given scenario where a dilation has been performed on a shape with a vertex at (2, 6) resulting in the vertex moving to (-8, -24), the dilation center is (-3, -9), and the dilation factor is -4.

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Norman has four less than triple the amount of candy Devin has. If Norman has twenty candies, how many candies does Devin have?

Answers

Devin has 2 candies. The problem states that Norman has four less than triple the amount of candy Devin has which is given by:20=3x-4.We add 4 to both sides of the equation:20+4=3x-4+4.24=3x.

Let the amount of candy that Devin has be x.

Then, triple the amount of candy that Devin has is 3x.

The problem states that Norman has four less than triple the amount of candy Devin has which is given by:20=3x-4.We add 4 to both sides of the equation:20+4=3x-4+4.24=3x.

Divide both sides by 3:24/3=3x/3.x=8.We now know that Devin has 8 candies.

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Ryan and Dylan walk toward each other at a constant rate, meet up, and then continue past each other in opposite directions. WE will call where they meet up 0 feet and the time when they meet up 0 seconds

Dylan's Velocity is 12 feet per second

Ryan's velocity is -10 feet per second

When is each person at the position -10 feet from the meeting place use each answer in a complete sentence in the context of the problem

Answers

Dylan is at a position 10 feet from the meeting place after 5/6 seconds, while Ryan is not at a position 10 feet from the meeting place.

To find when each person is at a position 10 feet from the meeting place, we can use their velocities and the concept of relative motion.

For Dylan:

Dylan's velocity is 12 feet per second. Since Dylan is walking towards the meeting place, his velocity is positive. To find when Dylan is at a position 10 feet from the meeting place, we can set up the following equation:

Distance = Velocity × Time

10 = 12t

Solving for t, we divide both sides of the equation by 12:

t = 10/12

t = 5/6 seconds

Therefore, Dylan is at a position 10 feet from the meeting place after 5/6 seconds.

For Ryan:

Ryan's velocity is -10 feet per second. Since Ryan is walking in the opposite direction, his velocity is negative. To find when Ryan is at a position 10 feet from the meeting place, we can set up the following equation:

Distance = Velocity × Time

10 = (-10)t

Solving for t, we divide both sides of the equation by -10:

t = 10/(-10)

t = -1 second

Since time cannot be negative in this context, we can conclude that Ryan is not at a position 10 feet from the meeting place.

In summary, Dylan is at a position 10 feet from the meeting place after 5/6 seconds, while Ryan is not at a position 10 feet from the meeting place.

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Marjorie has 3 pink ribbons, 1 green ribbon, and 2 blue spools of thread for art. what fraction of marjories ribbons are green??

Answers

1/6 is the fraction of Marjorie's ribbons that are green. Marjorie has a total of 6 ribbons and spools of thread for art, consisting of 3 pink ribbons, 1 green ribbon, and 2 blue spools of thread.

1. To determine the fraction of Marjorie's ribbons that are green, we divide the number of green ribbons by the total number of ribbons.

2. To find the fraction of Marjorie's ribbons that are green, we need to calculate the ratio of green ribbons to the total number of ribbons. The total number of ribbons is the sum of all the ribbons and spools of thread, which is 3 pink ribbons + 1 green ribbon + 2 blue spools of thread, equaling 6 ribbons in total.

3. Since Marjorie has only 1 green ribbon, we can say that the fraction of her ribbons that are green is 1 out of the total 6 ribbons. This can be expressed as 1/6. Therefore, 1/6 is the fraction of Marjorie's ribbons that are green.

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Find the third term of the sequence given by the rule f(1) = 5 and f(n) = f(n-1) + 3 for n bigger than 1

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The third term of the sequence is 11.

The sequence given by the rule

f(1) = 5

and

f(n) = f(n-1) + 3, for n bigger than 1.

The third term of the sequence can be calculated using the given formula of the sequence.

We are given that

f(1) = 5, which means that the first term of the sequence is 5.

We can find the second term of the sequence using the formula.

f(n) = f(n-1) + 3

Now n = 2

    f(2)  = f(2-1) + 3

           = f(1) + 3

           = 5 + 3

            = 8

Therefore, the second term of the sequence is 8.

Using the same formula we can find the third term of the sequence

f(n) = f(n-1) + 3

Now n = 3

f(3) = f(3-1) + 3

     = f(2) + 3

     = 8 + 3

      = 11

Therefore, the third term of the sequence is 11. Hence, the correct answer is 11.

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The box is a right triangular prism shaped box, it is 7 inches long ang the triangular base measures 3inx4inx5in What is the surface area

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The surface area of the box is 76 square inches.

The box in the given problem is a right triangular prism shaped box, it is 7 inches long and the triangular base measures 3 in x 4 in x 5 in. We need to determine the surface area of this box.

Therefore, let's first calculate the surface area of the base of the box. The base is a right-angled triangle. Its area can be calculated using the formula for the area of a triangle:

A = (1/2) x base x height = (1/2) x 3 x 4 = 6 square inches.

Now, we need to calculate the area of each of the three rectangular faces. Two of these faces are congruent rectangles and have dimensions 7 in x 3 in. The other face is a rectangle with dimensions 7 in x 4 in. Thus, the area of each of the congruent rectangles is:Area = length x width = 7 x 3 = 21 square inches. Therefore, the area of both rectangles is 21 + 21 = 42 square inches.Now, the area of the third rectangle is:Area = length x width = 7 x 4 = 28 square inches.So, the total surface area of the box can be found by adding the area of the base to the area of all three faces:S.A. = 6 + 42 + 28 = 76 square inches.

Therefore, the surface area of the box is 76 square inches.

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Joshua buys 1/5 pound of mixed nuts. 1/2 pound of chocolate candies, and 1 1/4 pound of granola to make the trail mix.



How much did Joshua spend to make the trail mix?

Answers

Joshua spent an amount determined by the prices of mixed nuts, chocolate candies, and granola to make the trail mix.

The exact cost cannot be determined without the price per pound of each ingredient.

To calculate how much Joshua spent to make the trail mix, we need to know the price per pound of each ingredient: mixed nuts, chocolate candies, and granola. Without this information, we cannot provide an exact answer.

However, we can provide a general approach to calculate the cost if we have the price per pound for each ingredient. Let's assume the price per pound of mixed nuts is $x, the price per pound of chocolate candies is $y, and the price per pound of granola is $z.

To determine the cost of each ingredient, we multiply the weight in pounds by the respective price per pound. For mixed nuts, Joshua bought 1/5 pound, so the cost of mixed nuts would be (1/5) * x. For chocolate candies, he bought 1/2 pound, so the cost of chocolate candies would be (1/2) * y. Lastly, for granola, he bought 1 1/4 pounds, so the cost of granola would be (1 1/4) * z.

To find the total cost, we add the costs of all three ingredients: (1/5) * x + (1/2) * y + (1 1/4) * z.

Without the specific prices per pound, we cannot provide a numerical answer, but you can calculate the total cost using the given weights and the corresponding prices per pound.

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