I need help with this

The value of 8 9/14 divided by 12 is

The first step is to convert the mixed fraction to a proper fraction

8 9/14

= 121/14

The next step is to divide the proper fraction by 12

121/14 ÷ 12

= 121/14 × 1/12

= 121/168

= 0.720

Hence the value of 8 9/14 divided by 12 is 0.720

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Answer:

81

Step-by-step explanation:

(1 + 2)⁴

1⁴ + 4(1³ × 2) + 6(1² × 2²) + 4(1 × 2³) + 2⁴

1 + 4(2) + 6(4) + 4(8) + 16

1 + 8 + 24 + 32 + 16

= 81

At the moment when the rockets are at the same height, their height is approximately -223.34 meters. Note that this negative value indicates that they are both below the ground level.

How to find moment?

To find the moment when the rockets are at the same height, we need to set the two height functions equal to each other and solve for x:

-3.4x²- 64 = -3.4x² - 25x - 45

Simplifying and rearranging:

0 = 25x + 19

x = -19/25

So the rockets are at the same height after -19/25 seconds, or about 0.76 seconds.

To find the height at this moment, we can plug this value of x into either of the height functions. Let's use Ryan's function:

h(-19/25) = -3.4(-19/25)²- 64

= -3.4(361/625) - 64

= -223.34

So at the moment when the rockets are at the same height, their height is approximately -223.34 meters. Note that this negative value indicates that they are both below the ground level.

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The greatest number of plants that can be put in one row is 315. We can have 45 rows of roses, 27 rows of lilies, or 21 rows of chili plants, each with 315 plants in a row.

To find the greatest number of plants that can be put in one row, we need to find the greatest common factor (GCF) of 45, 81, and 63.

First, we can find the prime factorization of each number:

45 = 3 x 3 x 5

81 = 3 x 3 x 3 x 3

63 = 3 x 3 x 7

Then, we can identify the common factors:

The factors of 45 are 3 and 5

The factors of 81 are 3 and 3

The factors of 63 are 3 and 3

The greatest common factor is the product of the common factors raised to their lowest power:

GCF = 3^2 x 5 x 7 = 315

Therefore, the greatest number of plants that can be put in one row is 315. We can have 45 rows of roses, 27 rows of lilies, or 21 rows of chili plants, each with 315 plants in a row.

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The quadratic function representing the area of ​​the photo and the frame is A(x) =  1.7x²+ 16.2x + 36

When calculating a rectangle's area, we multiply the length by the width of the rectangle.

Area of rectangle = length × breadth

To represent the  photo and frame area, we need to add the photo area  to the frame area. Since the frame is 3 inches wide on all sides, the photo dimensions are reduced by 6 inches in both  length and  width. Therefore the length of the photo with the frame is (x 6) inches and the width is (1.7 x 6) inches. Thus, the area of ​​the photo and the frame can be represented by a quadratic function:

A(x) = (x 6) (1.7 x 6)

Expanding this expression, we get:

A(x) =  1.7x² + 16.2x + 36

So the quadratic function representing the area of ​​the photo and the frame is A(x) =  1.7x²+ 16.2x + 36

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Answer:

1,469 [tex]m^{2}[/tex]

Step-by-step explanation:

The volume of a rectangular prism is given by the following:

V = Bh, where B is the area of the base and h is the height.

In this problem, we are given that the volume is 23,504 [tex]m^{3}[/tex] and the height is 16 m.

23,504 [tex]m^{3}[/tex] = B × 16 [tex]m[/tex]

Dividing both sides by 16, we get:

B = 23,504 [tex]m^{3}[/tex]  / 16 [tex]m[/tex] = 1,469 [tex]m^{2}[/tex]

Therefore, the value of B, the area of the base, is approximately 1,469 [tex]m^{2}[/tex].

Let's break down the problem into steps to solve it:

Calculate the interest for the first 2 years:

The formula for compound interest is A = P(1 + r/n)^(nt), where A is the final amount, P is the principal, r is the annual interest rate, n is the number of times the interest is compounded per year, and t is the time period in years.

In this case, P = Rs 45,000, r = 10%, n = 1 (compounded annually), and t = 2 years.

So, A = 45000(1 + 0.1/1)^(1x2) = Rs 59,049

Therefore, the interest for the first 2 years is Rs 59,049 - Rs 45,000 = Rs 14,049

Calculate the remaining principal:

Ram paid one third of the principal at the end of 2 years, which is (1/3) x Rs 45,000 = Rs 15,000.

So, the remaining principal after 2 years is Rs 45,000 - Rs 15,000 = Rs 30,000

Calculate the interest for the next 2 years:

Since Ram paid off the remaining principal and interest at the same rate at the end of the next 2 years, the interest rate will still be 10%.

So, the interest for the next 2 years will be:

A = 30,000(1 + 0.1/1)^(1x2) = Rs 39,690

Therefore, the interest for the next 2 years is Rs 39,690 - Rs 30,000 = Rs 9,690

Calculate the total amount Ram paid at the end of 4 years:

To clear his debt, Ram paid the remaining principal (Rs 30,000) and the interest for the next 2 years (Rs 9,690).

So, the total amount he paid at the end of 4 years is Rs 30,000 + Rs 9,690 = Rs 39,690.

Therefore, Ram paid Rs 39,690 at last to clear his debt.

Answer:

-9 < m - 12

Step-by-step explanation:

When you multiply or divide an inequality by a negative number, you flip the inequality sign.

Helping in the name of Jesus.

The probability that at most 20 freshmen out of 85 plan to major in STEM is approximately 0.2420.

What is probability?

Probability is a measure of the likelihood or chance of an event occurring. It is a number between 0 and 1, with 0 representing an impossible event and 1 representing a certain event. The probability of an event is calculated by dividing the number of ways the event can occur by the total number of possible outcomes.

We can use the normal distribution to find probabilities related to STEM majors.

Let X be the number of freshmen out of 85 who plan to major in a STEM discipline. We are given that p = 0.27 is the proportion of freshmen who plan to major in STEM.

Then, X follows a binomial distribution with parameters n = 85 and p = 0.27.

The mean of the distribution is given by μ = np = 85 × 0.27 = 22.95.

The standard deviation of the distribution is given by σ = sqrt(np(1-p)) = sqrt(85 × 0.27 × 0.73) ≈ 4.27.

To find the probability that at most 20 freshmen plan to major in STEM, we can use the normal approximation to the binomial distribution:

P(X ≤ 20) ≈ P(Z ≤ (20 - 22.95) / 4.27) ≈ P(Z ≤ -0.697)

Using a standard normal distribution table or calculator, we find that P(Z ≤ -0.697) ≈ 0.2420.

Therefore, the probability that at most 20 freshmen out of 85 plan to major in STEM is approximately 0.2420.

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The line of fit y = -4.2x + 100 shows a negative correlation between the distance traveled and the remaining charge on the battery of the motorized wheelchair.

The slope of the line is -4.2, which means that for every one unit increase in distance traveled, the remaining charge on the battery decreases by 4.2 units.

The y-intercept of the line is 100, which means that when the distance traveled is zero, the remaining charge on the battery is 100.

The line of fit can be used to make predictions about the remaining charge on the battery for a given distance traveled.

Based on the scatter plot, we can see that there is a negative correlation between the distance traveled and the remaining charge on the battery. As the distance traveled increases, the remaining charge on the battery decreases.

Overall, the line of fit provides a way to estimate the remaining charge on the battery for a given distance traveled based on the data shown in the scatter plot.

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The rate per hour for the ferris wheel is 144 people per hour.

Your pay for each hour of labour is expressed as an hourly rate. You might need to estimate your income for other applications or modify your personal budget after comparing the hourly and salaried pay rates.

The ferris wheel can accommodate 60 people in 25 minutes.

To find out how many people could ride the ferris wheel in 4 hours, we need to convert 4 hours to minutes, since the given rate is in minutes.

1 hour = 60 minutes

4 hours = 4 x 60 minutes = 240 minutes

So, in 4 hours, the ferris wheel could accommodate 240/25 = 9.6 (rounded to the nearest whole number) cycles of 60 people.

The total number of people that could ride the ferris wheel in 4 hours would be 9.6 x 60 = 576 people.

Now, to find the rate per hour, we divide the total number of people (576) by the number of hours (4):

Rate per hour = Total number of people / Number of hours

Rate per hour = 576 / 4 = 144 people/hour

Therefore, the rate per hour for the ferris wheel is 144 people per hour.

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The segments KM and JN are parallel because the ratio LK : KJ = LM : MN are equivalent

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

The triangle

To determining whether KM || JN, we make use of the following ratio

LK : KJ = LM : MN

Substitute the known values in the above equation, so, we have the following representation

8 : 5 = 12 : 7.5

Express as fraction

5/8 = 7.5/12

Simplify

So, we have

0.625 = 0.625

This means that KM || JN

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Answer:

0.47?

Step-by-step explanation:

1. The Similarity between AD and AB is that AD is half the length of AB.

2. The areas of triangles ACD and BDC are equal.

3. We can say that if AC is the longest side, then CB is the shortest side

4. False, The relationship between AD and AB is that AD is half the length of AB.

A triangle is a three-sided polygon, which has three vertices. The three sides are connected with each other end to end at a point, which forms the angles of the triangle. The sum of all three angles of the triangle is equal to 180 degrees.

1) Since D is the midpoint of AB, we know that AD and DB have the same length. Therefore, we can say that:

AD = DB

Substituting AB for AD + DB, we can simplify to:

AB = AD + AD

or

AB = 2AD

So, the relationship between AD and AB is that AD is half the length of AB.

2) The areas of triangles ACD and BDC are equal, and we can write:

Area of ACD = (1/2) * AC * AD

Area of BDC = (1/2) * BC * DB

Since AD = DB, we can substitute and get:

Area of BDC = (1/2) * BC * AD

So, we can see that the areas of ACD and BDC are equal, and their bases AD and DB have the same length. Therefore, triangles ACD and BDC are equal in area and shape (they are congruent).

3) we can say that if AC is the longest side, then CB is the shortest side

4) False,

The relationship between AD and AB is that AD is half the length of AB.

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The value of the unknown term in the given triangle that satisfied the relation of angle bisector theorem is 9.

What about angle bisector theorem?

The angle bisector theorem is a fundamental theorem in geometry that relates the lengths of the sides of a triangle to the lengths of the segments formed by the intersection of an angle bisector with the opposite side.

Specifically, the angle bisector theorem states that the length of the segment of the side of a triangle that is opposite to the bisected angle is proportional to the lengths of the other two sides of the triangle. More precisely, if AD is the bisector of angle BAC in triangle ABC, then:

BD/DC = AB/AC

where BD and DC are the lengths of the segments of side BC that are adjacent to point A, and AB and AC are the lengths of the sides opposite to angles B and C, respectively.

This theorem is useful in many geometric constructions and proofs, and can be applied to various problems involving triangles and their properties.

According to the given information:

Using the concept of height and distance we have that,

[tex]tan(y) = \frac{4}{12} \\\\tan(2y) = \frac{2tany}{1-(tany)^{2} }[/tex]

In the given figure of triangle the value of tan(2y) = [tex]\frac{4+x}{12}[/tex]

So, when we correlate all of them we have that

[tex]\frac{2*\frac{4}{12} }{1-(\frac{4}{12}) ^{2} } = \frac{4+x}{12} \\\\x = 5[/tex]

So, the length of the unknown part is 9.

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Answer:

Step-by-step explanation:

Answer:

972

Step-by-step explanation:

1. 6+3=9

2. 45-9=36

3. 27x36=972

Answer: The probability that both televisions work is approximately 0.746, or 74.6%.

Step-by-step explanation:

To calculate the probability that both televisions work, we need to find the probability of selecting a working television, and then multiply that by the probability of selecting another working television from the remaining televisions.

Since 2 out of the 14 televisions are defective, that means there are 12 working televisions out of 14. So the probability of selecting a working television on the first draw is 12/14.

After the first television is selected, there will be 13 televisions left, with 11 working televisions. So the probability of selecting a second working television is 11/13.

Therefore, the probability that both televisions work is:

(12/14) x (11/13) = 0.746

So the probability that both televisions work is approximately 0.746, or 74.6%.

To calculate the probability that at least one of the two televisions does not work, we can use the complement rule. The complement of the event "both televisions work" is the event "at least one television does not work."

So, the probability that at least one television does not work is:

1 - 0.746 = 0.254

So the probability that at least one television does not work is approximately 0.254, or 25.4%.

Answer:

0.60, 0.40

Step-by-step explanation:

The probability that a television works is 11/14. The probability that a television is

defective is 3/14.

The probability that the first TV works and the second works is

[tex]\frac{11}{14}[/tex]×[tex]\frac{10}{13}[/tex]

(If the first selected TV works, the total number of televisions left is 13, and the

the number of working TV is 10).

Answer: 0.60.

The event that at least one of the two televisions does not work is the

opposite of the event ‘both TV work’. So the probability of at least one of the

two televisions does not work is

1- Pr (both works)= 1 − 11/14 ∙ 10/13 = 0.40.

Answer: 0.40.

The length of the side AC is 4.00cm

We have different trigonometric identities and their ratios are;

sin θ = opposite/hypotenuse

cos θ = adjacent/hypotenuse

tan θ = opposite/adjacent

From the information given, we have that;

Line CD = hypotenuse

Line Cy = Opposite = 4cm

Using the sine identity, we have;

sin 45 = 4/CD

cross multiply

CD = 4/0. 7071

Divide the values

CD = 5. 66cm

To determine the length of AC

sin 45 = AC/5.66

cross multiply the values

AC =sin 45 ×5.66

AC = 0. 7071 × 5. 66

multiply the values

AC = 4. 00cm

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Options I and II contain claims regarding the two-way frequency table that are accurate.

We are given the two-way frequency table that shows the newspapers recently conducted survey that gauges support for each of the two candidates.

Let us now analyze the options;

I) The two cities with the highest number of respondents are Carsonville and Appleton and from the table, they both show more support for candidate A and thus this option is true.

II) There are 266 supporters of candidate B in Carsonville. While there are 138 supporters of candidate B in New Thomas, we can see that 266 is not twice 138.This choice is untrue.

III) The number of residents that responded from Center city is 350 and we see that this is more than the number of residents that responded from New thomas which is 318 people.

The statement is true.

IV) This is untrue because candidate B has 805 supporters, which is greater than candidate A's 797 supporters. The assertion is thus untrue.

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The marginal cost is the derivative of the cost function.

Option C is the correct answer.

Marginal cost is the additional cost incurred by a firm or producer when producing one more unit of a good or service.

It is the cost of producing an additional unit of output.

We have,

Marginal cost is a concept in economics that describes the additional cost of producing one additional unit of output.

It is calculated as the derivative of the total cost function with respect to the quantity produced.

In other words, if the total cost function is represented as C(q), where q is the quantity of output produced, then the marginal cost (MC) function is given by:

MC(q) = dC(q) / dq

The derivative represents the rate of change of the cost function with respect to the quantity produced, which gives the additional cost of producing one more unit of output.

For example, if a company produces 100 units of a product at a total cost of $1000, and then produces 101 units of the same product at a total cost of $1020, the marginal cost of producing the 101st unit is $20, which is the difference in cost between producing 100 units and producing 101 units.

Thus,

The marginal cost is the derivative of the cost function.

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The complete question.

Complete the following sentence.

The marginal cost is the derivative of the ________ function.

A) Utility.

B Income.

C) Cost.

D Demand.

Answer:

[tex]10 < {e}^{8} [/tex]

[tex] ln(10) < 8[/tex]

[tex] ln(10) - 8 < 0[/tex]

Since ln(10) > 0, it follows that ln(10) + 1 > 0, and so:

[tex]( ln(10) + 1)( ln(10) - 8) < 0[/tex]

[tex] {( ln(10)) }^{2} - 7 ln(10) - 8 < 0[/tex]

[tex]( { ln(10) })^{2} - 7 ln(10) + 1 < - 9[/tex]

[tex] {( ln(10)) }^{2} + 2 ln(10) + 1 < 9 ln(10) - 9[/tex]

[tex] {( ln(10) )}^{2} + 2 ln(10) + 1 < 9( ln(10) - 1)[/tex]

(ln(10) + 1)^2 < 9(ln(10 - 1)

ln(10) + 1 < 3√(ln(10) - 1)

(1 + ln(10))/3 < √(ln(10) - 1)

√(ln(10) - 1) > (1+ ln(10))/3

Answer: To expand the expression 1/3(16a-8), we can distribute the 1/3 to each term inside the parentheses:

1/3(16a-8) = 1/3(16a) - 1/3(8)

Simplifying each term:

1/3(16a) = (1/3)16a = (16/3)*a

1/3(8) = (1/3)*8 = 8/3

So the fully expanded expression is:

1/3(16a-8) = (16/3)*a - 8/3

Step-by-step explanation:

Answer:

C. 3 x 4

There's not really a way to explain it. If you still have questions, I would recommend asking your teacher or someone you can trust.

Using the point-slope form of the equation of a line. the x-intercept of the line is [tex]-2.5[/tex].

To find the x-intercept of the line, we need to find the point where the line intersects the x-axis. We know that the y-coordinate of this point is zero, because it is on the x-axis. Let's call the x-coordinate of this point "x".

We also know that the line passes through the point (-2.5,0), because it is 2.5 units to the left of the origin. Using the point-slope form of the equation of a line, we can write the equation of the line as:

[tex]y - 0 = m(x - (-2.5))[/tex]

where m is the slope of the line. To find the slope, we can use the fact that the line passes through the point  [tex](0,1)[/tex] and [tex](-2.5,0)[/tex]:

[tex]m = (1 - 0) / (0 - (-2.5)) = 1 / 2.5 = 0.4[/tex]

Substituting this into the equation of the line, we get:

[tex]y = 0.4(x + 2.5)[/tex]

To find the x-intercept, we set y to zero and solve for x:

[tex]0 = 0.4(x + 2.5)[/tex]

[tex]-2.5 = x[/tex]

Therefore, the x-intercept of the line is  [tex]-2.5.[/tex]

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Answer: 430.00

Step-by-step explanation:

So.

3x^2-2x+3.

Replace x with 7

(3·7)^2-(2·7)+3

Multiply within the parenthesis

21^2-14+3

Take care of exponent

441-14+3

Solve the rest.

430

If you did it right, you would get 430 as the end result.

Happy Solving

Since there are four choices for each question, the total number of ways to fill out the answer sheet is 4⁵, or 4x4x4x4x4, which is equal to 1024.

It involves finding the most efficient and effective solution to a problem by exploring multiple options and assessing the pros and cons of each.

This can be found by calculating the number of possible ways to fill out the answer sheet.

Since there are four choices for each question, the total number of ways to fill out the answer sheet is 4⁵, or 4x4x4x4x4, which is equal to 1024..

To explain why this is happening, it is helpful to look at an example. Let's say the five questions are A, B, C, D, and E.

If a person wants to fill out the answer sheet so that four answers are correct and one is incorrect, they can either choose the correct answer for four of the questions, and then choose an incorrect answer for the fifth question, or they can choose the incorrect answer for four of the questions, and then choose the correct answer for the fifth question.

In terms of calculating the number of ways to fill out the answer sheet, this means that for each of the five questions, there are four possible ways to answer (four choices for each question). This means that there are 4

The answer to this question is 1024. This can be found by calculating the number of possible ways to fill out the answer sheet. Since there are four choices for each question, the total number of ways to fill out the answer sheet is 4⁵, or 4x4x4x4x4, which is equal to 1024.

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Answer:

v = 2√2

u = 4

Step-by-step explanation:

Use trigonometry:

[tex] \tan(45°) = \frac{v}{2 \sqrt{2} } [/tex]

Cross-multiply to find v:

[tex]v = 2 \sqrt{2} \times \tan(45°) = 2 \sqrt{2} \times 1 = 2 \sqrt{2} [/tex]

Use the Pythagorean theorem to find u:

[tex] {u}^{2} = {v}^{2} + ( {2 \sqrt{2} )}^{2} [/tex]

[tex] {u}^{2} = ( {2 \sqrt{2}) }^{2} + ({2 \sqrt{2}) }^{2} = 4 \times 2 + 4 \times 2 = 8 + 8 = 16[/tex]

[tex]u > 0[/tex]

[tex]u = \sqrt{16} = 4[/tex]