Write an essay describing how you would implement subtraction as a money lesson. You must add the lesson plan for this lesson to support your discussion in your essay. Your essay must not be longer than 3 pages. And if you use ideas from the internet, did not forget to reference it as far as possible. Also, if you are going to do this lesson in your class, you are welcome to add images to your assignment of what you did with the learners. (But this is not a requirement). I will be posting the rubric for the assignment along with the slides tomorrow morning. Due date: Tuesday the 25th of April 2023 su wil mo follo toric​

The best conclusion to make based on the data is B The difference of the means is significant because the rerandomizations show that it is outside the range of what could happen by chance.

Given the details and dot plot, option B) is considered to be the most beneficial conclusion. This would imply that the difference between the means of fleas for two various treatment groups is not merely due to happenstance and is in fact statistically noteworthy.

Examining the randomizations further confirms that this deviation lies out of the expected parameter based on mere chance.

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The input value that corresponds to an output value of 15 is x = -1/3.

To find the input value (x) that corresponds to an output value of 15, we need to derive an equation:

15 = 60 / (3x + 5)

Multiplying both sides by (3x + 5), we get:

15(3x + 5) = 60

Expanding the left side, we get:

45x + 75 = 60

Subtracting 75 from both sides, we get:

45x = -15

Dividing both sides by 45, we get:

x = -1/3

Therefore, the input value that corresponds to an output value of 15 is x = -1/3.

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Answer:

(-11,8)

Step-by-step explanation:

To find the coordinates of the fourth corner of the rectangular city block, we need to use the fact that opposite sides of a rectangle are parallel and equal in length.

Let's start by finding the length of one of the sides of the rectangle. We can use the distance formula for that:

d = sqrt((x2 - x1)^2 + (y2 - y1)^2)

For example, if we want to find the length of the side between (2,2) and (2,-4), we have:

d = sqrt((2 - 2)^2 + (-4 - 2)^2) = sqrt(6^2) = 6

We can also see from the given coordinates that the sides of the rectangle are parallel to the x or y axis, which means that their lengths are simply the difference between the corresponding x or y coordinates.

So now we know that the length of the sides of the rectangle are both 6 units. The missing corner must be positioned 6 units away from the given point (-5,-4) along the x-axis, since the fourth side of the rectangle is parallel to the x-axis. Therefore, its x-coordinate is -5 - 6 = -11.

Similarly, the fourth corner must be positioned 6 units away from the given point (2,2) along the y-axis, since the fourth side of the rectangle is parallel to the y-axis. Therefore, its y-coordinate is 2 + 6 = 8.

Therefore, the coordinates of the fourth corner are (-11, 8).

Answer:

180 cmStep-by-step explanation:

The angle of Z is 63.2 degree.

The word isosceles comes from the Ancient Greek term isosceles which literally means "equal-legged." An isosceles triangle has two of its sides of equal length, which means that the angles opposite these sides would also be of equal measure.

In Triangle ΔXYZ,

∠Y = 83°, XY = 9 and XZ = 10

To find the angle of Z

Using Sine rule :-  sine rule relates the sine of each angle to length of        opposite side.

[tex]\frac{Sin A}{a} =\frac{SinB}{b} =\frac{SinC}{c}[/tex]

Where, A, B , C are the angles of the triangles and a, b, c are the side of the triangles

Then, Apply it:

[tex]\frac{Sin83}{10}=\frac{SinZ}{9}[/tex]

Using cross multiplication:-

Sin 83 × 9 = Sin Z × 10

Sin Z = (Sin 83 × 9)/10

Sin Z = 0.893

∠Z = [tex]Sin^-^1(0.893)[/tex]

∠Z =  63.2°

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Being male and preferring Brand A are independent, as:

P(male|Brand A) = P(male).

A probability is calculated as the division of the desired number of outcomes by the total number of outcomes in the context of a problem/experiment.

From the table, we are already given the relative frequencies, hence we must simply identify the desired outcomes and the probability of being male is given as follows:

0.5 + 0.15 = 0.65.

The conditional probability of being male, given that the person prefers brand A, is given as follows:

P(male|Brand A) = P(male and Brand A)/P(Brand A) = 0.5/0.8 =  0.625.

As the probabilities are equal, the events are independent.

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The answers to the box plot are given as follow;

1) the highest level of snow fall was 50inches. This is the maximum value on the plot
2) The data is most concentrated in the 3rd quarter. More cities has snow fall closer to 40 inches than to 13 inches.

3) the data is most spread all over the 4th quarter.

1) As per the data depicted in a box plot, it can be inferred that no urban center witnesses snowfall exceeding 50 inches.

2) The highest point on this chart supports this observation.

Furthermore, an overwhelming number of cities seem to report moderate levels of snowfall between 13-40 inches as indicated by most of these values lying within that particular section.

To buttress my argument further, I would note how close to its top edge is located the median line for this section. It is apparent that the data exhibits the highest degree of variability during the final quarter, signifying the top 25% of values.

The elongated vertical line extending from the upper end of the box up to the maximum value, which reaches 50 inches, is considerably lengthier than its counterpart at the bottom concluding with a minimum value of 5 inches.

This suggests that there is a greater disparity among snowfall measurements among cities receiving copious amounts.

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All the points of the vertices are in the shaded region

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

s ≤ 10 - 0.5t

s ≥ 5 - t

s ≤ 20 - t

s ≥ 0

t ≥ 0

Next, we plot the graphs of the above inequalities

In the graph, we can see that all the points are in the shaded region

Hence, none of the points is not one of the vertices (s, t) of the shaded region

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The measure of the diameter x for the circle is 18.6 units.

A circle is a geometric shape consisting of all points in a plane that are equidistant from a fixed point called the centre. A circle is defined by its radius, which is the distance from the centre to any point on the circle, or by its diameter, which is the distance across the circle passing through the centre and connecting two points on the opposite sides of the circle.

The diameter of a circle is a line segment that passes through the centre of the circle and connects two points on the opposite sides of the circle. The diameter is twice the length of the radius of the circle, and it is often used to express the size or scale of the circle.

The diameter of the circle will be calculated as,

x = 2 ( 3.2 + 6.1)

x = 2 ( 9.3)

x = 18.6 units

Hence, the diameter is 18.6 units.

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Answer:

A golden rectangle is a rectangle whose length and width are in the golden ratio, which is approximately 1.618. This means that if one side of the rectangle is x, then the other side is approximately 1.618x.

In this case, we know that one side of the rectangle is 0.82 centimeters. To find the length of the other side, we can multiply this value by the golden ratio:

1.618 × 0.82 ≈ 1.327

Therefore, the length of the other side of the rectangle is approximately 1.327 centimeters.

Answer:

[tex](4 \times {10}^{4} ) \times (2.5 \times {10}^{6} )[/tex]

[tex] = 10 \times {10}^{10} = {10}^{11} [/tex]

The value of x is 2√14 mi

Pythagoras theorem states that the sum of the squares on the legs of a right triangle is equal to the square on the hypotenuse.

Therefore, if a and b are the legs of the triangle and c is the hypotenuse, then

c² = a²+b²

here, x and 5 are the legs and 9 is the hypotenuse of the triangle.

therefore;

x² = 9²-5²

x² = 81-25

x² = 56

x = √56

x = √4×14

x = 2√14

Therefore the value of the Missing side is 2√14 mi

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The approximate population density of Monaco in persons per square mile in 1999 was 42,666.67.

To calculate the population density of Monaco in persons per square mile, we need to divide the population of Monaco by the area of the country in square miles.

First, we need to convert the area of Monaco from square miles to square feet because the population figure is in persons per square mile.

1 square mile = 5280 feet × 5280 feet = 27,878,400 square feet

So, the area of Monaco in square feet is approximately:

(3/4) × 27,878,400 = 20,908,800 square feet

Now, we can calculate the population density in persons per square mile:

Population density = Population / Area

Population density = 32,000 / (20,908,800 / 27,878,400)

Population density = 32,000 / 0.75

Population density = 42,666.67 persons per square mile (rounded to two decimal places)

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The practical use of the confidence interval will be C. The confidence interval can be used to estimate that, with 90% confidence, the interval from true mean DNA base of all people

CI = 2.7 ± 1.645 * (1.0801/√10) ≈ (1.4, 4.0)

Therefore, the 90% confidence interval for the population mean µ is (1.4, 4.0).

The efficacy of confidence intervals lies in their aptitude to determine the probable range of values wherein the authentic populace mean probably resides, with a provided level of assurance. Consequently, we can assert with 90% sureness that the true population mean of DNA bases are likely to rest between 1.4 and 4.0.

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Answer:

Step-by-step explanation:5.7

Answer:

you can make 12 cans of them

Answer:

Let x be the number of additional outfits.

5 + x < 11

The values of the products of the given fractions are 4 and 1 11/16.

Given are fractions we need to divide them,

We know that the in dividing the fraction we just flip the second fraction and change the sign of division by the sign of multiplication,

Here we will use the same concept,

1) 4/5 ÷ 1/5

Flipping the second fraction, and changing the sign of division by the sign of multiplication,

4/5 ÷ 1/5

= 4/5 × 5/1

= 20/5

= 4

Similarly,

2) 2 1/4 ÷ 1 1/3

Here the fractions are given in mixed form, firstly we will change them into proper fractions, then apply the same concept as above,

2 1/4 ÷ 1 1/3

= 9/4 ÷ 4/3

= 9/4 × 3/4

= 27/16

= 1 11/16

Hence the values of the products of the given fractions are 4 and 1 11/16.

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The slope intercept form of the given equation is,

y = 5x - 1/4

Given an equation of a line as,

5x - y = 1/4

We have to write the equation of the line in slope intercept form.

Equation of the line in slope intercept form is,

y = mx + c

Here m is the slope and c is the y intercept.

Rearranging the given equation,

5x = y + 1/4

5x - 1/4 = y

or,

y = 5x - 1/4

Hence the slope intercept form is y = 5x - 1/4.

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Using proportions, it is found that you need 900 quarts of brown stock to make the servings of mushroom gravy.

We know that;

A proportion is a fraction of a total amount, and the measures are related using a rule of three.

Now, In this problem,

Each serving takes 75 cups of brown stock is,

= 75/4

= 18.75 quarts.

So, 48 servings will be made,

hence the number of quarts is given by:

n x Q = 48 x 18.75

= 900 quarts.

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The image of A after a reflection using the y-axis is (-2, -1).

Given that, the coordinate of point A is (2, -1).

The image of A after a translation 2 units to the right.

Translation rules:

When the shape is moved towards the right by k units, then replace x with x + k.

Here, (2+2, -1)=(4, -1)

The image of A after a reflection using the y-axis.

The reflection of point (x, y) across the y-axis is (-x, y).

So, the image of point A is (-2, -1)

The image of A after a rotation of 180° using center (0, 0)

Rule: (x, y) becomes (-y, x)

So, the image of point A is (1, 2)

Therefore, the image of A after a reflection using the y-axis is (-2, -1).

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By selecting 100 inhabitants who pay real estate tax, using the town's list of taxpayers and a random number generator, Option D offers an arbitrary population sample.

This approach guarantees that each taxpayer has an equal likelihood of being chosen for the study, resulting in a diversified sample representation.

Conversely, the other options have possible biases or restrictions; like surveying solely soccer player's guardians might narrow it down to one particular group or only conducting them in designated areas could lead to misrepresentation within the frame of the entire general opinion poll.

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The multiplication of the given two matrices A and B gives,

AB = [tex]\left[\begin{array}{ccc}-9&0\\9&9\end{array}\right][/tex]

Given two matrices,

A = [tex]\left[\begin{array}{ccc}1&3&-1\\3&0&3\end{array}\right][/tex] and B = [tex]\left[\begin{array}{ccc}3&0\\-4&1\\0&3\end{array}\right][/tex]

We have to find the product of these matrices.

We have to multiply each row of A with each column of B.3

(AB)₁₁ = (1 × 3) + (3 × -4) + (-1 × 0) = -9

(AB)₁₂ = (1 × 0) + (3 × 1) + (-1 × 3) = 0

(AB)₂₁ = (3 × 3) + (0 × -4) + (3 × 0) = 9

(AB)₂₂ = (3 × 0) + (0 × 1) + (3 × 3) = 9

Hence the product is,

AB = [tex]\left[\begin{array}{ccc}-9&0\\9&9\end{array}\right][/tex]

Hence the product is AB = [tex]\left[\begin{array}{ccc}-9&0\\9&9\end{array}\right][/tex].

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The requried, correct statment is shown below,

B) The report accurately states the results because a mean score of 3.2 is greater than the predicted average of 3 on the statement regarding prioritizing free time.

C) The report does not accurately interpret the result of the statement regarding prioritizing free time.

D) The report of the study should state that there is a strong correlation between participation in sports and the ability to prioritize free time rather than make a broad conclusion.

Statement A is not true as it suggests a specific sampling method is necessary for accuracy, which is not necessarily the case. The study can still be accurate if the sample is randomly selected and sufficiently large.

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To simplify the expression 2/(x-1) - x/(x^2+1) - 1/(x+1), we need to find a common denominator for all three terms.

The common denominator for the three terms is (x-1)(x^2+1)(x+1). We can rewrite each term using this denominator as follows:

2/(x-1) = 2*(x^2+1)*(x+1) / [(x-1)(x^2+1)(x+1)]

x/(x^2+1) = x*(x-1)*(x+1) / [(x-1)(x^2+1)(x+1)]

1/(x+1) = (x^2+1) / [(x-1)(x^2+1)(x+1)]

Now, we can combine the three terms by subtracting the second and third terms from the first, and simplify as follows:

2*(x^2+1)*(x+1) / [(x-1)(x^2+1)(x+1)] - x*(x-1)*(x+1) / [(x-1)(x^2+1)(x+1)] - (x^2+1) / [(x-1)(x^2+1)(x+1)]

= [2*(x^2+1)*(x+1) - x*(x-1)*(x+1) - (x^2+1)] / [(x-1)(x^2+1)(x+1)]

= [2x^3 + 2x - x^3 + x^2 - x^2 - 1] / [(x-1)(x^2+1)(x+1)]

= (x^3 + 2x - 1) / [(x-1)(x^2+1)(x+1)]

Therefore, the simplified expression is (x^3 + 2x - 1) / [(x-1)(x^2+1)(x+1)].

Answer:

V=1/3*pi*radius(to the power of two)*height

Answer: 14 in squared

The point (-4, -3) after the reflection across the y-axis and z-axis will be (-4, 3).

Given that:

Point, N(-4, -3)

A point's x-coordinate gets negated but its y-coordinate stays the same when it is reflected across the y-axis. Thus, the point N'(4, -3) would be produced by reflecting point N(-4, -3) across the y-axis.

A point's y-coordinate is negated but its x-coordinate remains unchanged when it is reflected across the z-axis. Thus, the point N"(-4, 3) would be produced by reflecting N'(4, -3) across the z-axis.

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The  volume of rectangular prism is 90 unit³.

We can consider the 1 block = 1 unit.

Length of prism = 5 unit

width of prism = 6 unit

Height of prism = 3 unit

So, Volume of rectangular prism

= l w h

= 5 x 6 x 3

= 90 unit³

Thus, the volume of rectangular prism is 90 unit³.

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Two years ago, an investment of R1 500000 has increased to R1 700000 and has delivered R40 000 worth of dividends over the two years. Then the return on investment would be 16%.

We can use the following formula to calculate ROI:

ROI = (gain from investment - cost of investment) / cost of investment

where, gain from investment is the total value of the investment (including dividends), and cost of investment is the initial investment.

Using the values given in the question, we can calculate the ROI as:

ROI = ((R1,700,000 + R40,000) - R1,500,000) / R1,500,000 = R240,000 / R1,500,000

ROI = 0.16 or 16%

Therefore, the return on the investment is 16%.

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Answer:

A= 7

B= 4

C= 10

D= 0

E= 13

answers in attachment below