Probabilities associated with events A and B are shown in the Venn Diagram

9. Expression matches with option C: log3 12.
10. Expression matches with option D: log3 36.
11. Expression matches with option A: log3 64.
12. Expression matches with option C: log3 12.

To match the expression with the logarithm that has the same value, we need to simplify each expression and rewrite it

in the form of log3 x.

9. log3 6 + log3 2 = log3 (6 × 2) = log3 12.

Therefore, the expression matches with option C: log3 12.

10. [tex]2 log36 = log36^2 = log3 (6^2)^2 = log3 36.[/tex]

Therefore, the expression matches with option D: log3 36.

11. [tex]6 log32 = log32^6 = log3 (2^5)^6 = log3 2^30.[/tex]

Therefore, the expression matches with option A: log3 64.

12. log3 6 + log3 2 = log3 (6 × 2) = log3 12.

Therefore, the expression matches with option C: log3 12.
In summary:
9. Expression matches with option C: log3 12.

10. Expression matches with option D: log3 36.

11. Expression matches with option A: log3 64.

12. Expression matches with option C: log3 12.

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The triangle with angle measures of 30°, 60°, and 90° is a special type of right triangle called a "30-60-90 triangle"

The triangle with angle measures of 45°, 45°, and 90° is another special type of right triangle called an "isosceles right triangle".

The triangle with angle measures of 30°, 60°, and 90° is a special type of right triangle called a "30-60-90 triangle". In this type of triangle, the smallest angle is 30°, the second angle is 60°, and the largest angle is always 90°.

The triangle with angle measures of 45°, 45°, and 90° is another special type of right triangle called an "isosceles right triangle". In this type of triangle, both of the smaller angles are equal and are always 45°, while the largest angle is always 90°.

However, if a triangle has a 90° angle, but the other angle measures cannot be determined, then there are many different possibilities for the triangle's other two angles. For example, one possible set of angles for such a triangle is 30°, 60°, and 90° (as in the first example), but there are many other sets of angles that could also work. Therefore, without additional information, we cannot determine the other angle measures of the triangle.

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I hope this solution helps you.

The area of the trapezoid by decomposing it into other shapes is 55 sq. cm.

A quadrilateral with at least one set of parallel sides is known as a trapezium. The trapezoid's other two sides are referred to as its legs, and its parallel sides are known as its bases. The distance between the bases of a trapezium measured perpendicularly is its height. By multiplying the average of the bases (the total of the bases divided by 2) by the height, one may get the area of a trapezium. A = (b1 + b2)h/2, where b1 and b2 are the lengths of the bases and h is the height, is the formula for a trapezoid's surface area.

The trapezoid can be divided into one right angles triangle and a trapezium.

The area of the triangle is given as:

A1 = 1/2 bh

A1 = 1/2(5)(4)

A1 = 10 sq. cm.

Now, the area of trapezium is given as:

A2 = 1/2 h (a + b)

Here, a = 12, b = 15 - 5 = 10, and h = 4.

A2 = 1/2 (4) (12 + 10)

A2 = 2(22) = 44 sq. cm

The total area of the trapezoid is:

A = A1 + A2

A = 10 + 44

A = 55 sq. cm.

Hence, the area of the trapezoid by decomposing it into other shapes is 55 sq. cm.

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The order of operations that should be completed first to find the value of given expression 12+30÷(6-3)+1 is (6-3) which is option-B

What is the correct order of operations?

To solve any given expression the rule applied is PEMDAS or the BODMAS . PEMDAS acronym for-

P indicates the parentheses that are the brackets to be solved first in an expression.

E which indicates exponents or powers to be solved.

M refers to Multiplication

D refers to divide

A refers to add

S indicates subraction

BODMAS is similar to PEMDAS whose sequence of solving stands for

B- brackets

O-Order/Of

D-Divide

M-Multiply

A-Add

S-Subtract

Here in the given expression: 12+30÷(6-3)+1 , the order would be

=12+30÷(6-3)+1

=12 + 30 ÷ (3) + 1 { brackets/parentheses}

= 12 + 30 ÷ 3 + 1

=12 + 10 + 1  {divide}

=23

∴ the first operation was to solve brackets/parentheses (6-3)

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Refer to the attachment below for complete question.

The statement describes a set of interest in a study, which is the set of all elements being investigated or under consideration. It is not a sample, which refers to a subset of the population being studied.

The set of all elements of interest in a study is called the population. It refers to the entire group of individuals, objects, or measurements that are being studied and from which data can be collected. The population can be finite or infinite and can include people, animals, plants, materials, or any other object or concept of interest. In statistical analysis, researchers use samples of the population to make inferences or draw conclusions about the entire population. By selecting a representative sample, researchers can reduce the cost and time required for data collection and analysis while still obtaining valid and reliable results.

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Answer:

Kelli is close to the truth if one considers that the approximation of 118.81 is equal to 118

Step-by-step explanation:

Area of a square = side²

Then:

let´s see if:

118 = 10.9²

10.9² = 10.9 * 10,9 = 118.81

118 is approximately equal to 118.81

Fractions and percentages are different ways of representing the same value.

A percentage is simply another way of writing a fraction with a denominator of 100. For example, 25% is equivalent to the fraction 25/100 or the reduced fraction 1/4. Similarly, 75% is equivalent to 75/100, which can be reduced to 3/4.

When comparing fractions and percentages, it's important to remember that they represent the same value, but they are expressed in different ways. Fractions are typically used when dealing with ratios or proportions, while percentages are used to express a part of a whole in terms of hundredths.

For example, if you have 6 out of 10 apples, you can express this as a fraction (6/10) or as a percentage (60%). Both the fraction and the percentage represent the same value: 6 out of 10 or 60 out of 100.

To compare fractions and percentages, you can convert between them if necessary using the fact that 1% is equivalent to 1/100. Otherwise, you can use whichever representation is most appropriate for the context of the problem you are trying to solve.

With Scaling Factor = 1/2,  the coordinate location of the dilated point C' is (2, -3).

What exactly is scaling factor?

In mathematics, a scaling factor is a ratio that describes how much a figure or object has been enlarged or reduced in size. A scaling factor is typically expressed as a fraction or decimal that represents the relative change in size between the original figure and the new, scaled figure.

Now,

To find the coordinate location of the dilated point C', we can use the following formula:

C' = (1 - k) * C + k * A

where:

C is the original point (3, -1)

A is the center of dilation (1, -5)

k is the scaling factor (1/2)

then,

C' = (1 - 1/2) * (3, -1) + (1/2) * (1, -5)

C' = (1/2) * (3, -1) + (1/2) * (1, -5)

C' = [(1/2) * 3 + (1/2) * 1, (1/2) * (-1) + (1/2) * (-5)]

C' = [(3/2) + (1/2), (-1/2) + (-5/2)]

C' = (2, -3)

Therefore, the coordinate location of the dilated point C' is (2, -3).

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The missing angle m∠U of the quadrilateral is calculated as:  117°

From the given quadrilateral, we see that the angle m∠R is given as 117°.

We also see that the sides TU and RS are congruent to each other. No, we know that the sum of angles of a quadrilateral is 360 degrees.

However, we see that since TU and RS are congruent, this can be likened to an isosceles trapezium and as such the angle m∠U must be equal to the angle m∠R.

Thus:

m∠R = m∠U  = 117°

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Notes:

Hi there,

I'm sorry, but I speak English. Also, I really just need the streak and points.

So sorry,

201600823

The expression that would best fit the situation is: "Andy descended five flights of stairs, and then ascended three floors."

What is Algebraic expression ?

An algebraic expression is a mathematical phrase that can contain variables, constants, and mathematical operations such as addition, subtraction, multiplication, division, and exponentiation. Algebraic expressions are used to represent and solve problems in many areas of mathematics, science, engineering, and finance.

Andy walked down five flights of stairs, and then he walked back up three floors.

The expression that would best fit the situation would be:

Andy descended five flights of stairs, and then ascended three floors.

Therefore, the expression that would best fit the situation is: "Andy descended five flights of stairs, and then ascended three floors."

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The numbers written in descending order are

a. To arrange the given numbers in descending order, we start with the largest number, which is 237 and, and then move on to the next smallest number, which is -327, and so on until we reach the smallest number, which is -723

This is repeated for the other set of numbers

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The volume of the cone is approximately 12π cubic feet

What is the volume of a cone?

[tex]V = \frac{1}{3} \pi {r}^{2}h[/tex] where r is the radius of the base and h is the height of the cone.

In this case, the base of the cone is a square with a side length of b = 4 ft. The radius of the base is half the length of a side of the square, so:

[tex]r = \frac{b}{2} = \frac{4}{2} = 2 \: ft[/tex]

The height of the cone is h = 9 ft.

Now we can substitute these values into the formula for the volume of a cone:

[tex]V = \frac{1}{3} \times \pi {r}^{2} h \\V = \frac{1}{3} \pi {2}^{2} \times 9 \\ V = \frac{1}{3}\pi \times 4 \times 9 \\ V = \frac{1}{3} \times \pi \times 36 \\ V = 12\pi[/tex]

So the volume of the cone is approximately 12π cubic feet.

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Answer:

[tex]14. \: \: \: m {}^{4} - 16 \\ = (m {}^{2} -4)(m {}^{2} + 4) \\ = (m - 2)(m + 2)(m {}^{2} + 4) \\15. \: \: \: x {}^{2} + 4xy + 4y {}^{2} - 4z {}^{2} \\ (x + 2y) {}^{2} - 4z {}^{2} \\ (x + 2y - 2z)(x + 2y + 2z) \\ 16. \: \: m {}^{4} + m {}^{2} - 12 \\ (m {}^{4} + 4m {}^{2} )( - 3m {}^{2} - 12) \\ m {}^{2} (m {}^{2} + 4) - 3(m {}^{2} + 4) \\ (m {}^{2} + 4)(m {}^{2} - 3) \\ [/tex]

There are two stiff transforms to use:

The fact that the real domain is the domain of quadratic functions makes it possible to identify the solution set.

Thus, we must decide which rigid transformations to apply to f(x) in order to produce g(x). Rigid transformations are transformations applied to geometric loci in the field of Euclidean geometry so that Euclidean distances within the latter are conserved (x).

Following thorough consideration, we come to the conclusion that the two stiff transformations listed below must be used:

Vertical translation 7 units to the plus side.

reflection along the y = 5 line.

The collection of x-values necessary for the function to exist is represented by the solution set.  Due to the fact that both functions are quadratic equations, the entire real domain is described by their solutions.

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The shaded area of the figure is equal to 297 square centimeters.

In this question we find a shaded figure, whose area can be found as a subtraction of the areas of two triangles from the area of a rectangle. The area formulas are defined below:

Rectangle

A = b · h

Triangle

A = 0.5 · b · h

Where:

Now we proceed to compute the shaded area:

A = (18 cm) · (22 cm) - 0.5 · (9 cm) · (13.2 cm) - 0.5 · (9 cm) · (8.8 cm)

A = 297 cm²

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Answer:

please what is your question

The expected value for each roll is [tex](1+2+3+4+5+6)/6 = 3.5.[/tex]

The average of Brandon's rolls, we simply add up all the results and divide by the number of rolls:
[tex](1+2+2+3+4+6+2+1+5+6+1+6+2+6+4+6+2+6+4+6)/20 = 3.6[/tex]
So the average of Brandon's rolls is 3.6.
Now we need to count how many times he rolled above the average. To do this, we simply count how many rolls were greater than 3.6:
4, 6, 5, 6, 6, 4, 6, 6, 4, 6, 6, 6, 4, 6, 6, 6, 4, 6, 4, 6
There were 18 rolls that were greater than 3.6, so Brandon rolled above the average 18 times.
In summary, Brandon rolled a six-sided die 20 times and recorded the results in a table. To find out how many times he rolled above the average, we first calculated the average roll to be 3.6. We then counted how many times he rolled above this value and found that he did so 18 times.

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Answer:

A one-sample t-confidence interval for means

Step-by-step explanation:

The appropriate statistical procedure to answer the research question in the heart rate scenario depends on the type of comparison being made. If the comparison is between two separate groups, a two-sample t-test or a two-sample t-confidence interval for means should be used.

However, if the comparison is within the same group, a one-sample t-test or a one-sample t-confidence interval for means would be appropriate. In the heart rate scenario, the research question is not clearly stated. However, assuming that the objective is to compare the heart rate of a group of individuals to a known population mean, a one-sample t-test or a one-sample t-confidence interval for means would be the appropriate statistical procedure.

The steps for a one-sample t-test are as follows: (1) State the null and alternative hypotheses, (2) Collect data and calculate the sample mean and sample standard deviation, (3) Calculate the t-value using the formula t = (sample mean - population mean) / (sample standard deviation / square root of sample size), (4) Determine the degrees of freedom, (5) Determine the p-value using a t-distribution table or a statistical software, (6) Compare the p-value to the significance level, and (7) Draw a conclusion based on the p-value and the significance level.

A one-sample t-confidence interval for means follows similar steps but instead of calculating a t-value, a confidence interval is calculated.

Therefore, to answer the research question in the heart rate scenario, a one-sample t-test or a one-sample t-confidence interval for means should be used.

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Choose the correct measurement of the paper clip to the nearest 1/8 inch

1 1/2 inch

7/8 inch

1 2/8 inch

1 4/8 inch

1 3/8 inch

None of the given options (A, B, C, or D) is a solution to sin x − cos 2x = 0 on the interval [0, 2π).

The solution of any trigonometric equation represents the value of the parameter which satisfies the given equation. The solution should lie within a given range and it should have the same value as ±π .

To find the solutions to sin x − cos 2x = 0 on the interval [0, 2π), we can start by using the identity cos 2x = 1 - 2sin² x, which gives:

sin x - (1 - 2sin² x) = 0

Simplifying this equation, we get:

2sin² x - sin x + 1 = 0

We can solve this quadratic equation using the quadratic formula:

sin x = [1 ± √(1 - 8)] / 4

sin x = [1 ± √(-7)] / 4

Since the square root of a negative number is not a real number, this equation has no real solutions. Therefore, none of the given options (A, B, C, or D) is a solution to sin x − cos 2x = 0 on the interval [0, 2π).

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Answer:

Option D

Step-by-step explanation:

'Height h’ is plotted on the y-axis, which has units of ft. 'Years after planning’ is plotted on the x-axis, which has units of yr.

Rate of change is denoted by the slope or gradient m  of the graph

m = [tex]\frac{Rise}{Run}[/tex]

Rise = Δy

       = Change along the y-axis

       = Difference in values along the y-axis

Run = Δx

       = Change along the x-axis

       = Difference in values along the x-axis

∴Rate of Change for this graph will have units of [tex]\frac{ft}{yr}[/tex]

The actual value can be calculated using coordinates of any two points along this graph

I used [tex](2, 7)[/tex] as [tex](x_{1} , y_{1})[/tex] and [tex](3, 9.5)[/tex] as [tex](x_{2} , y_{2})[/tex]:

m = [tex]\frac{y_{2} - y_{1}}{x_{2} -x_{1}}[/tex]

   = [tex]\frac{(9.5 - 7) ft}{(3 -2) yr}[/tex]

   = [tex]\frac{2.5ft}{1yr}[/tex]

∴ Rate of Change in tree’s height = 2.5 [tex]\frac{ft}{yr}[/tex]

∴ Option D

Answer: 282.6 [tex]cm^{2}[/tex]

Step-by-step explanation:

as the TSA of Cylinder is [tex]2\pi r[r+h][/tex] so here r = 3cm & h = 12cm so by putting values in the above formula we get the answer

The list with the smallest standard deviation is the following: 16, 12, 13, 16, 14, 15, 16, 14, 14, 13.

What is standard deviation?

Standard deviation is a statistical measure of the variability of a set of data values. It's a step-by-step process for determining how far each value is from the mean. It is important since it may reveal the amount of variability in a set of data. The formula for calculating standard deviation is as follows:

σ=√∑(x−μ)²nσ=√∑(x−μ)²n

In this equation, x represents the values in the data set, μ represents the mean of the data set, and n represents the number of values in the data set. Let us now compute the standard deviation of each of the given data sets, starting with the first one. We can utilize the formula given above to do so:

6, 19, 9, 18, 19, 9, 17, 18, 17, 15                        μ = 15.8,σ = 4.83 (rounded to two decimal places)

31, 30, 26, 28, 18, 28, 18, 21, 23, 32                μ = 25.5,σ = 5.93 (rounded to two decimal places)

20, 21, 20, 19, 25, 24, 19, 14, 21, 15                μ = 19.8,σ = 3.98 (rounded to two decimal places)

14, 20, 16, 14, 28, 13, 17, 21, 12, 22                μ = 17.7,σ = 4.96 (rounded to two decimal places)

16, 12, 13, 16, 14, 15, 16, 14, 14, 13                  μ = 14.3,σ = 1.96 (rounded to two decimal places)

The list with the smallest standard deviation is the following: 16, 12, 13, 16, 14, 15, 16, 14, 14, 13.

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The best graph to use to display this data of costs and quantity of books offered for sale in a bookstore is a scatter plot.

a. Since the data includes prices and the number of books sold at each price, a scatter plot would be the most appropriate type of graph for displaying this data. A scatter plot is used to show the relationship between two quantitative variables, where one variable is plotted on the x-axis and the other variable is plotted on the y-axis. In this case, we can plot the price of each book on the x-axis and the number of books sold at each price on the y-axis. This will allow us to see if there is a relationship between the price of the book and the number of books sold.

b. In the scatter plot, each point represents a different price and the corresponding number of books sold at that price. We can see that there is a negative relationship between price and the number of books sold - as the price increases, the number of books sold decreases. We can also see that there are a few outliers, such as the point at $5.00 where 39 books were sold and the point at $17.25 where 18 books were sold.

The complete question is:-

7. The table shows the prices and number of books sold in a bookstore.

a. Analyze and preserve. What type of graph is most appropriate for displaying this data? explain

b. Graph the data.

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The distance between P(3, 3) and Q(6.5, 11.75) is approximately 9.42 units.

We can use the distance formula to find the distance between two points in a coordinate plane. The distance formula is

where (x1, y1) and (x2, y2) are the coordinates of the two points, and d is the distance between them.

Using the given coordinates of points P and Q, we can find the distance between them as follows:

[tex]d = sqrt((6.5 - 3)^2 + (11.75 - 3)^2)[/tex]

= [tex]sqrt(3.5^2 + 8.75^2)[/tex]

= [tex]sqrt(12.25 + 76.5625)[/tex]

= [tex]sqrt(88.8125)[/tex]

≈[tex]9.42[/tex]

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The drive-thru that  is able to estimate their wait time more consistently and why is: A. Burger Quick, because it has a smaller IQR.

The IQR is a measure of the spread of the middle 50% of the data, and is calculated as the difference between the third quartile (Q3) and the first quartile (Q1). A smaller IQR indicates that the data is less spread out around the median, and therefore more consistent.

In this case, the IQR for Super Fast Food is 15.5 - 12 = 3.5, while the IQR for Burger Quick is 24 - 15.5 = 8.5. Therefore, Burger Quick has a larger range (24 - 2 = 22) than Super Fast Food (27 - 3 = 24), but a smaller IQR, indicating that their wait time estimates are more consistent.

Therefore Quick is able to estimate their wait time more consistently because it has a smaller interquartile range (IQR).

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The domain and range of this square root function y = 5/2√(-5x + 1) - 87 are as follows;

Domain = {x|x ≤ 1/5}.

Range = {y|y ≥ -87}.

The domain and range of this square root function y = -315√(11x - 3) - 15/88 are as follows;

Domain = {x|x ≥ 3/11}.

Range = {y|y ≤ -15/88}.

In Mathematics and Geometry, a domain refers to the set of all real numbers for which a particular function is defined.

Additionally, the vertical extent of any graph of a function represents all range values and they are always read and written from smaller to larger numerical values, and from the bottom of the graph to the top.

By critically observing the graph shown in the image attached below for the given square root function y = 5/2√(-5x + 1) - 87 and y = -315√(11x - 3) - 15/88, we can reasonably and logically deduce the following domain and range:

Domain = {-∞, 1/5} or {x|x ≤ 1/5}.

Range = {-87, ∞} or {y|y ≥ -87}.

Domain = {3/11, ∞} or {x|x ≥ 3/11}.

Range = {-∞, -15/88} or {y|y ≤ -15/88}.

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