What are the dimensions of a square that encloses the same area as a rectangle that is 2 miles long and 1 mile wide? Answer to the nearest inch, please. 

Answer:

for fog(x)

fog=f(g(x))

= 2(-4x +5)

=-8x+10

Answer:

1)The given point (-7,-4) is located in the third quadrant of the coordinate plane.We start with the given equation:X - 1/4 = 4Adding 1/4 to both sides, we get:X = 4 + 1/4X = 17/4Now, we substitute this value of X in the expression to be proved:(x + 1/x)² = [(17/4) + 1/(17/4)]²= [(17/4) + 4/17]²= [(289 + 16)/(4 x 17²)]²= (305/289)²= 20.06 (rounded to two decimal places)Therefore, we have proved that (x + 1/x)² = 20.

Step-by-step explanation:

(;

Angle B and angle C must have a total measure of 180 - 48 = 132 degrees.

What is Linear Equation ?

A linear equation is an equation that represents a straight line on a graph. It is an algebraic equation in which each term is either a constant or the product of a constant and a single variable.

Both Kwasi and Lola wrote true equations.

Kwasi's equation, b+132=180, is true because in a triangle, the sum of the interior angles is always 180 degrees. The angle measures opposite to sides b and c are a and f, respectively, so b+a+f=180. Since a+f=48+132=180- b, we can substitute and get b+132=180, which is true.

Similarly, Lola's equation, 132+f=180, is also true because the sum of the angles in a triangle is always 180 degrees, and angle A has a measure of 48 degrees,

Therefore,  angle B and angle C must have a total measure of 180 - 48 = 132 degrees.

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Answer:

34 degrees

Step-by-step explanation:

add the two known degrees then subtract from 180

Answer

the answer is a 6 Term polynomial

Therefore, the value of Code is 3954.076 and volumes of cylinders are:   A)1539.38 cubic meters B)2892.8 cubic feet C)2712.96 cubic inches D)111.304 cubic inches.

Volume is the measure of the amount of space that a three-dimensional object occupies. It is often measured in cubic units such as cubic meters, cubic feet, or cubic centimeters. The volume of an object can be determined by multiplying its length, width, and height (or depth) together, or by using specific formulas for the shape of the object.

Here,

A) Volume of cylinder = πr²h

= 3.14 x (15/2)² x 7

= 1539.38 cubic meters

B) Volume of cylinder = πr²h

= 3.14 x 8² x 14.4

= 2892.8 cubic feet

C) Volume of cylinder = πr²h

= 3.14 x 6² x 24

= 2712.96 cubic inches

D) Volume of cylinder = πr²h

= 3.14 x 2² x 8.9

= 111.304 cubic inches

Code = (2892.8 + 2712.96) - (111.304 + 1539.38)

Code = 5604.76 - 1650.684

Code = 3954.076

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In the given word problem, they all start to mow their lawns at the same time, Beth will finish first.

Let's assume that Beth's lawn has an area of x, so Andy's lawn has an area of 2x, and Carlos' lawn has an area of (1/3) × 2x = (2/3)x. Let's also assume that Beth's lawn mower can mow at a rate of 1 unit of area per hour, so Carlos' mower can mow at a rate of 1/2 = 0.5 units of area per hour, and Andy's mower can mow at a rate of 1/3 units of area per hour.  We can calculate the time it will take each person to mow their lawn by using the formula:

Time = Area / Rate.

Beth's time = x / 1

                   = x hours

Carlos' time = (2/3)x / 0.5

                    = (4/3)x hours

Andy's time = 2x / (1/3)

                    = 6x hours

According to these facts, it is quite clear that Beth would finish first followed by Carlos and Andy would finish last.

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In the above mentioned similar triangles the length of DE is 5.25 cm.

A triangle is a three-sided polygon with three vertices. The triangle's internal angle, which is 180 degrees, is constructed.

Since triangles ABC and ADE are similar, their corresponding sides are proportional. We can use this fact to set up a proportion:

AB / AD = BC / DE

Substituting the given values, we get:

8 / AD = 6 / DE

Multiplying both sides by DE, we get:

8DE / AD = 6

Dividing both sides by 8/AD, we get:

DE = (6/8)AD

We need to find AD to solve for DE. To do this, we can use the fact that BD is an altitude of triangle ABC and triangle ADE is similar to triangle ABC. Therefore, triangle ABD is also similar to triangle ABC, and we can set up another proportion:

BD / AB = AD / AC

Substituting the given values, we get:

4 / 8 = AD / (8 + 6)

Simplifying, we get:

1/2 = AD / 14

Multiplying both sides by 14, we get:

AD = 7

Substituting this value back into the first equation, we get:

DE = (6/8)AD = (6/8)7 = 21/4 = 5.25

Therefore, the length of DE is 5.25 cm.

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Answer:

the answer is c and it's right I think

You need to purchase 9,600 square yards of artificial turf to cover the playing field.

To find out how much artificial turf must be purchased to cover the field, you need to calculate the area of the rectangular field. Here's a step-by-step explanation:

1. Note the length and width of the field: Length = 120 yards, Width = 80 yards.
2. Calculate the area by multiplying the length and width: Area = Length × Width.
3. Plug in the given dimensions: Area = 120 yd × 80 yd.
4. Calculate the result: Area = 9,600 square yards.

Therefore, you need to purchase 9,600 square yards of artificial turf to cover the playing field.

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Answer: b

Step-by-step explanation:

khan

The equivalent equation to ab=ac is b = c.

An equivalent equation to ab=ac using a−1 that simplifies to b=c is:

Simplifying the expression by canceling out a⁻¹a, we get:

b = c

Therefore, the correct option is b = c.

We can start with the equation ab = ac and multiply both sides by a−1, which is the inverse of a. This gives us:

a⁻¹(ab) = a⁻¹(ac)

Simplifying the left-hand side of the equation by using the associative property of multiplication, we get:

(a⁻¹a)b = (a⁻¹a)c

Since a⁻¹a is equal to 1, we can simplify the expression to:

1b = 1c

Which simplifies to b = c, as required.

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The time taken for the object to travel from M to Y is 4 seconds.

To solve this problem, we will first find the distance between points M and Y, and then use the given average speed to find the time taken for the object to travel from M to Y.
Step 1: Find the distance between points M and Y
Since M is the midpoint of X and Y, and X and Y are 120 meters apart, we can find the distance between M and Y by dividing the total distance by 2:
Distance (M to Y) = (Total distance)/2 = 120 meters / 2 = 60 meters
Step 2: Find the time taken for the object to travel from M to Y
We are given the average speed of the object traveling from M to Y as 15 meters per second. We can use the formula: Time = Distance / Speed.
Time (M to Y) = Distance (M to Y) / Average speed = 60 meters / 15 meters per second = 4 seconds.

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The actual divorce rate in the United States is around 39%, and it is important to consider the specific factors that contribute to divorce rates rather than relying on a generalization about marriage.

The statistic that half of all marriages end in divorce is not an accurate depiction of the situation.

The statement is false.The statement that half of all marriages end in divorce is a widely held belief that has been perpetuated by popular media, but it is not an accurate depiction of the situation.

The actual divorce rate in the United States has been declining since the 1980s and is currently around 39%.The misconception about the high divorce rate is due in part to the fact that many people get divorced more than once, inflating the overall divorce rate.

Additionally, certain demographics are more likely to get divorced than others, such as those who marry at a young age or those with lower levels of education. Therefore, it is important to consider the specific factors that contribute to divorce rates rather than relying on a generalization about marriage.In conclusion, the statement that half of all marriages end in divorce is false.

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Arranging the numbers in the given terms we get, -√30 , ∛-89, ∛43,  5.2, √71, 15-√2, 96.

A number is an arithmetic value which is  used for representing the quantity and used for various calculations. A written symbol like “7” which represents a number is also known as numerals. For a number which contains more than one term then each term is called the digit of the number.

Then given numbers are,

5.2,  -√30,  ∛43,  √71,  ∛-89,  96,  15-√2

The first number is 5.2

The second number is -√30= -5.477

The third number is ∛43 = 3.503

The fourth number is √71= 8.426

The fifth b is ∛-89= -4.46474 [cube root of an imaginary number]

The sixth number is 96

The seventh number is 15-√2=13.5858

Arranging the numbers from least to greatest we get,

-5.477

-4.46474

3.503

5.2

8.426

13.5858

96

Hence, arranging the numbers in the given terms we get,

-√30 , ∛-89, ∛43,  5.2, √71, 15-√2, 96.

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Hence, if you purchase the 15-pound box rather than the 5-pound box, you will save roughly $0.0083 every load.

A problem-solving technique known as the unitary method is determining the value of only one unit and utilising that value to determine the value of another quantity which is either a multiple or indeed a fraction of the unit. It is frequently employed in maths, particularly in numeracy and algebra. In the unitary technique, a ratio or percentage is used to solve a problem where two quantities are related to one another by a constant number, that is, the value of one unit. This approach can be used to solve issues involving rates, costs, ratios, and other comparable quantities.

given

Let's start by calculating the price per load of the 5-pound package.

Cost per load is calculated as Box Cost / Number of Loads ($3.50 / 20 = $0.175).

Let's now calculate the price per load for the 15-pound box:

Cost each load is box price / the number of loads, which is $10.00 / (3 x 20) = $10.00 / 60 = $0.1667 per load.

to calculate the amount you will save per load if you purchase the 15-pound package.

Expense per load of a 5-pound box minus savings per load - The price per 15-pound box load.

Savings per load are equal to $0.175 - $0.1667, or $0.0083. (rounded to the nearest cent)

Hence, if you purchase the 15-pound box rather than the 5-pound box, you will save roughly $0.0083 every load.

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The purpose of random sampling is to select a set of items from a population such that the sample description accurately represents the population.

Random sampling is a type of sampling in which the researcher randomly selects a subset of participants from a population. Each member of the population has an equal chance of being selected. Data is then collected from as high a percentage of this random subset as possible. Simple random sampling selects a smaller group (sample) from a larger group of the total number of participants (population).

Samples are at the heart of survey research. It is often called the population microcosm, and the process of drawing a sample should maximize the similarity of the sample to the population under study. Sampling is therefore the selection of a set of elements from a population whose description accurately describes the parameters of the total population from which the sample is selected.

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Answer:

3a^2b^3c^5

—————— x 2^(-3) x^(-4)y^(-3)z^(-1)

8

Answer:

Probability = 1/256

Step-by-step explanation:

We Know

A coin has two faces, so there are two possible outcomes for every toss (head or tail); the sample space for a coin tossed 8 times is [tex]2^{8}[/tex] = 256

Landing on heads all 8 times is just one of the possible outcomes: 1

So, the probability is 1/256

When two variables are related in such a way that people with high scores on one variable tend to have high scores on the other, and people with low scores on one variable tend to have low scores on the other, it is called a positive correlation. This type of relationship between variables is appropriate for a correlation analysis.

A correlation is a statistical technique used to measure the strength and direction of the association between two variables. The most common correlation coefficient is the Pearson's correlation coefficient, which ranges from -1 to 1. A positive correlation indicates a direct relationship between the variables, while a negative correlation indicates an inverse relationship. A correlation close to 0 suggests no relationship between the variables.

To conduct a correlation analysis, the variables should be continuous or ordinal, which means that they can be measured on a scale with meaningful intervals. Examples of continuous variables include age, height, and weight, while ordinal variables could include rankings, such as class rank or satisfaction levels.

Here's a step-by-step explanation for conducting a correlation analysis:

1. Identify the two variables of interest, ensuring they are continuous or ordinal.
2. Collect the data for each variable from a sample of individuals or observations.
3. Calculate the mean and standard deviation for each variable.
4. Compute the covariance between the two variables, which measures the degree to which they change together.
5. Normalize the covariance by dividing it by the product of the standard deviations of the two variables. This produces the correlation coefficient, which represents the strength and direction of the relationship between the variables.

In summary, a correlation analysis is appropriate when examining the relationship between two continuous or ordinal variables, such as in the case of a positive correlation where high scores on one variable are associated with high scores on the other, and low scores on one variable are associated with low scores on the other.

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All five of the triple integrals are over the same region of space, they should produce the same result so the one that produces a different result must be over a different region.

a. The triple integral for F(x, y, z) over the region D with order of integration dy dz dx is x=0 to 1, y=0 to x and z=0 to 1-x-y.

b. The triple integral for F(x, y, z) over the region D with order of integration dx dy dz is z=0 to 1, y=0 to 1-z and x=y to 1-z.

c. The triple integral for F(x, y, z) over is 0 ≤ z ≤ 1 - x - y, 0 ≤ x ≤ y and 0 ≤ y ≤ 1.

To evaluate the function F(x, y, z) over the region D, we need to set up the appropriate triple integral. Since the order of integration is given, we can use that to determine the limits of integration.

(a) dy dz dx:

In this order of integration, we integrate with respect to y first, then z, then x.

The limits of integration for x are from 0 to 1.

For y, the limits of integration depend on the value of x. When x is between 0 and y, the limits of y are from 0 to 1. When x is between y and 1, the limits of y are from 0 to x.

For z, the limits of integration depend on the value of y and x. When x is between 0 and y, and y is between 0 and 1, the limits of z are from 0 to 1 - x - y. When x is between y and 1, and y is between 0 and x, the limits of z are from 0 to 1 - x - y.

Therefore, the triple integral for F(x, y, z) over the region D with order of integration dy dz dx is:

∫∫∫ F(x, y, z) dy dz dx

x=0 to 1

y=0 to x

z=0 to 1-x-y

(b) dx dy dz:

In this order of integration, we integrate with respect to x first, then y, then z.

The limits of integration for z are from 0 to 1.

For y, the limits of integration depend on the value of z. When z is between 0 and 1 - x - y, the limits of y are from 0 to 1 - x - z. When z is between 1 - x - y and 1 - x, the limits of y are from 0 to x + y - 1.

For x, the limits of integration depend on the value of y and z. When z is between 0 and 1 - x - y, and y is between 0 and 1 - x - z, the limits of x are from 0 to 1 - z. When z is between 1 - x - y and 1 - x, and y is between 0 and x + y - 1, the limits of x are from y to 1 - z.

Therefore, the triple integral for F(x, y, z) over the region D with order of integration dx dy dz is:

∫∫∫ F(x, y, z) dx dy dz

z=0 to 1

y=0 to 1-z

x=y to 1-z

(c) dz dx dy:

In this order of integration, we integrate with respect to z first, then x, then y.

The limits of integration for y are from 0 to 1.

For x, the limits of integration depend on the value of y. When y is between 0 and x, the limits of x are from 0 to y. When y is between x and 1, the limits of x are from 0 to 1 - y.

For z, the limits of integration depend on the value of x and y. When y is between 0 and x, and x is between 0 and 1, the limits of z are from 0 to 1 - x - y. When y is between x and 1, and x is between 0 and 1, the limits of z are from 0 to 1 - y.

Therefore, the triple integral for F(x, y, z) over the region D in the order of integration dz dx dy is:

∫∫∫ F(x, y, z) dz dx dy

where the limits of integration are:

0 ≤ z ≤ 1 - x - y

0 ≤ x ≤ y

0 ≤ y ≤ 1

So, we can write:

∫∫∫ F(x, y, z) dz dx dy = ∫₀¹ ∫₀¹-y ∫₀¹-x-y F(x, y, z) dz dx dy

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The question is -

Evaluate the function, F ( x, y, z ) over the region D, a tetrahedron with vertices ( 0, 0, 0 ), ( 1, 1, 0 ), ( 0, 1, 0 ), and ( 0, 1, 1 ). Set up the appropriate triple integral if the order of integration is, (a) dy dz dx. (b) dx dy dz. (c) dz dx dy. Which one is different?

Answer:

80%

Step-by-step explanation:

We Know

A group of 25 students is asked to attend a meeting.

20 of the 25 students were able to attend.

What percentage of the students were able to attend?

We Take

(20 ÷ 25) x 100 = 80%

So, 80% of the students were able to attend.

The probability after seven days of buying a lottery that Jorge would have at least one prize is 0.9364, rounded to four decimal places.

The question suggests that the probability of winning a prize on a single lottery is 0.2. This means that the probability of not winning a prize on that ticket is 0.8. This is because the probability is a total sum of 1. Hence, probability of not winning the prize:

1 - 0.2 = 0.8.

If Jorge has bought the tickets consistently, the probability would be multiplied the specific times. Therefore, the probability of not winning a prize on that ticket after seven days is equal to (0.8)⁷. Now the probability of winning a prize after seven days would be:

1 - (0.8)⁷ = 0.9364.

Therefore, the probability that Jorge has won at least one prize after seven days of buying lottery tickets is 0.9364 rounded to four decimal places.

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First, we need to find the radius of the cone. The diameter is given as 434 meters, so the radius is half of that:

radius = 434/2 = 217 meters

Next, we can use the formula for the volume of a cone:

V = (1/3)πr^2h

where r is the radius and h is the height.

Plugging in the values we have:

V = (1/3)π(217)^2(418)

V ≈ 41,796,778.5

Rounding to the nearest hundred thousand, we get:

V ≈ 41,800,000

Therefore, the volume of the cone is approximately 41,800,000 cubic meters.

The error you include in is: You only multiplied the 10h times the 2 and forgot to multiply it through the quantity to the -h.

What are the errors?

1. Raul should have first removed the innermost grouping symbols, the parentheses, by distributing 7h: In the original problem, Raul added the terms inside the parentheses before multiplying them by 7h, which is incorrect. To simplify the expression correctly, Raul should have first distributed 7h to both terms inside the parentheses, and then combined like terms.

2. He should not have added like terms before multiplying: Raul also made the mistake of adding the like terms 10h and -2h before multiplying them by 7h. It is important to perform all multiplication and division operations before addition and subtraction operations.

3. Raul only multiplied the 10h times the 2 and forgot to multiply it through the quantity to the -h: In the original problem, Raul correctly multiplied 7h by -2h to get -14h², but made the mistake of only multiplying 10h by 2, rather than multiplying the entire quantity (2h - 5) by 10h. This mistake led to the incorrect term 20h in Raul's final answer.

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Solution for Part A: 10.53% of the total students surveyed like both watching television and reading. Solution for part B: all the students who do not like watching TV, 67% of them also do not like reading.

The probability that the students who do not like watching TV, 67% of them also do not like reading. We can calculate it in the following manner.

To create a two-way table, we can use the information given in the survey:

Watching         TV        Not Watching TV     Total

Reading           20              60                      80

Not Reading   70               40                      110

Total                90               100                    190

Part A:

To find the percentage of students who like both watching television and reading, we look at the number of students who like watching TV and reading, which is 20, and divide it by the total number of students surveyed, which is 190. Then, we multiply the result by 100 to express it as a percentage:

(20/190) x 100 = 10.53%

Therefore, 10.53% of the total students surveyed like both watching television and reading.

Part B:

To find the probability that a student who does not like watching television also does not like reading, we look at the number of students who do not like watching TV and do not like reading, which is 40, and divide it by the total number of students who do not like watching TV, which is 40 + 20 = 60.

Therefore, the probability that a student who does not like watching television also does not like reading is:

40/60 = 2/3 or 0.67

This means that out of all the students who do not like watching TV, 67% of them also do not like reading.

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Answer:

Step-by-step explanation:

where angle A is opposite to side BH, angle B is opposite to side AH, and angle H is opposite to side AB.

Problem 8:

Using the Pythagorean theorem, we have:

AB² = AH² + BH²

Dividing both sides by BH², we get:

AB²/BH² = AH²/BH² + 1

(sin A)² + (cos A)² = 1, since sin A = AH/BH and cos A = BH/AB.

Therefore, (sin A)² + (cos A)² = 1, which is the identity we wanted to prove.

Problem 9:

Using the definition of cosine, we have:

cos(90°-A) = BH/AB

Using the Pythagorean theorem, we have:

AB² = AH² + BH²

Dividing both sides by AB², we get:

AB²/AB² = AH²/AB² + BH²/AB²

1 = (sin A)² + (cos A)², since sin A = AH/AB and cos A = BH/AB.

Therefore, sin A = √(1 - (cos A)²).

Substituting cos A = BH/AB, we get:

sin A = √(1 - (BH/AB)²)

Multiplying the numerator and denominator by AB², we get:

sin A = √(AB²/AB² - BH²/AB²)

sin A = √(1 - (BH/AB)²), which is the desired result.

Therefore, sin A = cos(90°-A).

The surface area of the figure when d = 2cm is 3.14 cm².

To find the surface area of a circle with a diameter of 2 cm, we can first begin by using the formula: A = πr².

Next, we note that the diameter radius is the diameter divided by 2. So, 2 cm divided by 2 equals 1 cm. Plugging this into the equation, we will have the following:

A = 3.14 * 1²

So, surface area = 3.14 cm² when rounded to the nearest hundredth centimeter.

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The cost of admission for one child is $5.60.

To find the cost of cost of admisson for one child, we can set up a system of linear equations using the given information.
Let A represent the cost of admission for one adult and C represent the cost of admission for one child.

We can write two equations based on the information given:
3A + 5C = $32.50 (for the first group)---------(1)
4A + 4C = $34.00 (for the second group)---------(2)
We can solve these equations step-by-step to find the value of C:

Multiply equation (2) by -1 so that we can eliminate A when adding both equations:
-4A - 4C = -$34.00

Add equations (1) and the modified equation (2) to eliminate A:
(3A + 5C) + (-4A - 4C) = $32.50 + (-$34.00)
-A + C = -$1.50

Multiply the whole equation by -1 to get rid of the negative sign:
A - C = $1.50 ---------(3)

Add equation (2) to the equation we got in step 3 to eliminate C:
(4A + 4C) + (A - C) = $34.00 + $1.50
5A + 3C = $35.50

Divide the equation by 5 to find the value of A:
A = $7.10

Substitute the value of A back into the equation 3:
$7.10 - C = $1.50

Solve for C:
C = $7.10 - $1.50
C = $5.60

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